Owner’s manual
Model
4CH DIGITAL MIXER WITH DSP EFFECTS
Introduction
Thank you very much for having purchased the Fostex VM04.
This unit is a digital mini-mixer so the internal signal processing is all done digitally.
Its input section consists of four analog input channels including two that can take a
microphone. The output section, in addition to normal analog outputs like two channel
stereo outputs and a headphone output, also has an S/P DIF digital output via an optical
format with a 44.1kHz sampling frequency and a 20 bit resolution.
Its internal Buss consists of a two channel Stereo L/R and also an independent Effect Buss.
The VM04 also incorporates an internal high quality digital effect (1in/ 2out) employing
the A. S. P. (Fostex Advanced Signal Processing Technology)*, which is newly developed by
Fostex. It can provide a wide variety of Effect sounds. You can also store all the mix settings
you have made in the Scene Memories and recall them instantly.
The VM04 is a light and compact piece of precision sound technology which offers high
quality sound performance and considerable scope for experimentation.
To fully exploit all of its many useful features and functions, we recommend you read this
manual first before you start using the VM04.
* See page 18 for more details of the A. S. P. (Fostex Advanced Signal Processing Technology).
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VM04 Owner’s manual
Precautions (please read before use)
Table of Contents
Power supply
Precautions..............................................................................3
* When unplugging the AC adaptor from the outlet,
be sure to grasp the adaptor. Attempting to unplug
it by pulling on the AC cable may damage the
wiring.
Let’s examine the VM04 in more detail...........................4
1. Input Section................................................................5
2. Buss Section..................................................................6
3. Master Section.............................................................6
4. Effect Section................................................................7
* It is dangerous to use any power cable that is cut
or frayed. If the power cable is damaged,
immediately stop using it, and have it repaired.
1. Names and Functions...................................................8
* Do not plug in or unplug the AC adaptor with wet
hands. Doing so may result in dangerous electric
shock.
2. Before Use.....................................................................10
2-1. Remove the insulation paper.............................10
2-2. Caution when powering ON...............................10
2-3. Reset........................................................................10
2-4. Internal battery for the memory back up........10
* Do not open the unit or touch any parts inside.
Doing so may result in a dangerous electric shock,
and could damage the unit.
3.Applications...................................................................11
4. InitialSetting..................................................................13
5. Normal Mix Mode.........................................................14
* Do not let water or other liquids, flammable
materials, or metal objects such as pins get inside
the unit. These things may cause electrical shock
or short circuit the VM04, and damage it.
If the VM04 should become wet, unplug the AC
adaptor from the AC outlet, and contact your
authorized service station.
6. ChannelEditMode.......................................................15
6-1. PAN setting.............................................................15
6-2. EQ Lo setting...........................................................16
6-3. EQ Hi settint............................................................16
6-4. EFFECT SEND setting............................................17
6-5. EFFECT POST/PRE setting...................................17
Location
* Avoid using the VM04 in the following locations:
* Locations of extreme low or high temperatures, or
extreme changes in temperature.
7. EffectMode....................................................................18
7-1. EFFECT TYPE setting.............................................19
7-2. EFFECT PARAMETER setting...............................20
Reverb Level setting.................................................21
Reverb Time setting.................................................21
Pre-Delay Time setting............................................21
High Dump setting...................................................21
Early Reflection Balance setting.............................22
* Locations with excessive moisture or dust.
* Locations where direct sunlight falls for an
extended time, or near a stove or other source of
heat.
* Locations where electrical voltage varies.
* Unstable locations or where there is heavy
vibration.
8. Scene Memory..............................................................22
8-1. Scene Store.............................................................22
8-2. Scene Recall............................................................23
8-3. Fader Adjust mode...............................................24
8-4. Scene Direct Recall................................................24
* Near strong magnetic fields (on top of a television
or speaker).
9. SETUP Mode.................................................................25
10. Other Modes...............................................................26
10-1. Software Version Check....................................26
10-2. Battery Check......................................................26
Specifications..............................................................................27
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VM04 Owner’s manual
Let’s examine the VM04 in more detail.
The basic rationale of an audio mixer is to be able to add more than two sounds together. The size
of the mixer depends on the number of input and output channels it has, but the mixer’s role
remains basically the same. There are various types of mixers depending on their purposes, e.g.,
recording mixers and P.A. mixers (Public Address system for live performances). These mixers have
some additional features for the convenience of their practical use. For instance, the recording mixer
has a Recorder IN socket in each input channel to cater for the audio mixing reproduction of the
Multi Track Recorder. There are also large P.A. mixers which have sub Master sections so that the
different mixing can be sent to various different monitor systems at the same time. The VM04 can
adapt to both type of mixers. It can also be used as a sub mixer in large systems as you can see from
the Application sections in the manual.
As far as the size is concerned, the VM04 is a very compact audio mixer with a capacity of 4 in/2
out (4 channel audio can be mixed into 2 channel stereo buss). Although small, it has the beauty of
a digital mixer in the high sound quality available and the variety of functions it can perform. The
unit has a Stereo output via a pair of phone jacks as well as an optical S/P DIF digital output. The S/
P DIF ( Sony Philips Digital Interface) is the standard digital audio signal. And the VM04 is capable of
transferring the mixed audio signal in digital to other digital equipment like the Fostex D-5 DAT
recorder. The digital audio signal that the VM04 handles is a 44.1kHz sampling frequency, which is
common to the audio CD and 20 bit resolution of the AD/DA conversion( Analog to Digital and
Digital to Analog conversion). This is superior to the 16 bit audio CD. The VM04 also uses a 24 bit
resolution in its internal buss for the audio mixing process so that the sound deterioration is kept to
a minimum.
The VM04 incorporates the newly developed high quality digital Effect inside its light and compact
body. This means you can enjoy mixing audio with a variety of sound effects without using an
external Effect unit and awkward connections.
A block diagram is always available in an audio mixer manual. The most efficient way to use an
audio mixer is to get familiar with the block diagram. How to read the block diagram is always the
same, however big the mixer size is. There are many professional sound engineers who can do the
task by just reading the block diagram. Take note of the importance of the block diagram.
L
R
EFFECT
CH1
METER
MASTER
100Hz
S/P DIF OUT
10kHz
A/D
A/D
A/D
A/D
INPUT 1
PAN
(-10dBV~-50dBV)
FADER
FADER
FADER
FADER
D/A
D/A
L
R
OUTPUT
(-10dBV)
TRIM
LO
HI
MASTER FADER
EFFECT
SEND
PHONES
PRE/POST
PRE/POST
PRE/POST
PRE/POST
METER
PHONES
CH2
METER
100Hz
10kHz
INPUT 2
(-10dBV~-50dBV)
PAN
EFFECT
TRIM
LO
HI
EFFECT
EFFECT
SEND
CH3
METER
100Hz
10kHz
INPUT 3
(-10dBV)
PAN
LO
HI
EFFECT
SEND
CH4
METER
100Hz
10kHz
INPUT 4
(-10dBV)
PAN
LO
HI
EFFECT
SEND
4
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VM04 Owner’s manual
1. Input Section
As Channel 1 and 2 are identical in the VM04, let’s take Channel 1 as an example. In the VM04
block diagram, the input is on the left and output is on the right, i.e., the audio signal goes from left
to right. First, look below where it says INPUT 1. You will see (-10dBV~-50dBV) written there. This
is the signal voltage level that the input phone jack terminal can take. It is a range of voltage from as
low as a microphone (-50dBV) to line level (-10dBV). The sound source that has line level is an
ordinary Keyboard, CD player or electric guitar with pre amp.
CH1
METER
100Hz
10kHz
A/D
INPUT 1
PAN
(-10dBV~-50dBV)
FADER
TRIM
LO
HI
EFFECT
SEND
PRE/POST
The next point on the diagram is a triangle, which is directing the signal towards the right. It is a
kind of amp sometimes called a “buffer”. Underneath the triangle, there is a circle with an arrow
with TRIM written below it. This is the input gain adjust TRIM pot on the rear panel. This TRIM will
adjust the gain to adapt a wide range of incoming signals. The TRIM is for lifting up the level of the
low voltage input so that the MIC level audio and Line level audio can be handled equally at the
INPUT FADER. If you turn the TRIM pot clockwise, the gain will increase to accommodate the low
signal level.
A rectangle with A/D written in it follows. This is the circuit for converting the analog signal into
digital. From this point, the audio signal will be processed digitally until it is converted back again in
the D/A which is discussed later. The analog audio signal is converted to a 44.1kHz, 20 bit digital
audio signal because the VM04 undertakes all its mixing and operates all its controls in digital.
