MULTITASKER®
MANUAL PART NUMBER: 400-0197-006
MT110-103
8 X 8 MONO AUDIO
MATRIX SWITCHER CARD
USER’S GUIDE
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MULTITASKER
1.5 FCC NOTICE
PRECAUTIONS / SAFETY WARNINGS
1
·
This device complies with Part 15 of the FCC
Rules. Operation is subject to the following two
conditions: (1) This device may not cause
harmful interference, and (2) this device must
accept any interference received, including
interference that may cause undesired
operation.
Please read this manual carefully before using your
MT110-103 and keep it handy for future reference.
These safety instructions are to ensure the long life
of your MT110-103 and to prevent fire and shock
hazards. Please read them carefully and heed all
warnings.
1.1 GENERAL
·
This equipment has been tested and found to
comply with the limits for a Class A digital
device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable
protection against harmful interference when the
·
Qualified ALTINEX service personnel or its
authorized representatives must perform all
service.
1.2 HANDLING
equipment is operated in
a
commercial
·
Handle the MT110-103 carefully. Dropping or
jarring can damage the card.
environment. This equipment generates, uses,
and can radiate radio frequency energy and if
not installed and used in accordance with
instructions found herein, may cause harmful
interference to radio communications. Operation
of this equipment in a residential area is likely to
cause harmful interference in which case the
user will be required to correct the interference
at his own expense.
·
The MT110-103 contains components that are
sensitive to electrostatic discharge (ESD).
Always use ESD safety precautions when
touching the card.
·
·
To prevent fire or shock, do not expose this unit
to water or moisture. Do not place the
MT110-103 in direct sunlight, near heaters, or
heat-radiating appliances, or near any liquid.
Exposure to direct sunlight, smoke, or steam can
harm internal components.
·
Any changes or modifications to the unit not
expressly approved by ALTINEX, Inc. could void
the user’s authority to operate the equipment.
Do not pull any cables that are attached to the
MT110-103.
1.4 CLEANING
·
Clean only the connector area with a dry cloth.
Never use strong detergents or solvents such as
alcohol or thinner. Do not use a wet cloth or
water to clean the card. Do not clean or touch
any component or PCB.
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MULTITASKER
ABOUT YOUR MT110-103
2
TECHNICAL SPECIFICATIONS
3
Specifications are subject to change.
MT110-103
8X8 Mono Audio Matrix Switcher
FEATURES/
MT110-103
The MT110-103 is a Balanced Audio Matrix
Switching Card. This card allows any input to be
independently switched to any or all of the outputs.
All inputs and outputs can be wired for unbalanced
audio, or they can be wired for balanced audio
allowing longer cable runs and superior noise
resistance. Additionally, the MT110-103 has
variable gain for each output.
DESCRIPTION
GENERAL
Inputs
Input Connectors
Outputs
(4) 5-pin Terminal Blocks
Output Connectors
Compatibility
(4) 5-pin Terminal Blocks
Stereo or Mono Audio
As a “transparent” distribution amplifier, this card
utilizes AC coupling on its inputs for ideal signal
transfer characteristics. Switching is controlled with
easy-to-use ASCII commands from a control
system or computer connected to the RS-232 port
of a MultiTasker enclosure or from the keys
programmed on the front panel of the MultiTasker.
Each card uses two slots in a MultiTasker
enclosure, and all input and output connections are
accomplished via captive-screw terminal blocks.
Table 1. MT110-103 General
MECHANICAL
Enclosure Slots Required
Weight
MT110-103
2
1.0 lb (0.45 kg)
Black
Connector Panel
T° Operating
T° Maximum
10°C-35°C
0 to 50°C
Humidity
90% non-condensing
40,000 hrs
MTBF (calc.)
Although designated as an 8x8 matrix switcher, the
MT110-103 can be used in a variety of ways to
provide different capabilities. For example, one 8x8
card can handle mono audio while two 8x8 cards
handle stereo audio, or a single 8x8 card can be
used to create a 4x4 stereo audio matrix.
Table 2. MT110-103 Mechanical
ELECTRICAL
MT110-103
Input Signals
Max Level
0 dBu
Impedance
10kW
The HelpInside™ feature allows programmers to
have access to command structures and control of
the MT110-103 from any terminal using the [HELP]
command. In conjunction with ALTINEX’s unique
Audio Throughput
0 dB unbalanced,
6 dB balanced.
20 Hz to 20 kHz ±0.05 dB
Gain
command
structure,
HelpInside™
provides
Frequency Response
Output Signals
Level
easier-than-ever control of MultiTasker cards with
simple keyboard commands. No typing of long
keyboard strings is necessary.
1 Vp-p max.
Low – drives 600W
0 dB ±0.5 dB
Impedance
Gain
Power (from enclosure)
+6V
200 mA (1.2 W)
100 mA (0.6 W)
1.8W
-6V
Total Power
Table 3. MT110-103 Electrical
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MULTITASKER
PRODUCT DESCRIPTION
4
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MULTITASKER
APPLICATION DIAGRAMS
DIAGRAM 1: TYPICAL SETUP
5
MT 110-103
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MULTITASKER
DIAGRAM 2: INTERNAL VIEW
TERMINAL
BLOCKS
TERMINAL
BLOCKS
+
S/W
GAIN
IN1
IN2
IN3
IN4
IN5
IN6
IN7
IN8
OUT1
OUT2
OUT3
OUT4
OUT5
OUT6
OUT7
OUT8
_
MATRIX
SWITCHER
+
_
S/W
GAIN
+
_
S/W
GAIN
+
_
S/W
GAIN
+
_
S/W
GAIN
+
_
S/W
GAIN
+
_
S/W
GAIN
+
_
S/W
GAIN
MATRIX
CONTROL
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MULTITASKER
INSTALLING YOUR MT110-103
6
OPERATION
7.1 RS-232 CONTROL
The MT110-103
7
Step 1. Turn off power to the MultiTasker
enclosure.
has
many
advanced
Step 2. Slide the MT110-103 into an available slot
in the MultiTasker enclosure in order to
connect to the bus. Make sure that the
MT110-103 card fits into place. Secure
the card to the MultiTasker by tightening
the retainer screws located on the top and
bottom of the card.
remote-control capabilities accessible through
standard RS-232 communication. Control may be
accomplished through a computer, control system,
or any device capable of RS-232 communication.
7.1.1 RS-232 INTERFACE
The control commands for the MT110-103 are in
a simple ASCII character format.
Step 3. Connect audio cables from the audio
sources to the input connectors of the
1. Square brackets “[ ]” are part of the
command.
MT110-103.
Connect
the
output
connectors of the MT110-103 to the audio
equipment through high-quality audio
cable.
2. Use uppercase letters for all commands.
3. Spaces are not legal characters.
Step 4. Starting from the left, identify the slot
number where the MT110-103 card is
plugged into the enclosure and note that it
is for RS-232 control.
The cards in a MultiTasker are capable of
performing various functions, as well as
providing feedback to the user or control
system. Commands instruct a card to perform
specific actions or request information from the
card. Some commands do both simultaneously.
Step 5. Turn on power to the MultiTasker
enclosure.
A command that instructs the card only to
perform an action will generate feedback of “[ ]”.
The open bracket immediately followed by a
closed bracket indicates the card received a
valid command. If the command requested
information from the card, the feedback
generated by the card is the acknowledgement
of having received a valid command. Invalid
commands generate feedback that includes
“ERR” plus an error code.
Step 6. The LED on the card panel will turn red
indicating that the card is in full operation.
Example 1: [ERR001] Error number
Example 2: [ERRC04] Card error C4
After processing a command, an “OK” or error
will be returned as feedback if “F” is included at
the end of a command string.
Commands ending in “S” will be saved into
memory. Commands not ending in “S” will still
be executed, but will not be restored when the
system is reset or powered off, then on.
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MULTITASKER
7.2 DESCRIPTION OF COMMANDS
COMMAND ORGANIZATION
Each command consists of three parts:
Function, Card ID, and Unit ID.
The RS-232 commands in this section are
organized into the following 5 categories:
[ Function , Card ID , Unit ID ]
Basic Commands
Feedback Control
Card Control
Example: [VERC3U2]
VER = Function
Volume Ramping Controls
Card IDs
C3
U2
= Card ID or Group ID
= Unit ID (optional for Unit ID 0)
Groups
For Function, see a detailed explanation under
each command description.
See the SUMMARY OF COMMANDS (Section 7.3)
for one-line descriptions of each command.
The card ID is a unique identifier. It is equal to
the enclosure slot number, or it may be an
assigned value. As the slot number, the value
can range from 1-4 up to 1-20 depending on the
enclosure. If the value is assigned, the ID may
be a maximum of 99. Card ID 0 (C0) is used for
the controller and cannot be reassigned.
BASIC COMMANDS
The basic commands are used to provide general
information about the card. These commands are
most useful during the initial stages of setting up
and operating the card.
1. [VER]
The group ID is a number representing a group
of cards defined with the [WR] command. When
using the group ID, all cards in the group will
perform the given instruction.
This command displays the software version
and card type for the card.
Command Format: [VERCn]
Cn = Card ID (n = # from 1 to max slots)
Example:
NOTE: In this guide, cards are referenced by
their IDs (C1, C2...C99). Typically, the ID
number will be equivalent to the slot number.
Groups will be referenced by their IDs (G1-G8).
Send the command [VERC4] to check the
version of the MT110-103 in slot 4. The system
will return the following feedback:
Changing the position of a card will significantly
affect the commands recorded on software
definitions or third-party control systems.
[MT110-103 690-0152-011 C04]
The unit ID has a range from U0 to U20. U0
should be used for single unit operation. If the ID
is set to U0, each command may be used
without Ui. Use the command [SETU0], as
explained in the MT101-101 User’s Guide.
MT110-103
690-0152-011 = software version
C04 = card ID
= model number
Example:
[VERC3]:
For U0
[VERC3Ui]: For ID other than U0
[VERC3]:
Equivalent to [VERC3U0]
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MULTITASKER
2. [C]
This command receives the status of the card.
Example:
If Input 1 is connected to all outputs, but only 1
through 4 are on, the feedback after sending the
command [C4S], for slot 4, would be similar to
the following:
Command Format: [Cn]
Cn = card ID (n = # from 1 to max slots)
Example:
CONFIGURATION:
Matrix:8x8, In-Offset=0, Out-Offset=0
There is an MT110-103 card in slot 4. Sending
the command [C4] to the MultiTasker will yield
feedback similar to the following:
CONNECTION
In01-Out01 ON
In01-Out02 ON
In01-Out03 ON
In01-Out04 ON
OUTPUT VOLUME
32/32
32/32
32/32
32/32
CONFIGURATION:
Matrix:8x8, In-Offset=0, Out-Offset=0
CONNECTION
In01-Out01 ON
In02-Out02 ON
In01-Out03 ON
In01-Out04 ON
In01-Out05 ON
In01-Out06 ON
In01-Out07 ON
In01-Out08 ON
OUTPUT VOLUME
32/32
In01-Out05 OFF 32/32
In01-Out06 OFF 32/32
In01-Out07 OFF 32/32
In01-Out08 OFF 32/32
[SAVED]
32/32
32/32
32/32
32/32
4. […S] – SAVE
32/32
This command saves the configuration
command being sent in memory. When sending
the command [I1O1C4S], after reset or power
up, Input 1 will be connected to Output 1 on C4.
This command only saves the Input 1 to
Output 1 connection above. In order to save all
the current settings, use the [CnS] command.
32/32
32/32
In this example, Input 1 is connected to all
outputs except for Output 2, which is connected
to Input 2. All outputs are turned on.