At the next point on the diagram, there is an arrow pointing upwards and to the right and labeled
METER. The VM04 extracts the signal level at this point and displays it in the Channel 1 level meter
on the LCD Display (Liquid Crystal Display). This point is sometimes called Pre-Fader or Pre-EQ.
Move on to the next section (EQ). You will see a rectangle labeled “>100Hz” and “<10kHz”. There
are controls for LO and HI underneath the rectangle. These are the Shelving Type Equalizations.
You can adjust the Bass tone below 100Hz using the LO EQ and the Treble tone above 10kHz using
the HI EQ. The VM04 controls these EQ’s by entering the CHANNEL EDIT MODE. There is no
independent control POT available unlike an analog mixer.
After the EQ, you will see a rectangle and arrow labeled FADER. This is the INPUT FADER to adjust
the audio level on the channel. There is one FADER for each channel and they are slide POTs so that
you can move them up and down to control the volume of each channel.
Now, we need to talk about the relationship between the TRIM function mentioned above and the
FADER. The TRIM is for adjusting the gain so that the input can take a wide range of signal voltages
from MIC to Line level. In other words, the TRIM aligns the various different incoming signals from
various sound sources, so that they become more or less the same level before reaching the FADER.
This is to make the mixing easier.
For example, if you had a design of mixer that had no TRIM function, but the INPUT FADER had a
very wide adjustment range, then, to make a well balanced mix, the microphone channel might have
to have the FADER extremely high, while the keyboard channel might have to have the FADER very
low. This would make mixing the sounds together very awkward. The TRIM enables you to handle
differing sound sources as though they are at the same level on the INPUT FADER.
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VM04 Owner’s manual
Before and after the FADER, there are two lines pointing downwards and to the right. These are
the selector switches. In the diagram the line after the FADER has an arrow touching it. The line
before the FADER is labeled PRE. The line after the FADER is labeled POST. With these switches, you
can decide whether to send the audio signal to the internal EFFECT either before or after the FADER.
If you choose “PRE”, the audio will be sent to the EFFECT even if you turn down the FADER. As a
result only the Effect sound will go out via the STEREO OUT without the dry source sound (i.e., the
original raw sound, vocal or instrumental). If you choose “POST”, the INPUT FADER will control the
entire audio level including the Effect sound. The VM04 does not have dedicated switches for this
purpose, but you select it by entering the CHANNEL EDIT mode.
If you look at the second line after the FADER, you will see that the base of arrow touching it is
connected to the EFFECT SEND volume control. This control adjusts the audio level to be sent to the
EFFECT in each channel. This control is not available on the VM04 control panel, but you can set it
by entering the CHANNEL EDIT mode.
The final part of the INPUT section is labeled “PAN”. With this control, you can individually allocate
the audio signal to either the left or the right of the stereo, e.g., the keyboard will be in the right while
the guitar will be in the left. The PAN control is also not available on the VM04 control panel. But
you can set it by entering the CHANNEL EDIT mode.
We said that the channel 2 input is exactly the same as the channel 1. So what about channels 3
and 4? They have the same structure as Channels 1 and 2 except the TRIM part has been deleted.
INPUTs 3 and 4 are labeled (-10dBV) . This means they can only take the Line level audio signal. You
cannot directly connect a microphone to INPUTs 3 and 4 as the MIC level is too low for them.
2. Buss Section
To the right of Channels 1,2,3 and 4 on the block diagram, you will see three vertical lines. These
are the Buss lines. They are the main audio signal streams which flow between the input and output
sections. In the VM04 there are two Buss lines for STEREO L/R and another one for the Effect Buss.
You can see these labeled in the block diagram. The audio signal assigned to the PAN control is
known as the stereo signal. It will go to both L and R Buss lines. The signal level adjusted by the
EFFECT SEND will go to the Effect Buss line. All four channel input signals will go to these Buss lines
after the INPUT section.
L
R
EFFECT
MASTER
PAN
MASTER FADER
EFFECT
SEND
POST
3. Master Section
The audio signal that has come through the L/R Buss lines will now go to the Master section. As
they are already divided into two channel stereo, the signal from this point will be handled as two
channels together at once. So the parts discussed in the Master section consist of two channels in a
pair. At the beginning of the MASTER section, there are two rectangles bisected with an arrow and
labeled “MASTER FADER”. The MASTER FADER can control both L/R channel audio at the same
time.
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After the MASTER FADER, there are two arrows pointing downwards and to the right labeled
“METER”. The VM04 will extract the signal level at this point and display it in the LCD Display L/R
level meters. In the opposite direction, upwards and to the right, there are two lines leading to the
S/P DIF output square. This square sends out the digital signal via the optical output. The digital
signal for the VM04 output is a 44.1kHz, 20 bit signal.
Next in line are two rectangles labeled D/A. These will convert the digital audio signal back to
Analog. After the D/A rectangles, you will see two sets of triangles pointing to the right. These direct
the signal flow and are kinds of amps (buffers). These refine the analog audio signal for the STEREO
OUT L/R. The STEREO OUT L/R has (-10dBV) written below it. This means that the output line level
of the VM04 is (-10dBV).
If you look after the D/A rectangles again, you will see two lines moving downwards to the right.
These connect with two circles bisected with an arrow. They are the Headphone amps and Headphone
level volume controls. This is the VM04’s monitor section. Some large mixers may have a selector
switch so that it is possible to choose which part of the signal flow will be monitored. In the case of
the VM04, the monitor output will always send exactly the same signal to the STEREO OUT as to the
Headphones.
MASTER
S/P DIF OUT
D/A
L
R
OUTPUT
(-10dBV)
D/A
MASTER FADER
PHONES
METER
PHONES
4. Effect Section
The destination of the signal from the Effect Buss line is the Effect section. You can treat the Effect
section as if it is an independent (1 in / stereo out) Effect unit. After the audio signal has been
through the Effect process, it will become a STEREO signal and return to the L/R Buss lines. Then, the
Effect sound will be mixed with the dry sound coming from each Input channel and will head back
into the MASTER section. Don’t forget the POST/PRE selector switch. If you set the switch to “PRE”
and INPUT FADER to MIN, only the Effect sound will go out via the STEREO OUT without dry sound.
Again, if used this way, the VM04 Effect section is acting as an independent Effect unit.
The Effect section is very adaptable. For example, if you are recording the vocal in your home studio,
by using the reverb you can record the sound as if you are recording in a large hall. You can also
change the original source sound completely by using the delay or chorus.
EFFECT
EFFECT
The types of Effect the VM04 provides are Reverb, Delay, Chorus and Flanger. Some combinations
of these are also available. See EFFECT mode (page 18) for more details of the Effect and how to use
it.
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VM04 Owner’s manual
1. Names and Functions
3
1 2
4
5
6
7
R
L
4
3
2
1
TRIM
TRIM
MIN MAX
-50
-10
-50
-10
RESET
9V
DC IN
OUT
S/P DIF
FOOT SW
PHONES
OUTPUT
INPUT
8
24
23
9
22
10
SCENE
RECALL
STORE
SCENE No
CH
MASTER
21
20
MAX
R
OL
0
6
EFFECT
SETUP
FADER ADJUST
12
24
48
TYPE
PARAMETER
EQ
EQ
L
MIN
11
12
13
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
CHANNEL EDIT
VIEW
EXIT
ENTER
14
19
1
2
3
4
MASTER
15
DATA
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
18
17
16
1. DC INLET connector
To connect the standard accessory AC adaptor to
power up the VM04.
5. STEREO OUT L/R jacks
(6mm Phone Jack, Un-Balance)
To send a mixed audio signal to other equipment,
such as an MTR, Stereo Monitor system or another
mixer.
2. S/P DIF optical output connector
You can obtain the same audio signal as the
STEREO OUT L/R, but in S/P DIF digital and optical
format.
6. RESET SW
To reset the internal CPU. See the “Before Use”
section for more details.
3. Foot SW jack
7. INPUT jacks
(6mm Phone Jack, Un-Balance)
To connect the audio source into the jack. Inputs
1 and 2 can take either mic or line level signals,
while Inputs 3 and 4 are designed for the line
level only.
Connect a Foot SW, such as the Fostex Model 8051,
to recall the Scene Memories. See SCENE MEMORY
(page 22).
4. Headphone jack and its volume control
Connect a pair of headphones to the socket and
control the volume level by using the control knob.