The volume level for each output is shown next
to its connection. The maximum level is 32 out
of 32 which is equal to a gain of one.
5. [CLR]
This command clears the card, restoring the
default settings. In this case, Input 1 to all
outputs, all outputs on and all input levels to
maximum.
If there is no card in slot 4, sending the [C4]
command will not return any feedback.
3. [CnS]
Command Format: [CLRCn]
Cn = Group ID (n = # from max slots)
Example:
This command saves the input to output
connections, on/off status and output volume
settings for each output. The saved
configuration will be restored after the system is
reset or powered off, then on.
Clear the card in slot 4 by sending [CLRC4]. The
card in slot 4 is now set to its default values.
Command Format: [CnS]
Cn = Card ID (n = # from 1 to max slots)
S
= Save configuration
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MULTITASKER
6. [TEST]
This command performs a series of tests on the
Example:
The command [HELPC4] is sent to the card in
slot 4. Some of the HELP file is displayed on the
screen, but most is missing. Send the command
[FBD1] to slow down the rate at which the card
sends feedback to the system.
internal memory of the card.
Command Format: [TESTCn]
Cn = Card ID (n = # from 1 to 99)
Example:
9. [?]
Test the internal memory of the MT110-103 in
slot 4 by sending [TESTC4]. The card will
respond with feedback similar to the following:
This command displays general information
about a MultiTasker and its installed cards.
Command Format: [?Ui]
Ui = Unit ID (i = from 0 to 20)
Example:
MEMORY IS GOOD
Otherwise, failures would be indicated in the
feedback from the card.
A MultiTasker with unit ID 1 has a front panel
with part number MT101-101 and contains an
MT103-122, MT103-123, and MT110-103. Send
the command [?U1] and receive the following
feedback:
7. [HELP]
This command displays information available for
the MultiTasker interface commands.
Command Format: [HELPCn]
Cn = Card ID (n = # from 1 to max slots)
Example:
[(MT101-101U1)(MT103-122C01)
(MT103-123C02)(MT110-103C04)]
MT101-101U1 = Panel number/unit ID
MT103-122C01 = MT103-122 is in slot 1
MT103-123C02 = MT103-123 is in slot 2
MT110-103C04 = MT110-103 is in slot 4
In order to display the RS-232 commands
available for the MT110-103 card in slot 4, send
the command [HELPC4]. The commands along
with a brief description will be displayed.
10. [?C]
FEEDBACK CONTROL
This command displays general information
about a card and its status.
The next commands are a function of both the card
and the front panel and allow flexibility over when
and how card information is displayed.
Command Format: [?Cn]
Cn = Card ID (n = # from 1 to max slots)
Example:
8. [FBD]
This command turns feedback delay on or off. It
is necessary when installing some newer cards
in older systems. If the system does not receive
all of the feedback from the card, the card may
be communicating too fast. This command will
slow down the card's communication rate.
The MT110-103 in slot 4 has Input 1 connected
to all outputs and all outputs are on. Send the
command [?C4] to receive feedback status
similar to the following.
[(MT110-103C04)(VR690-0152-011C04)
(ON11111111C04)(MA0101010101010101C04)
(MX8x8C04)(VO3232323232323232C04)
(MU0C04)]
Command Format: [FBDm]
m = Delay (0= no delay, 1= delay 100mS)
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MULTITASKER
All status feedback is enclosed in brackets, “[ ]“.
Each data field within the status is enclosed in
parentheses. The first two characters identify
the status type. The last three characters are the
card’s ID.
Command Format: [STA1]
Feedback Prefix Definitions:
MT Card model number
VR Firmware version
ONOutput on/off status
MAMatrix connections
MXMatrix configuration
VO Output volume
MT110-103
= Card model number
= Firmware version
= Output ON/OFF status
= Matrix connections
= Matrix configuration
= Output volume settings
= Mute status
VR690-0152-011
ON1111111
MA01010101...01
MX8x8C04
MUMute
VO323232...32
MU0C04
Example:
Command = [I1O*C4]
The ON/OFF status line is read from left to right
as Outputs 1-8. A "1" indicates the output is on
and a "0" indicates the output is off.
Feedback = (MA0101010101010101C04)
MA
0101...01 = Input 1 to all outputs
C04 = Card ID/slot number
= Matrix connections
The matrix connections are also read left to right
representing Outputs 1-8 and the input to which
each is connected. The first two digits show the
input number to which Output 1 is connected.
The third and forth digits are for Output 2 and so
on.
12. [STA0]
This command disables automatic feedback
from the card and front panel. The command
affects any card with auto-feedback capability,
not just the MT110-103 card. The default at
power on or reset is STA0, OFF.
The matrix configuration is the size of the matrix.
In this case, the matrix has 8 inputs and 8
outputs.
Command Format: [STA0]
13. […F] – FEEDBACK
The output volume settings are read left to right
representing Outputs 1-8 and the volume to
which each is set. The first two digits show the
volume level for Output 1. The third and forth
digits are for Output 2 and so on.
After processing a command, an “OK” or
“[ERR001]” will be returned as feedback if “F” is
included at the end of a command string.
11. [STA1]
This command enables automatic feedback
from the front panel. The command affects any
card with auto-feedback capability, not just the
MT110-103. The default at power on or reset is
STA0, off. For more details, see the [?Cn]
command definition.
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MULTITASKER
4 x 4
CARD CONTROL
INPUTS
OUTPUTS
1 a
Card control commands allow the main functions of
the card to be executed over the RS-232 bus, or
from the front panel’s programmable keys.
1 a
1 b
2 a
2 b
3 a
3 b
4 a
4 b
1 b
2 a
14. [MATmXy]
2 b
The matrix command allows the matrix switcher
to be setup for different matrix sizes. The
following tables show how the inputs and
outputs will be configured when the matrix is
changed. The input and output layouts are as
viewed from the front of the card.
3 a
3 b
4 a
4 b
2 x 2
Example:
INPUTS
1 a
OUTPUTS
1 a
In the 4x4 configuration, when Input 1 is
connected to Output 4, the entire channel, 1a
and 1b, will be switched to Outputs 4a and 4b
respectively.
1 b
1 b
1 c
1 c
1 d
1 d
Command Format: [MATmXyCn]
m = number of inputs (m = 8, 4 or 2)
y = number of outputs (y = 8, 4 or 2)
Cn = Card ID (n = slot # from 1 to max slots)
8 x 8
2 a
2 a
2 b
2 b
2 c
2 c
2 d
2 d
15. [ON]
INPUTS
OUTPUTS
This command will enable an output of a single
card, or a group of cards.
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
SINGLE CARD OPERATION
Command Format: [ONmCn]
m = Output No. (m = # from 1 to 8)
Cn = Card ID (n = # from 1 to max slots)
Example:
There is an MT110-103 card in slot 4. All of the
outputs on the card are off.
1) [ON1C4]: Turn on only Output 1 of the
MT110-103 card.
2) [ONC4]: Turn on all outputs of the
MT110-103 card.
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MULTITASKER
GROUP OPERATION
Example:
This command enables one or all outputs for all
cards in a group.
C4 has Output 1 turned on. The following
commands may be used to turn off the input.
Command Format: [ONmGk]
m = Output number (m = # from 1-8)
Gk = Group number (k = # from 1-8)
Example:
1) [OFF1C4]:
2) [OFFC4]:
Turn off only Output 1.
Turn off all outputs.
GROUP OPERATION
This command disables one or all outputs for all
cards in a group.
Turn on Output 1 for all cards in Group 1 by
sending [ON1G1]. See the GROUP commands
for a detailed explanation.
Command Format: [OFFmGk]
m = Output No. (m = # from 1-8, * for all)
Gk = Group ID (k = # from 1-8)
Example:
PATH OPERATION
The path for outputs on the same or multiple
cards may be preloaded. This will set the path
for the output, but it is not active until the switch
command, [SW], is executed. Commands
ending in “P” are not executed immediately.
1. [OFF1G1]: Turn off Output 1 for each card
in Group 1.
2. [OFFG1]: Turn off all outputs for each card
in Group 1.
Command Format: [ONmCnP]
PATH OPERATION
m = Output No. (m = # from 1 to 8)
Cn = Card ID (n = slot # from 1 to max slots)
This command will set the path for the output,
but it is not active until the switch command,
[SW], is executed. Commands ending in "P" are
not executed immediately. The path for outputs
on multiple cards or the same card may be
preloaded.
P
= Path
Example:
An MT110-103 card is in slot 4 and another in
slot 8. Enable Output 1 of C4 and Output 3 of
C8 simultaneously by sending the following:
Command Format: [OFFmCnP]
[ON1C4P]
[ON3C8P]
[SW]
m = Output (m = # from 1 to 8, * for all)
Cn = Card ID (n = # from 1 to max slots)
P
= Path
16. [OFF]
Example:
This command disables one or all outputs of a
single card or a group of cards.
There are two MT110-103 cards in slots 4 and
8. Disable Output 1 of C4 and Output 3 of C8
simultaneously using the following commands:
SINGLE CARD OPERATION
[OFF1C4P]
[OFF3C8P]
[SW]
Command Format: [OFFmCn]
m = Output No. (m = # from 1 to 8)
Cn = Card ID (n = # from 1 to max slots)
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MULTITASKER
17. [IO]
This command connects a single input to a
21. [OSI]
This command sets the input offset value that is
applied to all inputs. The default is zero, or
Input 1 equals Input 1.
single output in the current matrix configuration.
Command Format: [ImOxCn]
Command Format: [OSImCi]
m = Offset (m = # from 0 to 128)
Ci = Card ID (i = # from 1 to max slots)
Example:
m = Input (m= # from 1 to 8)
x
= Output (x = # from 1 to 8)
Cn = Card ID (n = slot # from 1 to max slots)
Example:
[OSI16C4] sets the input offset to 16 for C4. The
inputs on C4 will now be their physical number
plus the offset value. In this case, Input 1 would
now be Input 17.
Connect Input 1 to Output 1 for the MT110-103
in slot 4. Send the command [I1O1C4] and
Input 1 will be connected to Output 1.
18. [IO*]
22. [OSO]
This command connects a single input to all the
outputs in the current matrix configuration.
This command sets the output offset value that
is applied to all outputs. The default is zero, or
Output 1 equals Output 1.
Command Format: [ImO*Cn]
m = Input (m = # from 1 to 8)
Cn = Card ID (n = slot # from 1 to max slots)
Example:
Command Format: [OSOmCi]
m = Offset (m = # from 0 to 128)
Ci = Card ID (i = # from 1 to max slots)
Example:
Connect Input 1 to all outputs for the MT110-103
in slot 4. Send the command [I1O*C4] and
Input 1 will be connected to all outputs.
[OSO16C4] sets the output offset to 16 for the
C4. The outputs on C4 will now be addressed by
the value of their physical number plus the offset
value. In this case, Output 1 would now be
Output 17.
19. […P] – PATH
This command will set the path for the output,
but it is not active until the switch command,
[SW], is executed. Commands ending in ‘P’ are
not executed immediately. The path for outputs
on multiple cards or the same card can be
preloaded. See the examples for the [ON] and
[OFF] commands.
23. [VLO]
This command sets the absolute volume level
for a given output.
Command Format: [VLOmAvCn]
m = Output (m = # from 1 to 8)
20. [SW] – SWITCH
v
= Volume Level (v = # from 1 to 32)
This command immediately connects inputs and
outputs previously set with the PATH command.
The command switches all paths set on this
card and all other cards in the enclosure. See
the examples for the [ON] and [OFF]
commands.