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8. TRIM knobs
19. CHANNEL EDIT key
These volume knobs control the input gain of
INPUT 1 and 2 according to the incoming signal
level. Range: -10dBV~-50dBV. When you turn it
clockwise, the gain will increase so that the Input
socket can take low level signal inputs.
Press this key to enter the CHANNEL EDIT MODE.
See CHANNEL EDIT MODE (page 15).
20. FADER ADJUST key
When you have recalled a Scene, if the Fader
position is different from the Scene setting, this
key will flash. Then, press this key to enter the
FADER ADJUST MODE (page 24).
9. SCENE RECALL key
Use this to recall the Scene Memories. See SCENE
MEMORY (page 22).
21. Contrast control knob
Use this to control the contrast on the LCD display.
10. SCENE STORE key
Use this to store your own settings in the Scene
memories. See SCENE MEMORY (page 22).
22. LCD Display
This LCD shows various kinds of essential
information. It consists of the Character part, Level
display part, View display part, Channel Fader
display part and Master Fader display part.
11. EFFECT PARAMETER key
Use this to set the Effect Parameters. See EFFECT
MODE (page 18).
12. EFFECT TYPE key
23. VIEW Status Indicator
Use this to set the Effect Type. See EFFECT MODE
(page 18).
Use this to confirm which mode you are setting
when in the CHANNEL EDIT MODE. You can
choose the mode by pressing the VIEW key. See
CHANNEL EDIT MODE (page 15).
13. EXIT key
Use this key to quit the current mode.
See CHANNEL EDIT MODE (page 15), EFFECT
MODE (page 18), SCENE MEMORY (page 22),
FADER ADJUST MODE (page 23) and SETUP MODE
(page 25).
24. SCENE Number display
This shows the SCENE Number that has been
recalled. See SCENE MEMORY (page 22).
14. ENTER key
Use this key to accept the current setting.
See EFFECT MODE (page 18), SCENE MEMORY
(page 22), and SETUP MODE (page 25).
15. VIEW key
Use this key to choose which function to adjust
and display on the LCD Display and VIEW Status
Indicator.
16. DATA ENCODER
Use this dial to set the various values in each mode.
17. MASTER FADER
Use this to adjust the output level at the STEREO
OUT jack.
18. INPUT FADERs
Use this to adjust the input level on the individual
channel.
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VM04 Owner’s manual
2. Before Use
2-1. Remove the insulation paper
The VM04 employs a memory back up battery
inside the unit. When you have newly purchased
the unit, you will find a piece of insulation paper
attached to avoid voltage dissipation in transit.
So, when you start using the unit for the first time,
turn ON the power and then remove the insulation
paper in that order.
Insulation paper
2-2. Caution when powering ON
As the VM04 does not have a power switch,
switching the power ON is done by connecting
the AC adaptor. So, keep the input volume at 0 on
the monitor amp or power it OFF when you plug
in the AC adaptor in order to avoid damaging
any connected equipment such as loud speakers.
9V
DC IN
OUT
S/P DIF
FOOT SW
To the AC outlet
2-3. Reset
The internal CPU may crash very occasionally due
to the powering ON/OFF timing or some electro-
magnetic noise such as thunder and lightning. IF
the unit does not power up properly even after
several attempts to power ON, press the RESET
SW to reset the CPU. If you want to clear all the
Scenes stored in the past, you can use the same
method here. All the memories and Setup contents
will return to the factory default setting by
pressing the SW.
R
L
4
3
2
1
TRIM
TRIM
MIN MAX
-50
-10
-50
-10
RESET
9V
DC IN
OUT
S/P DIF
FOOT SW
PHONES
OUTPUT
INPUT
RESET switch
2-4. Internal battery for the memory back up
The internal battery has a life expectancy of about
two years. When the battery runs out and its
voltage falls below a certain level, the warning
SCENE NO.
CH
MASTER
message “BattEmpty” will appear on the display.
You need to replace the battery. If you carry on
MAX
R
OL
0
6
using the unit without a new battery, your stored
12
24
memories will be lost when powering OFF. Please
ask your Fostex distributor or an authorized
L
48
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
service station. Do not open the unit yourself as
there are no user-serviceable parts inside.
<Useful info>
The VM04 employs an internal battery voltage display function. See Item10 The other mode (page 26) for more details.
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VM04 Owner’s manual
3. Applications
Application 1: To expand the Analog channel input for recording
You will be able to record up to 4 Analog
S/P DIF
channels on the FD-8 at once by connecting
the VM04 S/P DIF output to the FD-8 DATA
IN.
DATA IN
S/P DIF
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
You can also take advantage of the high
quality internal digital effect functions while
recording.
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
FD-8
Analog IN
VM04
Application 2: To use as a Mono In/Stereo Out Effecter
You can use the internal digital effect as an
independent high quality effect unit., e.g.,
by connecting the VM04 between the AUX
AUX SEND
AUX RTN L/R
INPUT
L
R
SEND and AUX RTN of other MTR’s such as
the FD-8.
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
FD-8
VM04
Application 3: As a Sub Mixer for a Live Keyboard Player
You can use the VM04 as a sub mixer to mix
the sound of the Keyboard and Sound
Module for the main mixer. You can also use
the Foot SW, Fostex Model 8051, to change
Keyboard &Sound Module
8051
SCENE
Scenes that you prepared in advance.
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
VM04
PA Mixer
Application 4: Brief installation Mixer
You can recall prepared Scenes in sequence
for various different settings, e.g.,
Mic only -> Mic & Music -> Mic only.
CD Player
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
SPA11
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
VM04
11
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VM04 Owner’s manual
Application 5: For one take live studio recording
You can use the VM04 to send the mixed
digital audio via the S/P DIF to a DAT or PC
with Digital In. You can also add the internal
digital effect when mixing audio.
Keyboard
PC audio board
w/digital IN
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
S/P DIF
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
POWER
MAX
MAX
MAX
MAX
DISP TIME
JOG
/SHTL
RAM
SCRUB
PREVIEW
/REPEA
T
ON
DISP LEVEL
OFF
MARGIN
RESET
OR
OPEN/
CLOSE
PNO
LOC
7
4
1
8
9
6
3
INPUT
MONITOR
QUIT
MIN
MIN
MIN
MIN
AUTO-ID
WRITE
ERASE
RENUM
CHASE
/RCL
D-15 DIGITAL MASTER RECORDER
M
E
M
L
O
C
5
AUTO
REC
ID
EXECUTE
/SET
PHONES
START
SKIP
SELECT
OFFSET
MUTE
INSTANT
START
AUTO
CUE
BLANK
START ID SEARCH
VM04
SEARCH
0
S
E
T
U
P
2
END
MIN
MAX
RECORD
STOP
PLAY
REWIND
F
FWD
CAL
CH1
CAL
CH2
9P-REMOTE
LOCAL
ON
OPTICAL
EXT
INT
48kHz
S/P DIF
DIGITAL
ANALOG
OFF
44.1kHz
DAT
INPUT
LEVEL
REMOTE
GPI
INPUT
CLOCK
SAMPLING FREQ
MIN
MAX
MIN
MAX
Application 6: To produce original Remix
Sampler
You can send the remixed sound of the
Sampler and CD Player with the internal digital
effect to a DAT recorder via the S/P DIF.
CD Player
S/P DIF
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
DAT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
POWER
VM04
DIGITAL MINI MIXER
DISP TIME
JOG
/SHTL
RAM
SCRUB
PREVIEW
/REPEA
MAX
MAX
MAX
MAX
T
ON
DISP LEVEL
OFF
MARGIN
RESET
OPEN/
CLOSE
PNO
LOC
7
4
1
8
9
6
3
INPUT
MONITOR
QUIT
AUTO-ID
WRITE
ERASE
RENUM
CHASE
/RCL
MIN
MIN
MIN
MIN
D-15 DIGITAL MASTER RECORDER
M
E
M
L
O
C
5
ID
SELECT
EXECUTE
/SET
VM04
AUTO
REC
PHONES
START
OFFSET
MUTE
INSTANT
START
AUTO
CUE
BLANK
SEARCH
START ID SEARCH
0
S
E
T
U
P
2
SKIP
END
MIN
MAX
RECORD
STOP
PLAY
REWIND
F
FWD
CAL
CH1
CAL
CH2
9P-REMOTE
LOCAL
ON
OPTICAL
EXT
INT
48kHz
DIGITAL
ANALOG
OFF
44.1kHz
INPUT
LEVEL
REMOTE
GPI
INPUT
CLOCK
SAMPLING FREQ
MIN
MAX
MIN
MAX
Application 7: To do your own Sound Track Video Editing
You can add your favorite background music,
original sound effects and narration when
editing videos.