Cn = Card ID (n = # from 1 to max slots)
Example:
There is an MT110-103 card in slot 4. Set the
output volume of Output 2 to 16 by sending the
command [VLO2A16C4].
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MULTITASKER
24. [SEL]
This command is the output select command. It
27. [MUT0]
This command turns on the all the outputs
without changing other settings.
sets the path to adjust the output volume level
for the current matrix. It is used in conjunction
with the [ + ] and [ - ] commands.
Command Format: [MUT0Cn]
Cn = Card ID (n = # from 1 to max slots)
Example:
Command Format: [SELmCn]
m = Output No. (m = # from 1 to 8)
Cn = Card ID/slot number
Example:
Send the command [MUT0C4] to enable the
outputs for C4.
28. [MUT1]
An MT110-103 is in slot 4. Adjust the volume on
Output 2. The current value is 10, but after
sending the following commands, a level of 15 is
obtained:
This command turns off all the outputs without
changing other settings.
Command Format: [MUT1Cn]
Cn = Card ID (n = # from 1 to max slots)
Example:
1. [SEL2C4]
The current output level is 10.
2. [ - ] [ - ] [ - ]
Send the command [MUT1C4] to mute all the
outputs for C4.
The level is now 7 and is too low.
3. [ + ] [ + ] [ + ] [ + ] [ + ] [ + ] [ + ] [ + ]
The level is now 15 and no further
adjustments are required.
VOLUME RAMPING COMMANDS
The following commands are used to control the
volume of the MT110-103. They may be used with
computer control or from the front panel with the
{SETVK} command. The following code sample
sets front panel keys 8 and 10 to Ramp Up and
Ramp Down respectively. See your Front Panel
User’s Guide for more details.
25. [ + ]
This command increments a selected property
to be adjusted from the keyboard or front panel.
Command Format: [ + ]
[+] = Increment level by one-step
Example:
When defined as a volume control key, the key will
respond to two conditions: press and release.
Below, subroutine 8 starts ramping up when key 8
is pressed. Subroutine 10 starts ramping down
when key 10 is pressed. Subroutine 108 stops
ramping when either key is released.
See the [SEL] command example.
26. [ - ]
This command decrements a selected property
to be adjusted from the keyboard or front panel.
Since there are multiple outputs on this card, the
output to ramp must first be selected using the
[SEL] command. For example, send [SEL2C4] and
then [RDNC4] to ramp down the volume level on
Output 2 of C4. Then, send the [SEL2C4] and
[RUPC4] commands to ramp the level back up.
Command Format: [ - ]
[-] = Decrement level by one-step
Example:
See the [SEL] command example.
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MULTITASKER
{WRS8=RUPC4}
{WRK8=8,108,0,0,0}
{WRS10=RDNC4}
//Ramp Up
31. [RUPm]
//Press= start, release= stop
//Ramp Down
This command ramps up the volume for the
specified output. The ramping continues to its
maximum level at the rate defined using the
[RAMP] command. The ramping may be
stopped at any time using the [RST] command.
{WRK10=10,108,0,0,0} //Press= start, release= stop
{WRS108=RSTC4}
{SETVK8}
//STOP RAMPING
Command Format: [RUPmCn]
Cn = Card ID (n = # from 1 to max slots)
m = Output No. (n = # from 1 to 8)
Example:
//Set key 8 as volume key
//Define Key 8 Label
//Set key 8 as volume key
//Define Key 8 Label
//Set the ramp rate.
{WRLK8=VOL_UP}
{SETVK10}
{WRLK10=VOL_DN}
[RAMP=10C4]
29. [RUP]
Ramp the volume for Output 2 from a starting
level of 10 to the maximum level of 32 for C4.
Send the command [RUP2C4] and the system
will respond with the following feedback:
This command ramps the output volume to its
maximum level at the rate defined using the
[RAMP] command.
[11][12][13][14]…[32]
32. [RUPm=xx]
Command Format: [RUPCn]
Cn = Card ID (n = # from 1 to max slots)
Example:
This command ramps a specified output’s
volume to a user defined level at a rate defined
using the [RAMP] command.
Ramp the volume on Output 1 from 10 to the
maximum of 32 for C4. Send the commands
[SEL1C4] then [RUPC4] and the system will
respond with the following feedback:
Command Format: [RUPm=xxCn]
m = Output No. (m = # from 1-8)
xx = Stop Level (xx = # from 01-32)
Cn = Card ID (n = # from 1 to max slots)
Example:
[11][12][13][14]…[32]
30. [RDN]
This command ramps the output volume down
to a level of 00 at a rate defined using the
[RAMP] command.
Ramp the volume on Output 7 from a starting
level of 1 to a level of 20 for C4. Send the
command [RUP7=20C4] and the system will
respond with the following feedback:
Command Format: [RDNCn]
Cn = Card ID (n = # from 1 to max slots)
Example:
[02][03][04]…[20]
33. [RDNm]
This command ramps down the volume for the
specified output. The ramping continues to its
minimum level at the rate defined using the
[RAMP] command. The ramping may be
stopped at any time using the [RST] command.
Ramp the volume on Output 1 from a starting
level of 32 down to 00 for C4. Send the
commands [SEL1C4] then [RDNC4] and the
system will respond with the following feedback:
[31][30][29]…[00]
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MULTITASKER
Command Format: [RDNmCn]
Cn = Card ID (n = # from 1 to max slots)
m = Output No. (n = # from 1 to 8)
Example:
35. [RST]
This command stops ramping and maintains the
last volume setting. It can be used as a
stand-alone command, or as a volume key on
the front panel. As a volume key, the ramping
action begins when the key is depressed and
then stops when the key is released. See the
code sample at the beginning of the volume
ramping section.
Ramp the volume for Output 8 from a starting
level of 32 down to 00 for C4. Send the
command [RDN8C4] and the system will
respond with the following feedback:
Command Format: [RSTCn]
Cn = Card ID (n = # from 1 to max slots)
Example:
[31][30][29]…[00]
34. [RDNm=xx]
This command ramps a specified output’s
volume down to a user defined level at a rate
defined using the [RAMP] command.
The card in slot 4 is ramping from 1 to 32 at a
rate of 32 steps in 18 seconds. Send the
command [RSTC8] and the card will stop
ramping. The last displayed volume setting will
remain the current volume level.
Command Format: [RDN=xxCn]
m = Output No. (xx = # from 1-8)
xx = Stop Level (xx = # from 00-32)
Cn = Card ID (n = # from 1 to max slots)
Example:
36. [RAMP]
This command displays the ramping time for 32
steps. The time between each step is equal to
the time in seconds divided by 32.
Ramp the volume for Output 8 from a starting
level of 32 down to 16 for C4. Send the
command [RDN8=16C4] and the system will
respond with the following feedback:
Command Format: [RAMPCn]
Cn = Card ID (n = # from 1 to max slots)
Example:
[31][30][29]…[16]
Display the ramp rate setting for the card in
slot 4 by sending the command [RAMPC4]. The
system will respond with feedback similar to the
following:
RAMPTIME = 6 SECONDS
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MULTITASKER
37. [RAMP=x]
ID COMMANDS
This command sets the ramp rate for 32 steps.
The range is from 4s to 18s, in 2s steps.
The default card ID is the same as the card slot
number. The next several commands allow the
user to change the card ID to a value other than the
slot number. Once the ID is changed, moving the
card to another slot will not change the card ID. If a
card in slot 4 is set to ID 1, then moved to slot 10,
its ID will remain 1. The [RSI] command forces
each installed card to take its slot number as its ID
number, regardless of the slot in which it is
installed.
Command Format: [RAMP=xCn]
x
= Rate in Seconds
4
6
8
= 0.13 seconds/step
= 0.19 seconds /step
= 0.25 seconds /step
10 = 0.31 seconds /step
12 = 0.38 seconds /step
14 = 0.44 seconds /step
16 = 0.50 seconds /step
18 = 0.56 seconds /step
Some cards require more than one slot in the
MultiTasker system. As an example, some matrix
switcher cards require 4 slots. If 5 of these cards
are installed, they would be numbered C4, C8,
C12, C16, and C20. Changing the ID allows the
user to define the cards as C1, C2, C3, C4, and C5.
Cn = Card ID (n = # from 1 to max slots)
Example:
Another use for changing the card ID is to be able
to use multiple systems without having to set each
unit to a different unit ID. All systems may be left as
unit ID 0 for ease of programming. The cards in the
first unit may be numbered 1-10 and in the second
unit 11-20.
Send the command [RAMP=16C4] to set the
ramp rate to 16 seconds. Ramping will occur at
a rate of 32 steps in 10 seconds, or 0.50
seconds per step. Confirm the setting by
sending [RAMPC4] and receiving the feedback:
RAMP TIME = 16 SECONDS
38. [RSI]
This command resets the card IDs in the
system. After sending this command, each card
ID in the system will match the slot number of
the card. If the card is moved to another slot, its
ID number will be the new slot number.
Command Format: [RSI]
Example:
Send the command [RSI] to the system with
Unit ID 0. The card in slot 1 will have ID 1, the
card in slot 2 will have ID 2, and so on. If the
card in slot 1 is then moved to slot 4, the card ID
will then be 4.
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MULTITASKER
39. [SIDn]
This command sets all the cards installed in the
Example:
There are two 20-slot enclosures to be
connected together during normal operation.
The first unit will use the default IDs where the
card ID is equal to the slot number. The second
unit will have the same unit ID, but each card ID
will be offset by 20.
MultiTasker system to the same card ID. After
sending this command, all cards will be
addressed with the same ID. Use caution when
sending this command to a system with multiple
board types.
Command Format: [SIDn]
Connect the computer to the second unit only
and send the command [SID+20] to set the ID of
all the cards in the second enclosure to their slot
number plus 20. Reconnect both units to the
computer.
n
= Card ID (n = # from 1 to 99)
Example:
Send the command [SID1] to the system. All the
cards in the system now have ID 1. Any
commands that are sent to card ID 1 will be
received and executed by each card.
The cards in the first unit will be referenced as
card IDs 1-20 and the cards in the second unit
will be referenced by card IDs 21-40.
40. [SIDnCi]
42. [RSN]
This command sets the card ID of a single card
to a number from 1 to 99.
This command displays the slot number of a
card with a specified ID number. If more than
one card has the same ID, each slot number will
be displayed.
Command Format: [SIDnCi]
n
= Card ID (n = # from 1 to 99)
Command Format: [RSNCi]
Ci = Card ID (i = # from 1 to 99)
Example:
Ci = Slot Number (i = # from 1 to max slots)
Example:
Send the command [SID50C10] to set the ID of
the card in slot 10 to an ID of 50.
The card in slot 4 takes up four slots in the
enclosure. Its ID was set to 1 since it is the first
card installed in the system, reading from left to
right. Send the command [RSNC1] to find the
slot number of this card. The system responds
with the following feedback:
41. [SID+]
This command sets the card ID of all the cards
in a system to their slot number plus the offset
value.
Command Format: [SID+n]
[4]
n = Offset amount (n = # from 0 to 99)
The maximum card ID is 99, so subtract
the highest slot number from 99 to find
the maximum offset. For example, in an
8-slot enclosure, the maximum offset
would be 91. The slot number (8) plus the
offset (91) equals 99.
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MULTITASKER
45. [RMG]
GROUP COMMANDS
This command deletes one or all groups.
Command Format: [RMGk]
Gk = Group ID (k = # from 1-8, * for all)
Example:
Group commands allow several cards with the
same functions to be controlled simultaneously with
a single command. Up to 8 groups (G1-G8) may be
defined. These commands apply to all cards, not
only the MT110-103.