Video
Camera
Audio
Video Signal
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
VTR
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
VM04
Application 8: As a practise aid for your musical instruments
L
R
STANDBY
ON
DC IN
12V
LINE OUT
/
RESET
0
0
0
MIN
MAX
X-14
PAN
PLAYBACK LEVEL
POWER
1
2
3
4
1
2
3
REC
+
6
L
L
L
L
R
R
R
R
You can use the VM04 to practice your musical
instruments with added effects on top of
backing tracks recorded on MTR’s such as the
X-14.
3
0
5
10
-
INT
MIC
4
AMP
OFF
1
multitracker
X-14
4
REC
SEL
2
3
REC
PLAY
REW
FF
STOP
PAUSE
SCENE
RECALL
STORE
SCENE No
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
VM04
DIGITAL MINI MIXER
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
VM04
12
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VM04 Owner’s manual
4. Initial Setting
When you first power up the VM04, the LCD Display will show the following initial setting.
Scene Number display
This section will numerically indicate
Master Fader display
Character section of the LCD Display
It will show <FOSTEX>, <VM04> then,
“Init.Mix”.
the Scene Memory number on a
range from 00 to 20. The initial
default setting will be displayed as
00.
This part will numerically indicate the
Master Fader position on a range from
00 to 99. The initial setting will show as
00.
Channel Fader display
This section will numerically
indicate the INPUT Fader
position of the channel you
SCENE NO.
CH
MASTER
choose in the CHANNEL
MAX
R
OL
EDIT MODE on a range
6
from 0 to 99. But, there will
12
be no numbers showing at
24
the initial setting. See
L
48
CHANNEL EDIT MODE
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
(page 15).
VIEW display
Level display
VIEW status indicator
This will show each input channel
setting such as PAN, EQ,
EFFECT SEND and EFFECT
PRE/POST, which you can
choose by pressing the VIEW
key. The setting is also displayed
on the VIEW Status Indicator. In
the initial setting, PAN will be
displayed in the middle of the bar-
graph by two illuminated dots.
See CHANNEL EDIT MODE
(page 15).
Channel 1 to 4 will indicate the incoming signal
level at the pre-fader position, i.e., it shows the
level regardless of the INPUT Fader setting.
Input channels 1 and 2 have a TRIM
potentiometer (pot) to adjust the gain to cater
for a small signal input such as a MIC. You can
set the appropriate TRIM pot position by
watching the level indicator.
When the content to be shown in
the VIEW display is selected with
the VIEW key, the selected dot for
PAN, LO EQ, HI EQ or EFF will
be lit. For details, refer to
"CHANNEL EDIT MODE" in later
page (page 15).
Channels L and R will indicate the outgoing
signal levels at the STEREO OUT L and R
respectively. But, no level indication will be
displayed because you have not yet raised the
MASTER Fader at this stage.
<Useful info>
When the -10dBV nominal signal level is coming in, the
channel 1 to 4 level meter will indicate -12dB. Also, when the
-10dBV nominal signal level is going out, the channel L and
R level meter will indicate -12dB on the scale.
<Useful info>
If you want the VM04 to return to the factory
default setting completely, follow the
instructions in Item 2-3. RESET.
You can store your favorite Scene setting on Scene Numbers
from 01 to 20. However, as the Scene Number 00 has been
pre-set by the manufacture. You cannot alter this setting.
13
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VM04 Owner’s manual
5. Normal Mix Mode
This is the mode in which only the INPUT and MASTER Faders will work. Raise both the INPUT Fader
of the channel that has the incoming signal connected and the MASTER fader. The audio signal will
start coming out at the STEREO OUT L and R and S/P DIF Optical output. If you have a pair of
headphones connected to the Headphone Jack, you can hear the same audio signal here as well.
Also, you can adjust the headphone level with the volume knob next to the Jack.
The LCD Display will show the following:
Character section
This will show “Iint.Mix ”. The stands for Edit and means one or more settings have changed from
the initial setting. In this case, the Fader position is different from the initial setting.
Master Fader display
SCENE NO.
Level display
CH
MASTER
This will numerically indicate the current
MASTER Fader position on a range from
00 to 99. When the indicator is showing 80,
the MASTER Fader will be at the nominal
setting.
MAX
R
The channel L and R levels will
be indicated on the bar-graph
according to the MASTER
Fader position.
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
<Useful info>
Caution
CHANNEL EDIT
* When you move the INPUT
and MASTER Faders, their
numerical positions will be
digitally indicated. And the
actual sound will increase or
decrease smoothly without
any clicking or stepping noise
interference.
VIEW
If the FADER FIX Mode is set to ON in the
SETUP Mode, no sound will come out even
if you move the Faders. See SETUP Mode
(page 25) for more details.
1
2
3
4
MASTER
MAX
MAX
MAX
MAX
Adjusts the volume level of
the headphones .
R
L
4
3
2
1
MIN
MIN
MIN
MIN
TRIM
TRIM
* The relationship between the
Fader position and real gain
is 0 = -∞, 80 = 0dB,
M
I
N
M
A
X
-50
-10
-50
-10
RESET
9V
DC IN
OUT
S/P DIF
FOOT SW
PHONES
OUTPUT
INPUT
Monitor headphone
99 = +6dB.
<Caution>
When powering ON, it is possible that the FADER ADJUST key will start flashing. This will occur if each Fader
position after powering ON is different from their settings the last time you powered OFF. With regard to the
audio, the audio level is recalled according to the Fader setting the last time you powered OFF. As the VM04
Faders do not move automatically, this is the way the VM04 indicates that it has detected some discrepancy
between the physical Fader position now and the position the last time you powered OFF. See Fader Adjust
mode (page24).
If it is not necessary to match the fader positions, the FADER ADJUST key blinking will be extinguished when
all faders are moved and then, returned to the normal mix mode.
The sound you have obtained up to this stage is so called “dry sound”. All the settings are neutral; the
PAN is in the center, there is flat EQ and no Effect. Let’s move on to the next CHANNEL EDIT Mode.
14
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VM04 Owner’s manual
6. Channel Edit Mode
This mode is used to set the PAN, EQ, EFFECT SEND and EFFECT POST/PRE on each input channel.
The CHANNEL EDIT key on each input channel has exactly the same mode of operation. Therefore, we will
discuss their functions using Channel 1 as an example. Press the Channel 1 CHANNEL EDIT Key. The key
itself will light up so that you will be able to confirm you have entered into the CHANNEL EDIT MODE. The
LCD display will show the following message.
Channel Fader display
Character section
This will numerically indicate the current Channel 1 INPUT Fader position on a
This will display “1-Pan: C”. This
range from 00 to 99. When the indicator is showing 80, the INPUT Fader will be at
means that you can now adjust the
the nominal setting.
Channel 1 PAN setting.At this point
the setting will be at the center
position between left and right. This
VIEW display
SCENE NO.
CH
MASTER
is related to the VIEW Status
Indicator as its dot is at the PAN
position. You can use the VIEW
key to change the item you want to
adjust; PAN -> EQ Lo -> EQ Hi ->
EFF -> POST/PRE -> PAN.
MAX
R
The two digits at the center of the
bar-graph will start flashing on
Channel 1 from being continuously
lit on the initial setting.
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
Press the CHANNEL EDIT key 1.
1
2
3
4
MASTER
<Useful info>
MAX
MAX
MAX
MAX
The VIEW key works in reverse if
you keep pressing it for a while rather
than hitting it once; PAN -> POST/
PRE -> EFF -> EQ Hi -> EQ Lo ->
PAN.
Press the EXIT key to quit
the CHANNEL EDIT MODE.
You can go back to the
Normal Mix mode.
MIN
MIN
MIN
MIN
6-1. PAN setting
1. Rotate the DATA ENCODER.
Indicates L1 ~ L10 or R1 ~ R10.
If you turn it clockwise, the character display will
change to R1 -> R10 and the sound will gradually
move to the right. At the same time, the PAN
indication on the VIEW display will change to a
single dot and move upwards (to R).
SCENE NO.
CH
MASTER
MAX
R
Similarly, if you turn the dial counter-clockwise,
the display will change to L1 -> L10, the sound will
move to the left and the indicator will move
downwards (to L).
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
<Useful info>
When turning the DATA ENCODER, the position display
will read L10 ~ C ~ R10 with a 21 step digital indication. And
the actual sound will move smoothly without any clicking or
stepping noise interference.