43. [WR]
Remove all cards from G52 by sending [RMG5].
The system will return the following feedback:
This command adds cards to a group. In
MultiTasker systems with audio and video cards,
the groups are typically as follows:
[G5=0]
Example 2:
Group 1 = Video Cards
Remove all cards from all groups, effectively
deleting all groups, by sending [RMG*]. The
system will return the following feedback:
Group 2 = Audio Cards
Group 3 = Video and Audio Cards
Command Format: [WRCn1Cn2…Gk]
Cn = Card ID (n = slot # from 1 to max slots)
Gk = Group ID (k = # from 1-8)
Example:
G1-G8: EMPTY
46. [RD]
This command reads and then displays the
members in a group.
Command Format: [RDGk]
Gk = Group ID (k = # from 1-8)
Example:
Add C2, C4, and C6 to G5 by sending the
command [WRC2C4C6G5]. After executing this
command, G5 will consist of C2, C4, and C6.
Now add C8 to G5 by sending [WRC8G5]. C8 is
added to G5, and G5 is not overwritten. View
the contents of G5 by sending [RDG5] and
receiving the following feedback:
C2, C4, and C6 make up G5. Read the member
data for G5 by sending the command [RDG5].
The system will return feedback as follows:
[G5=C2C4C6]
[G5=C2C4C6C8]
The feedback shows G5 and then the cards that
make up G5. In this case, G5 includes C2, C4,
and C6.
44. [RMC]
This command removes one or more cards from
a group.
Command Format: [RMCn1Cn2…Gk]
Cn = Card ID (n= # from 1 to max slots)
Gk = Group ID (k = # from 1-8)
Example:
G5 consists of C2, C4, C6, and C8. Remove C6
and C8 by sending [RMC6C8G5]. View the
contents of G5 by sending [RDG5] and receiving
the following feedback:
[G5=C2C4]
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MULTITASKER
7.3. SUMMARY OF COMMANDS
Basic Commands
Volume Ramping Commands
29) [RUP]
30) [RDN]
Ramp UP to maximum
1) [VER]
2) [C]
Display software version
Ramp DOWN to minimum
Display card status
31) [RUPm] Ramp UP to maximum
32) [RUPm=] Ramp UP to a value
33) [RDNm] Ramp DOWN to minimum
34) [RDNm=] Ramp DOWN to a value
3) [CnS]
4) […S]
5) [CLR]
6) [TEST]
7) [HELP]
Save card settings
Save the command being sent
Reset card to default values
Test internal memory ICs
Display available commands
35) [RST]
Stop ramping
36) [RAMP] Display ramp rate
37) [RAMP=] Set ramp rate
ID Commands
Feedback Commands
8) [FBD]
9) [?]
Feedback delay on/off
Show system cards
38) [RSI]
Reset Card IDs
Set all Card IDs
10) [?C]
Show card information
Enable auto feedback
Disable auto feedback
Show command feedback
39) [SIDn]
11) [STA1]
12) [STA0]
13) […F]
40) [SIDnCi] Set one Card ID
41) [SID+]
42) [RSN]
Set Card ID offset
Read Card slot number
Card Control Commands
Group Commands
14) [MAT]
15) [ON]
16) [OFF]
17) [IO]
Set/show matrix configuration
43) [WR]
Groups multiple cards
Turn on one or more outputs
Turn off one or more outputs
Connect an input to output
Connect an input to all outputs
Set the path, preload for [SW]
Switch preloaded output buffer
Set input offset
44) [RMC] Remove members from group
45) [RMG] Delete group
46) [RD]
Displays group members
18) [IO*]
19) […P]
20) [SW]
21) [OSI]
22) [OSO]
23) [VLO]
24) [SEL]
25) [ + ]
Set output offset
Set absolute output volume
Select input volume to adjust
Increment volume
26) [ - ]
Decrement volume
27) [MUT0]
28) [MUT1]
Output volume ON
Output volume OFF
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MULTITASKER
7.4 MENU MODE
2. In the Terminal Window, press the ENTER
key on the keyboard.
Menu Mode commands allow virtually the same
functionality as programming commands. Unlike
the programming commands in the previous
sections, menu commands prompt the user to
select from a list of available options. The system
then responds based upon selections made by the
user.
3. The system checks all MultiTaskers on the
RS-232 bus and displays a list of available
systems.
Example:
1: U1
2: U2
3: U3
7.4.1 MENU COMMAND DEFINITIONS
4. Enter the ID number of the desired system.
In the example above, enter a “1” for the
MultiTasker with unit ID 1.
Refer to section 7.2 for details on card functions
and examples. Following is a cross-reference of
menu mode sections versus programming
commands.
5. The system then interrogates all the cards
available in its enclosure and displays a list
of available cards.
MENU
Control
Select
COMMAND
Example:
01: MT103-122
02: MT103-123
04: MT110-103
[WR]
[CnS]
[CLR]
Save
6. Enter the 2-digit ID and a menu for the card
will be displayed. In the example above,
enter “04” for the MT110-103.
Clear
On/Off
In-Out
[MUT0], [MUT1], [OFF], [ON]
[IO], [IO*]
7. The system will prompt for selections
specific to the selected card.
[VOL], [RUP], [RDN], [RST],
[RAMP]
[MUT1], [MUT0], [ON], [OFF]
Volume
Mute
8. Read each menu carefully, and continue
selecting keys as prompted.
Setup
NOTE: Menus for data entry have two
prompts: “Key=” and “ESC” (escape). Press the
escape key to return to the previous menu
without making changes.
Set Group
Matrix
[WR]
[MAT]
Offsets
[OSI], [OSO]
[RAMP]
[VER], [C]
[HELP]
Ramp Time
7.4.3 MENU TYPES
Status
Help
1. MAIN MENU
The first menu displayed after selecting the
card is the Main Menu. This menu provides
access to the key functions related to the
card. Press the key representing the menu
item for access and a sub-menu will appear.