PAN dot is flashing.
A dot moving up and down.
15
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VM04 Owner’s manual
6-2. EQ Lo Setting
2. Rotate the DATA ENCODER.
1. Press the VIEW key so that the LO dot is flashing
on the VIEW Status Indicator.
The LCD Display will show the following message:
If you turn it clockwise, the display on the Character
section will change to +1dB -> +18dB from 0dB
and the bass sound will become louder. At the same
time, the two dots on the EQ Lo indicator at the
center of the bar-graph will become a single dot
and move upwards (to MAX). Similarly, if you turn
the dial counter-clockwise, the display will show -
1dB -> -18dB, the bass sound will become quieter
and the indicator will move downwards (to MIN).
Character section
This will display “1-Lo: 0”. This means that you can
now adjust the Channel 1 EQ Lo setting. At this
point the setting is zero, flat.
Indicates +1dB ~ +18dB or -1dB ~ -18dB.
SCENE NO.
CH
MASTER
MAX
R
OL
0
6
12
24
48
SCENE NO.
CH
MASTER
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
MAX
R
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
EQ
LEVEL
VIEW
Flashing
<Useful info>
The specification of the EQ Lo is the Shelving Type
Equalization and its control frequency is 100Hz, +/-18dB.
A dot moving up and down.
LO dot is flashing.
6-3. EQ Hi setting
2. Rotate the DATA ENCODER.
1. Press the VIEW key so that the HI dot is flashing
on the VIEW Status Indicator.
The LCD display will show the following message.
If you turn it to clockwise, the display on the
Character part will change to +1dB -> +18dB from
0dB and the treble sound will become louder.
At the same time, two dots of the EQ Hi indicator
at the center of the bar-graph will become a single
dot and move upwards (to MAX). Similarly, if you
turn the dial counter-clockwise, the display will
show -1dB -> -18dB, the treble sound will become
quieter and the indicator will move downwards
(to MIN).
Character section
This will display “1-HI: 0”. This means that you can
now adjust the Channel 1 EQ HI setting. At this
point the setting is zero, flat.
SCENE NO.
CH
MASTER
Indicates +1dB ~ +18dB or -1dB ~ -18dB.
MAX
R
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
SCENE NO.
CH
MASTER
LEVEL
VIEW
EQ
MAX
R
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
EQ
LEVEL
VIEW
Flashing
<Useful info>
The specification of the EQ HI is the Shelving Type
Equalization and its control frequency is 100Hz, +/-18dB.
A dot moving up and down.
LO dot is flashing.
16
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VM04 Owner’s manual
6-4. EFFECT SEND setting
1. Press the VIEW key so that the EFF dot is flashing
on the VIEW Status Indicator.
The LCD Display will show the following message:
2. Rotate the DATA ENCODER clockwise.
The display on the Character section will change
to 00 ~ 99 and the Effect sound will become louder.
At the same time, a flashing dot will appear on the
Channel 1 VIEW display and move upwards.
Character section
This will display “1-Eff: 0”. This means that you
can now adjust the Channel 1 EFFECT SEND
setting. At this point the setting is zero, dry.
Indicates 0 ~ 99.
SCENE NO.
SCENE NO.
CH
MASTER
CH
MASTER
MAX
R
OL
0
MAX
R
OL
0
6
12
24
48
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
VIEW display
Nothing will show here as the EFFECT SEND level
is set to Nil at the moment.
EFF dot is flashing.
A dot moving up and down.
<Useful info>
See EFFECT MODE (page 18) for more details of
the internal digital Effect.
When turning the DATA ENCODER, the position display
will read 0 ~ 99 with a 100 step digital indication. But, the
actual EFFECT SEND level is -∞ ~ +6dB.
6-5. EFFECT POST/PRE setting
2. Rotate the DATA ENCODER clockwise.
The display on the Character section will change
from “Pst” to “Pre” and the EFFECT SEND point
setting will switch over to the Pre Fader position.
Also, the VIEW display will change and the top three
dots will start flashing.
1. Press the VIEW key just once more at the previous
EFFECT SEND setting.
There will be no change on the VIEW Status
Indicator but the LCD Display will show the
following message:
Character section
Indicates Pst or Pre.
This will display “1-P/P: Pst”. This means that you
can now choose the Channel 1 EFFECT SEND in
either the Post-Fader or Pre-Fader position. At this
point the setting is Post-Fader.
SCENE NO.
CH
MASTER
MAX
R
OL
0
6
12
24
48
SCENE NO.
L
MIN
CH
MASTER
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
MAX
R
VIEW
EQ
LEVEL
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
Moves up or down at each 3rd digit.
EFF dot is flashing.
<Useful info>
The setting indication on the VIEW display will remain as a
dot even after quitting the CHANNEL EDIT MODE, e.g.,
PAN, EQ Lo, EQ Hi, EFFECT SEND and EFFECT POST/
PRE. So you can easily confirm the setting of all four
channels at once in the Normal Mix mode. Press the VIEW
key to choose the setting by referring to the VIEW Status
Indicator.
VIEW display
The bottom three dots will flash on the bar-graph.
See EFFECT MODE (page 18) for more details of
the internal digital Effect.
17
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VM04 Owner’s manual
7. Effect Mode
The VM04 carries 20 types of internal digital effects. You can also alter their parameter settings in detail. We will
discuss the digital effects here. To fully understand their versatile effect functions, we recommend that you
listen to the actual sound while reading the explanations below.
The DSP effect section inside the VM04 employs the A.S. P. (Fostex Advanced Signal Processing Technology)*,
which is exclusively developed by Fostex, and obtains high quality ambient effects almost equivalent to a
professional reverb unit.
are made up of three kinds of sound mixed together:
*A. S. P. (Fostex Advanced Signal Processing
“Direct sound”, “Early Reflection sound” and “Late
Technology)
Reflection sound”. The Direct sound refers to sound
The A. S. P. is an exclusive new digital effect processing
which reaches the ears directly from the sound source,
technology designed by Fostex. This method extracts
as the name suggests. The Early Reflection sound refers
maximum efficiency from the limited DSP power. It
to sound which has rebounded off a wall only a few
achieves an overwhelmingly high density Early
times. And the Late Reflection sound refers to sound
Reflection sound and wonderfully smooth High
which continues rebounding long after the Direct sound
Dump response through the H. F. A. (Harmonic
has disappeared. Our ears normally hear the Direct
Feedback Algorithm). Also, it carries out an elaborate
sound, Early Reflection sound and Late Reflection sound
reverb simulation with clear sounds through the H.
in that order. The Reverb on the VM04 can be set to the
D. L. P. (Hi-Density Logarithmic Processing), which
following parameters:
eliminates the mutual interference between the
*
*
Reverb Time: Sets the length of time the sound reverberates.
Pre-Delay Time: Sets the time lapse between the direct sound
and the reverb sound.
numerous integrated delay modules and reduce the
impurity and grit of the sound.
*H. F. A. (Harmonic Feedback Algorithm)
*
*
High Dump: Sets the decay rate of high frequency reflected
sound. The decay rate refers to the amount of time it takes a
sound to disappear.
Early Reflection Balance: Sets the audio level of the Early
Reflection sound.
There is one of indispensable elements in the natural
echo called “Early Reflection sound”, which is usually
sacrificed in commercial reverb products in order to
reduce costs. (In practice, the Early Reflection sound
means the very first reverberated sound that bounces
back from walls, floors and ceilings of concert halls).
The entire reverb sound quality depends on this Early
Reflection sound and how closely it can resemble
the real echo. The H. F. A. is an algorithm that enables
the effect unit to reproduce a clear and natural Early
Reflection sound by applying an ideal harmonic
feedback to each delay module.
Delay
This is the effect obtained by adding a delayed sound to
the original sound. You can obtain a richer sound or
completely change the original source sound by using
the Delay. The Delay on the VM04 can be set to the
following parameters:
*
*
Delay Level: Sets the volume of the Delay sound.
Delay Time: Sets the time between the original sound and the
delay sound.
Feedback Level: Sets the level of the delay sound to be returned
to the delay input.
*H. D. L. P. (Hi-Density Logarithmic Processing)
The reverb sounds consist of lots of small delay
elements combined in a complex way, which are
produced by many delay modules inside the effect
unit. In order to obtain smooth and comfortable
reverb sounds, it is very important to efficiently
organize the relationship between each delay module
and minimize negative mutual interference.
The H. D. L. P. is a technology which applies efficient
logarithmic processing to each delay module, so that
they can work in the most efficient way in order to
eliminate harmful reverb elements and roughness.