7.4.2 USING MENU MODE
Do NOT press any keys except those relating to
the current menu. If you press the ENTER key
after entering a letter or digit, the original list of
systems will be displayed.
2. SUB-MENUS
Each menu item will display either a
sub-menu, or a list of options. Press the key
corresponding to the desired choice.
1. In order to enter Menu Mode, the system
needs to be connected to a computer
running RS-232 control software.
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MULTITASKER
7.4.4 MT110-103 MENUS
1. Switch Input 2 to Output 1
Following are the menu items available on the
MT110-103’s Main Menu. The expanded menu
contains values that indicate the current setting
or value of a parameter. The value is usually in
parentheses, or otherwise indicated at the top of
Follow the keystrokes below to connect Input 2
to Output 1.
Enter
1
List available systems
Select unit ID 1
04
1
5
02
01
S
Select MT110-103 in slot 4
Select CONTROL Menu
Select IN-OUT control
Enter Input 02
Enter Output 01
Show new status
a sub-menu.
In some cases, additional
comments are provided for clarification and are
not part of the menu feedback.
CAUTION: Pay special attention to the top of
each menu. After selecting the CONTROL
menu, THIS CARD or a group will be identified
at the top of the sub-menu. Since group
functions may be modified from this menu, make
sure the desired card or group is selected.
ESC
ESC
Return to CONTROL Menu
Return to the MAIN Menu
2. Set Ramp Time
MT110-103 MAIN MENU
PRESS KEY TO SELECT
Start from the Main Menu and set the ramp time
to 10 seconds. Follow the keystrokes below.
2
5
4
ESC
ESC
Select SETUP Menu
Select Set Ramp Time
Select Ramp Time = 10 seconds
Return to SETUP menu
Return to the MAIN Menu
1: CONTROL
2: SETUP
3: STATUS
4: HELP
3. Display Card Status
ESC: GO BACK
KEY =
Start from the Main Menu and follow the
keystrokes below.
7.4.5 MENU MODE EXAMPLES
3
Displays card status
All Menu Mode examples assume an
MT110-103 is installed in slot 4 of unit ID 1.
NOTE: The status will be displayed, followed
by the Main Menu being redisplayed.
NOTE: The communication software you use
may echo each character as it is typed
when entering numeric values (not
selecting menu items). For example,
entering a value of 03 may appear as
0033 on the screen.
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MULTITASKER
Cause 2: The proper input card may not be
selected.
TROUBLESHOOTING GUIDE
8
We have carefully tested and have found no
problems in the supplied MT110-103; however, we
would like to offer suggestions for the following:
Solution: Select the card input that is used, by
RS-232 accessible commands in
section 7. If no sound is present, see
Cause 3.
8.1 LED IS NOT LIT
Cause 1: Card cage is not plugged in.
Cause 3: Cable
connections
to
the
destination are incorrect.
Solution: Plug card cage in. If the LED lights,
the problem is solved. If the LED is
still not on, see Cause 2.
Solution: Make sure that cables are
connected properly. Also, make sure
that the continuity and wiring are
good. If there is still no sound
present, see Cause 4.
Cause 2: Card is not plugged in all the way.
Solution: Push the card in all the way. If the
LED is still not on, see Cause 3.
Cause 4: The destination amplifier has a
problem.
Cause 3: Card cage slot has a problem.
Solution 1: Test the card in other slots of the
card cage. If the slot was damaged,
the card may work in other slots. If
other slots work and the LED lights,
the problem is the card cage slot.
The card cage may require service.
Call ALTINEX at (714) 990-2300. If
the other slots do not work and the
LED is still not lit, see Solution 2.
Solution 1: Make sure that the destination
amplifier is powered. If there is still
no sound, see Solution 2
Solution 2: Set the volume of the destination
amplifier to a reasonable level. If
there is still no sound, call ALTINEX
at (714) 990-2300.
8.3. DISTORTED SOUND
Solution 2: Take any other known good card
with an LED and verify that the slot
used is good by seeing if the other
card’s LED lights in that slot. If it
lights, then the original card may be
the source of the problem. Call
ALTINEX at (714) 990-2300.
Cause 1: The source level is above 1Vp-p
Solution: Make sure that the source level is
below 1V p-p. If the sound is still
distorted, see Cause 2.
Cause 2: The destination amplifier provides
excessive amplification.
8.2. NO SOUND
Solution 1: Make sure that the source signal
level is high enough so that the
destination amplifier does not have
to provide excessive amplification
and thereby distort the signal. If
there is still sound distortion, see
Solution 2.
Cause 1: The source has a problem.
Solution: Check the source and make sure
that it is working at an appropriate
volume level and all source
connections are correct. If the
source is working and there is still
no sound, see Cause 2.
Solution 2: Call ALTINEX at (714) 990-2300.
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MULTITASKER
8.5. SOUND LEVEL IS LOW
ALTINEX POLICIES
9
Cause 1: Volume levels are inappropriate.
9.1 LIMITED WARRANTY/RETURN POLICIES
Solution 1: Turn up the source volume. If sound
level is still low, see Solution 2.
Please see the ALTINEX website at
www.altinex.com for details on warranty and
return policies.
Solution 2: Turn up the destination amplifier
volume. If the sound level is still low,
see Cause 2.
9.2 CONTACT INFORMATION
ALTINEX, Inc.
Cause 2 Poor signal transmission.
592 Apollo Street
Solution: Check the cables for continuity and
make sure that connections are
wired properly to verify that there is
good signal transmission.
Brea, CA 92821 USA
TEL: 714 990-2300
TOLL FREE: 1-800-ALTINEX
WEB: www.altinex.com
E-MAIL: [email protected]
NOTE: Test the system by removing
the MT110-103 card from
between the source and the
destination amplifier. If the
problem
persists,
call
ALTINEX at (714) 990-2300.
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