This makes it possible to establish high density and
transparent sounds.
*
Chorus
The Chorus is used to widen or thicken the original
sound. The Chorus on the VM04 can be set to the
following parameters:
*
*
*
Chorus Level: Sets the volume of the Chorus sound.
Modulation Rate: Sets the Chorus modulation frequency.
Depth: Sets the depth of sound available on the Chorus.
Flanger
This is to use to create a sound like a jet airplane taking
off or landing. The Flanger on the VM04 can be set to
the following parameters:
Before operating the EFFECT MODE, let’s briefly discuss
the Reverb, Delay, Chorus and Flanger effect functions
which are integrated in the VM04.
*
*
*
Flange Level: Sets the volume of the Flanger sound.
Modulation Rate: Sets the Flanger modulation frequency.
Feedback Level: Sets the volume of the Flanger sound feedback.
Reverb
The Reverb effect consists of various reflection (echo)
sounds mixed together. Just as when you clap your hands
in a tunnel, for example, you hear the sound lingering
after you have stopped clapping your hands. This is the
Reverb. The sounds we normally hear in everyday life
The type of Effect the VM04 provides can be set
individually in the way described above. Some
combinations of these are also available. These are
explained on the next page.
18
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7-1. EFFECT TYPE setting
SCENE
RECALL
STORE
SCENE No
CH
MASTER
MAX
R
OL
0
6
EFFECT
SETUP
FADER ADJUST
12
24
48
TYPE
PARAMETER
EQ
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
4
CHANNEL EDIT
VIEW
EXIT
ENTER
6
1
2
3
4
MASTER
DATA
MAX
MAX
MAX
MAX
3, 7
MIN
MIN
MIN
MIN
2, 5
1
5. Rotate the DATA ENCODER clockwise.
You can see the following Effect types one after
another. Only the indicators are changing at this
stage. You can choose just one type from among
them at any one time.
1. Raise the MASTER Fader and INPUT Fader of the
Channel you have the incoming audio signal
connected to in the NORMAL MIX MODE (Item 5.)
so that you can hear the audio.
2. In the EFFECT SEND Level setting (Item 6-4.), turn
the DATAENCODER clockwise to set a reasonable
sound level, e.g., Eff: 60.
1:Hall Rev1
2:Hall Rev2
3:Hall Rev3
11:Stadium1
12:Stadium2
13:Delay
You will now start hearing the Effect sound.
4:Hall Rev4
14:Delay+Rev
15:L-R Delay
16:L-R+Rev
17:Chorus
18:Cho+Rev
19:Flanger
5:Room Rev1
6:Room Rev2
7:Room Rev3
8:Room Rev4
9:Plate Rev1
10:Plate Rev2
SCENE NO.
CH
MASTER
MAX
R
OL
0
6
20:Fla+Rev
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
6. Press the ENTER key after you have decided which
VIEW
EQ
LEVEL
one you want to choose.
3. Press the EXIT key to come out of the EFFECT
SEND Level setting mode.
Your choice will be effective now and will be shown
on the display. The parameter of the type you
have chosen will be the default setting.
4. Press the EFFECT TYPE key once.
The key will light up and also the LCD Display will
read “HallRev 1”. For your information, you can
enter the EFFECT MODE from whatever mode you
are in, such as NORMAL MIX MODE and CHANNEL
EDIT MODE.
7. Press the EXIT key to quit the EFFECT MODE.
Caution
The audio may momentarily disappear or some clicking
noises may appear when you decide the Effect type by
pressing the ENTER key. This is not a fault, but is due to the
VM04 resetting its internal circuit (DSP).
SCENE NO.
CH
MASTER
MAX
R
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
19
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7-2. EFFECT PARAMETER setting
You can alter the parameter setting according to the Effect type.
The parameters available in each Effect type.
The available parameters differ according to the Effect type. These are discussed here.
1. Reverb related Effects
5. Combined Chorus/Reverb Effect
18:Cho+Rev is the Effect you get when Chorus
and Reverb are combined together.
This has five parameters:
The 12 Effects from 1:HallRev1 to 12:Stadium2
are the Reverb related Effects.
They have five parameters:
1.Reverb Level (RevLv : 0~99)
1. Chorus Level (ChoLv: 0~99)
2.Reverb Time (RevTim: 0.1~9.9 Sec)
3.Pre Delay Time (PreDl: 0~150 mSec)
4.High Dump (HiDmp: 0~10)
2. Modulation Frequency (Rate: 0.1~9.9 Hz)
3. Chorus Depth (Depth: 0~99)
4. Reverb Level (RevLv: 0~99)
5.Early Reflection Balance (ErBal: 0~99)
5. Reverb Time (RevTm: 0.1~9.9 Sec)
2. Delay related Effects
13:Delay and 15:L-R Delay are the Delay
related Effects. They have three parameters:
6. Flanger related Effect
19:Flange is the Flanger related Effect.
This has three parameters:
1. Delay Level (DlyLv: 0~99)
1. Flange Level (FlaLv: 0~99)
2. Delay Time (DlyTm: 5~995 mSec, also 1.0~1.4
Sec)
3. Feedback Level (FBack:-99~0~99, the negative
numerals indicate the reverse phase)
2. Modulation Frequency (Rate: 0.01~0.99 Hz)
3. Feedback Level (FBack: -99~0~99, the negative
numerals indicate the reverse phase)
7. Combined Flanger/Reverb Effect
20:Fla+Rev is the Effect you get when Flanger
and Reverb are combined together.
This has five parameters:
3. Combined Delay/Reverb Effects
14:Delay+Rev and 16:L-R+Rev are the Effects
you get when Delay and Reverb are combined
together. They have five parameters:
1. Flange Level ( FlaLv: 0~99)
1. Delay Level (DlyLv:0~99)
2. Modulation Frequency (Rate: 0.01~0.99 Hz)
3. Feedback Level (FBack: -99~0~99, the negative
numerals indicate the reverse phase)
4. Reverb Level (RevLv: 0~99)
2. Delay Time (DlyTm: 2~500 mSec)
3. Feedback Level (FBack:-99~0~99, the negative
numerals indicate the reverse phase)
4. Reverb Level (RevLv: 0~99)
5. Reverb Time (RevTm: 0.1~9.9 Sec)
5. Reverb Time (RevTm: 0.1~9.9 Sec)
4. Chorus related Effect
17:Chorus is the Chorus related Effect.
This has three parameters:
1. Chorus Level (ChoLv: 0~99)
2. Modulation Frequency (Rate: 0.1~9.9 Hz)
3. Chorus Depth (Depth: 0~99)
20
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To show you how the EFFECT PARAMETER KEY functions we will use “Hall Rev 1” as an example.
The “Hall Rev 1” has the following five parameter settings:
1. Reverb Level
2. Reverb Time
3. Pre-Delay Time
4. High Dump
5. Early Reflection Balance
3. Pre-Delay Time setting
1. Reverb Level setting
Press the EFFECT PARAMETER key once again.
The character section will read “PreDl:0” . This
means you can now adjust the Pre Delay Time. Its
current setting will be 0 mSec. which is the default
setting of the “Hall Rev 1”.
Press the EFFECT PARAMETER key.
The key will light up and the character section will
read “RevLv: 80”. This means you can now adjust
the Reverb Level. Its current setting will be 80 which
is the default setting of the “Hall Rev 1”.
SCENE NO.
CH
MASTER
SCENE NO.
CH
MASTER
MAX
R
MAX
R
OL
0
OL
0
6
6
12
24
48
12
24
48
L
MIN
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
VIEW
EQ
LEVEL
Turn the DATA ENCODER clockwise.
Turn the DATA ENCODER clockwise.
The sound effect will become louder on the actual
audio bigger on the display. The adjustment range
is from 00 to 99.
The Pre Delay time value will increase on the
display and the time between the source sound
and Reverb sound will become longer.
The adjustment range is from 0 mSec to 150 mSec.
Caution
The EFFECT SEND Level adjustment discussed in Item 6.4.
adjusts the signal level being sent from the INPUT Channel
to the Effect. The level set in this EFFECT PARAMETER is
like the Input Level adjustment for an independent effect unit.
4. High Dump setting
Press the EFFECT PARAMETER key once again.
The character section will read “HiDmp:7” . This
means you can now adjust the High Dump. Its
current setting is 7 which is the default setting of
the “Hall Rev 1”.
2. Reverb Time setting
Press the EFFECT PARAMETER key once again.
The character section will read “RevTm:3.5”. This
means you can now adjust the Reverb Time. Its
current setting will be 3.5 second which is the
default setting of the “Hall Rev 1”.
SCENE NO.
CH
MASTER
MAX
R
OL
0
6
12
24
48
SCENE NO.
CH
MASTER
L
MIN
MAX
R
OL
0
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
6
12
24
48
Turn the DATA ENCODER clockwise.
L
MIN
The High Dump value will increase on the display
and so will the high frequency region of the reverb
sound. The adjustment range is from 0 to 10. When
the High Dump setting is 10, the high and low
frequency contents of the reverb will decay at the
same time.
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
VIEW
EQ
LEVEL
Turn the DATA ENCODER clockwise.
The reverb time value will increase on the display
and also the reverb sound on actual audio will
become longer. The adjustment range is from 0.1
Sec to 9.9 Sec.
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Turn the DATA ENCODER clockwise.
The Early Reflection Balance value will increase on
the display and the initial echo level Reverb sound
will become louder. The adjustment range is from
0 to 99.
5. Early Reflection Balance setting
Use this to adjust the initial echo level of the reverb.
Press the EFFECT PARAMETER key once again.
The character section will read “ErBal:50”. This
means you can now adjust the Early Reflection
Balance. Its current setting is 50 which is the default
setting of the “Hall Rev 1”.
<Useful info>
If you hold the EFFECT PARAMETER key for a while, rather
than hitting it once, the menu will be reversed; ReLv -> ErBal
-> HiDmp -> PreDl -> RevTm -> RevLv.
SCENE NO.
CH
MASTER
MAX
R
Caution
OL
0
Only the last effect parameter setting you made will be kept
after powering OFF. If you want to keep additional settings,
store them in the Scene Memories discussed later.
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
8. Scene Memory
The VM04 has 21 Scene Memories. Scene number 00 is the “Initial Mix” preset scene and you cannot
alter its setting. But, you can store your favorite scenes on Scene numbers from 01 to 20.
The contents you can store are all the settings you make in the Normal Mix Mode, Channel Edit Mode
and Effect Mode. Also you can name the Scenes using up to eight alphabetical and numerical
characters.
8-1. Scene Store
1. Press the SCENE STORE key when you want to
This indicates that you are now able to edit the
name by entering a letter where the digit is flashing.
Note the cursor description “<“ and ”>” above the
EFFECT TYPE key and EFFECT PARAMETER key.
store the setting that you have made.
The key will light up and the Scene number display
will start flashing. You can enter the Scene Store
Mode from whichever mode you are in.
For example, Normal Mix Mode, Channel Edit Mode
or Effect Mode.
The first digit will blink.
Lights up
SCENE
RECALL
STORE
SCENE No
CH
MASTER
Scene number will blink.
Lights up (red)
MAX
R
OL
0
6
EFFECT
SETUP
12
24
48
TYPE
PARAMETER
EQ
SCENE
RECALL
STORE
L
MIN
SCENE No
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
CH
MASTER
LEVEL
VIEW
EQ
MAX
R
OL
0
6
EFFECT
SETUP
12
24
48
TYPE
PARAMETER
EQ
Flashing
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
4. Rotate the DATA ENCODER either clockwise or
counter-clockwise. The characters will appear one
after another. Also by pressing either the EFFECT
TYPE key or EFFECT PARAMETER key, the cursor
will move to the left or right accordingly, so that
you can select a letter in the required position.
Name the Scene using these functions and a
maximum of eight characters.
2. Rotate the DATA ENCODER and choose a Scene
number from 01 to 20, on which you want to store
the setting.
3. Press the ENTER key or STORE key.
The Scene number display will stop flashing and
at the same time, the EFFECT TYPE key and EFFECT
PARAMETER key will start flashing instead.
Also, the digit furthest to the left on the character
section will start flashing.
The characters you can use to name the Scene
Memories are:
A~Z, a~z, 0~9 + - * / # ! ? ( ) [ ] < > : . , <- -> _
22
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If you want to quit the Scene Store in the middle of
its process, press the EXIT key. You can return to
the Normal Mix mode any time.
The store process has been completed. The stored
Scenes are kept even after powering OFF.
<Useful info>
You can press the STORE key instead of the ENTER key to
store the Scene. If you do this, you won’t quit the Scene
Store mode, i.e., you won’t return to the Normal Mix mode.
So, you can carry on storing more Scenes one after another
5. Press the ENTER key after you have named your
Scene.
The character section will momentarily show
“-STORE-” and return to the Normal Mix mode.
8-2. Scene Recall
This is the mode to recall the Scenes. All the stored settings will be recalled. Regarding the Fader
setting, the stored audio level will be perfectly recalled. However, the difference between the stored
Fader position and actual Fader position will only be indicated by the flashing FADER ADJUST key.
<Note>
The recall content will differ depending on the setting of the later explained setup modes “Channel fader recall” and
“Master fader recall.” Refer to page 25 for details on the “SETUP mode.”
1. Press the SCENE RECALL key.
As the VM04 Faders do not move automatically,
this is the way the VM04 indicates that it has
detected some discrepancy between the physical
Fader position now and when the Scenes were
stored. At this stage, as the VM04 is already in the
Normal Mix mode, you can operate the Faders.
Then, if you move all the faders, the FADER ADJUST
The key will light up and the Scene number display
will start flashing. You can enter the Scene Recall
mode from whichever mode you are in.
For example, Normal Mix mode, Channel Edit mode
or Effect mode.
Scene No will blink
SCENE
RECALL
STORE
SCENE No
key light will switch off and a letter will appear
in the character section next to the Scene name.
CH
MASTER
MAX
R
OL
0
6
EFFECT
SETUP
This stands for Edit and means the Fader position
is different from the stored setting. Even if you
move the Faders, it won’t change the Fader setting
stored in the Scenes.
Finally, if you want to recall a Scene including the
physical Fader position, see Fader Adjust mode.
12
24
48
TYPE
PARAMETER
EQ
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
Lights up (green)
2. Rotate the DATAENCODER and choose the Scene
number you want to recall from 00 to 20.
If you want to quit the Scene Recall mode now,
press the EXIT key. You can return to the Normal
Mix mode any time.
<Useful info>
You can also press the RECALL key again instead of the
ENTER key to recall the Scenes. In this case, as the VM04
won’t quit the Scene Recall mode, you will be able to keep
recalling Scenes, one after another. This is very useful, for
instance, if you are trying to recall a Scene, but you don’t
remember its Scene number. You can search for it by
listening to the sound.
3. Press the ENTER key.
The character section will show “-Recall-”
momentarily and then the stored Scene name will
appear. The recall has been completed. As far as
audio is concerned, the audio level has also been
recalled according to the stored Fader setting.
However, at the same time, the FADER ADJUST key
will start flashing.
SCENE No
CH
MASTER
MAX
R
OL
0
6
FADER ADJUST
12
24
48
EQ
EQ
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
Flashing
23
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8-3. Fader Adjust mode
When you recall a scene, all the settings will be recalled including the audio level according to the Fader
setting that was stored in each Scene. However, the physical Fader position won’t be recreated. The Fader
Adjust mode is used to correct these discrepancies manually.
The fader adjust mode will also function in the normal mix mode, in addition to scene recall. In the normal mix
mode, the FADER ADJUST key will blink to indicate that the fader position at switching on power is different from
that prior to switching off power.
2. Adjust the Fader so that the lit dot meets the
1. Press the flashing FADER ADJUST key.
The key will stop flashing and the character section
will read “Fader Adj”. Also the level indicator
section will show two dots in each Channel. The lit
dot is to indicate the current Fader position and
the blinking dot is to indicate the recalled Fader
position which was stored in the Scene memory.
blinking dot.
The MASTER Fader will adjust both L and R dots at
the same time. When this happens, the actual audio
level will not change even though you have moved
the Faders. If the current Fader position matches
the stored setting, only one lit dot will remain in
each channel display. When you finish adjusting
all faders, so that all six dots are lit, press the EXIT
key. The FADER ADJUST key light will turn off.
Now the Scene Recall is complete and includes the
physical Fader position.
Blinking
SCENE No
CH
MASTER
MAX
R
OL
0
6
FADER ADJUST
12
24
48
EQ
EQ
Caution
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
If you have set the Fader Fix to ON in the SETUP mode,
you won’t be able to enter the Level Adjust mode. And the
character section will read “FaderFixMode” as a warning
message. See SETUP mode (page 25).
Lights up
Lights up
<Useful info>
Level Adjust mode
If you keep holding the Flashing FADER ADJUST key, the character section will show “LevelAdj?”. This is the Level Adjust mode.
This allows you to compulsorily override the recalled Fader position with the current setting. When you use this mode, the result
will be exactly the same as moving all the Faders after pressing the ENTER key in the Scene Recall. See Item 8-2-3.
Press the ENTER key. The character section will momentarily show “LevelAdj!”, then, recall the Scene name with E next to it. The
flashing FADER ADJUST key will go off. This E means the current Fader position is now different from the stored setting. Even if
you move each Fader at this stage, it will not change the stored Fader setting in the Scene.
8-4. Scene Direct Recall
There is one more way to recall the Scenes in addition to the method discussed in Scene Recall (8-2).
This mode will recall the Scenes in numerical order.
Lights up
1. Press the SCENE RECALL key and keep holding it.
The key will light up and at the same time, the
EFFECT TYPE key and EFFECT PARAMETER key will
SCENE
RECALL
STORE
SCENE No
start flashing. Note the cursor description “<“ and
“>” above the EFFECT TYPE key and EFFECT
PARAMETER key. If you press the EFFECT TYPE
key,the Scene numbers will count down. And if
you press the EFFECT PARAMETER key, the Scene
numbers will count up. Each time you press either
key, the character section will momentarily read
“-Recall-”, then the stored Scene will be directly
recalled.
CH
MASTER
MAX
R
OL
0
6
EFFECT
SETUP
12
24
48
TYPE
PARAMETER
EQ
L
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
Blinking
24
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You can enter the Scene Direct Recall mode from
whichever mode you are in , e.g., Normal Mix mode,
Channel Edit mode or Effect mode.
Caution
The audio may momentarily disappear or some clicking
noises be heard when you recall the Scenes using any of
the methods described above. This is not a fault. It is due to
the VM04 resetting its internal circuit (DSP) according to the
Effect type stored in the Scenes.
Caution
The Scenes that you can recall are from 01 to 20. You cannot
recall the preset Scene number 00 in the Scene Direct Recall
mode.
2. Press the EXIT key to quit the mode after you have
recalled the Scene that you want.
You will return to the Normal Mix mode.
Foot Switch
<Useful info>
Scene Direct Recall with Foot Switch
SCENE
RECALL
STORE
You can also use a non-latching type Foot Switch, such as Fostex
Model 8051 to recall the Scenes directly. Connect it to the Foot SW
jack and each time you operate the Switch, the Scene number will
count up and recall the Scenes one after another. This function is
useful when you want to change the Scenes in one go by stepping
on the Foot Switch during a live performance.
SCENE No
CH
MASTER
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
EQ
TYPE
PARAMETER
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
P
AN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
9. SETUP Mode
The VM04 has a Setup mode. This is described in detail here.
2. Rotate the DATA ENCODER.
The character section will show the following
flashing mode names one after another so that you
can choose the mode to set.
1
SCENE
RECALL
STORE
SCENE No
CH
MASTER
MAX
OL
0
[
R
]
6
EFFECT
SETUP
FADER ADJUST
12
24
TYPE
PARAMETER
EQ
[
L
]
MIN
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
5
3
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
2, 4
1. Press the EFFECT TYPE key and EFFECT
PARAMETER key together.
Both keys will light up and the VM04 will enter the
Setup mode. You can enter the Setup mode from
whichever mode you are in, e.g., the Normal Mix
mode, Channel Edit mode or Effect mode.
Fader Fix (FdFix)
OFF : Default setting
ON
If you set this mode to ON, none of the Faders will
function in any mode. This is used to avoid an
accidental Fader operation caused by a mistake
or an external vibration, especially when you recall
the Scenes.
Blink
CH
MASTER
MAX
R
OL
0
6
12
24
48
L
MIN
1
2
3
4
L
R
1
2
3
4
VIEW
LEVEL
25
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3. Press the ENTER key after having confirmed the
Channel Fader Recall (chRCL)
ON : Default setting
OFF
If you set this mode to OFF when recalling the
Scenes, the INPUT Channel Faders will not recall
their stored positions, but their settings before
recalling the Scene will remain effective. The
INPUT Faders will work normally in all modes
including the Scene Store mode, regardless of
whether this setting is ON or OFF.
mode you want is shown on the character section.
The mode name will stop flashing and either ON
or OFF will start flashing instead.
4. Rotate the DATA ENCODER to choose the ON or
OFF setting.
If you turn the dial clockwise, ON will appear. And
if you turn the dial counter-clockwise, OFF will
appear.
5. Press the EXIT key after you have decided which
setting you want: either ON or OFF.
Master Fader Recall (MsRCL)
ON : Default setting
OFF
This completes the set up and the VM04 will return
to the Normal Mix mode. The Setup will be kept
even after powering OFF.
If you set this mode to OFF, when recalling the
Scenes, the Master Fader will not recall its stored
position, but its setting before recalling the Scene
will remain effective. The Master Fader will work
normally in all mode including the Scene Store
mode, regardless of this setting whether this
setting is ON or OFF.
10. Other modes
Here we discuss some additional modes on the VM04, although these are not directly connected
with ordinary usage. There are two modes available: “Software Version Check” and “Battery Check”.
10-1. Software Version Check
Press the EFFECT TYPE key while holding the EXIT key and ENTER key together.
The character display will display the Software Version of your VM04 for a second, and then return
to the Normal Mix mode.
CH
MASTER
SCENE
RECALL
STORE
SCENE No
MAX
R
OL
0
6
EFFECT
SETUP
FADER ADJUST
12
24
48
TYPE
PARAMETER
EQ
L
MIN
Press the EFFECT TYPE
key while holding the EXIT
key and ENTER key.
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
10-2. Battery Check
Press the EFFECT PARAMETER key while holding the EXIT key and the ENTER key together.
The character section will show the voltage of the memory backup battery inside your VM04 for a
second, and then return to the Normal Mix mode. If the voltage falls below 2.2V, the message
“BattEmpty” will appear when powering ON.
26
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VM04 Owner’s manual
CH
MASTER
SCENE
RECALL
STORE
SCENE No
MAX
R
OL
0
6
EFFECT
SETUP
FADER ADJUST
12
24
48
TYPE
PARAMETER
EQ
L
MIN
Press the EFFECT
PARAMETER key while
holding the EXIT key
and ENTER key.
1
2
3
4
L
R
1
2
3
4
PAN
LO
HI
EFF
LEVEL
VIEW
EQ
CHANNEL EDIT
VIEW
EXIT
ENTER
1
2
3
4
MASTER
DATA
MAX
MAX
MAX
MAX
MIN
MIN
MIN
MIN
Specifications
<Mixer Section>
DYNAMIC RANGE
: 90dB (TYPICAL)
INPUT 1, 2
Connector: ø6 mm Phone Jack/Un-balanced
Input Impedance: 20kΩ or more
Input Level: -50dBV ~ -10dBV
A/D converter
: 20bit, 64 times Over Sampling Enhanced Dual
Bit, Delta-Sigma
INPUT 3, 4
D/A converter
Connector: ø6 mm Phone Jack/Un-balanced
Input Impedance: 20kΩ or more
Input Level: -10dBV
: 20bit 128-time, Over Sampling, Delta-Sigma
SAMPLING FREQUENCY
: 44.1kHz
OUT PUT (L/R)
Connector: ø6 mm Phone Jack/Un-balanced
Load Impedance: 10kΩ or more
Output Level: -10dBV
DIGITAL OUTPUT
: 44.1kHz/16 bit linear
PHONES OUT
TOTAL HARMONIC DISTORTION
: 0.01% (TYPICAL)
Connector: ø6 mm Stereo Phone Jack
Load Impedance: 16Ω or more
Output Level: 100 mW MAX (at 32Ωload)
CROSSTALK
: 70dB or more @1kHz
S/P DIF OUT
Connector: Optical
Format: IEC 60958 (S/P DIF)
<GENERAL>
DC IN
FOOT SWITCH
Connector: ø6 mm Phone Jack
: DC9V, 650 mA (the Center Positive), AD-9B
DIMENSIONS
: 254 (W) x 50 (H) x 186 (D) mm
<OTHERS>
EQUALIZER
WEIGHT
HI (Shelving Type): 10kHz, +/-18dB
LO (Shelving Type): 100Hz, +/-18dB
: Approx. 1.1 kg
* Specifications and appearance are subject to change
without notice for product improvement.
FREQUENCY RESPONCE
: 20Hz ~ 20kHz (TYPICAL)
27
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