Altinex Music Mixer MT109 102 User Manual

MULTI-TASKER™  
MANUAL PART NUMBER: 400-0343-003  
MT109-102  
3 IN 1 OUT AUDIO/MIC MIXER  
FOR MULTI-TASKER™  
USER’S GUIDE  
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MULTI-TASKER™  
·
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 equipment is operated in a commercial  
environment. This equipment generates, uses,  
and can radiate radio frequency energy and, if  
not installed and used in accordance with the  
instruction manual, 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 their expense.  
PRECAUTIONS / SAFETY WARNINGS ....... 1  
Please read this manual carefully before using  
your MT109-102. Keep this manual handy for  
future reference. These safety instructions are to  
ensure the long life of your MT109-102 and to  
prevent fire and shock hazard. Please read them  
carefully and heed all warnings.  
1.1 GENERAL  
·
Qualified ALTINEX service personnel, or their  
authorized representatives, must perform all  
service.  
·
To prevent fire or shock, do not expose this unit  
to rain or moisture. Do not place the MT109-102  
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.  
·
·
·
Handle the MT109-102 carefully. Dropping or  
jarring can damage the card.  
Do not pull the cables that are attached to the  
MT109-102.  
Insert the card carefully into the slots of the  
Multi-Tasker™ without bending any edges.  
1.2 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.  
1.3 FCC / CE NOTICE  
·
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.  
400-0343-003  
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MULTI-TASKER™  
ABOUT YOUR MT109-102  
2
TECHNICAL SPECIFICATIONS  
3
FEATURES/DESCRIPTION  
GENERAL  
Inputs  
MT109-102  
MT109-102  
3 in 1 out Audio Mixer Card  
The MT109-102 is a Stereo Audio Mixer Card.  
When installed in the Basic Enclosure  
(MT100-100), this card allows connection of up to  
three line level balanced or unbalanced  
microphone inputs.  
Input Connectors  
(3) Terminal Blocks  
Balanced/Unbalanced  
Microphone Input  
Balanced/Unbalanced  
Microphone Input  
Input 1  
Input 2  
Input 3  
Balanced/Unbalanced  
Microphone Input  
Mixing of inputs is controled via easy-to-use ASCII  
commands from a control system or computer  
connected to the RS-232 port of the MultiTasker™  
Basic Enclosure. The MT109-102 can accept  
balanced or unbalanced audio inputs and the  
output can be wired for either balanced or  
unbalanced audio output.  
Outputs  
Output Connector  
(1) Terminal Block  
Output  
Line Level  
Balanced/Unbalanced  
Compatibility  
Stereo or Mono Audio  
Through RS-232 control, the MT109-102 can be  
controlled to adjust the signal level of each input in  
16 steps. In addition the volume, treble and bass  
of the output amplifier can be adjusted in 16 steps.  
Table 1. MT109-102 General  
MECHANICAL  
Basic Enclosure Slots  
Required  
MT109-102  
One Slot  
All three inputs to the amplifier are mixing inputs  
and can be adjusted from 0db to –60db.  
Weight  
0.43 lb (0.19 kg)  
Black  
Connector Panel  
T° Operating  
T° Maximum  
Humidity  
Phantom Power +12V can be connected to the  
microphone input using a dip-switch located on the  
PCB.  
10°C-50°C  
75°C  
90% non-condensing  
55,000 hrs  
MTBF (calc.)  
Table 2. MT109-102 Mechanical  
ELECTRICAL  
MT109-102  
Input Signals  
Max Line Level Input  
Max microphone Input  
0 dBu (.7V p-p) 10k Ohms  
-65dBu (2-10mv) 47 Kohm  
10 Hz to 20 kHz  
Frequency Response  
(+/- 0.5 dB)  
Noise Floor  
-97 dB @ 20 kHz  
Table 3. MT109-102 Electrical  
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MULTI-TASKER™  
DESCRIPTION OF MT109-102  
4
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MULTI-TASKER™  
APPLICATION DIAGRAM  
DIAGRAM 1: TYPICAL SETUP  
5
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MULTI-TASKER™  
DIAGRAM 2: INTERNAL VIEW  
AUDIO  
INPUTS TB  
AUDIO  
OUTPUT  
PHANTOM  
POWER  
POWER  
SUPPLY  
MP  
CONTROL  
SW5  
M+  
SW4  
M-  
MIC  
SW1  
LINE/MIC  
INPUT1  
S/W  
GAIN  
BALANCED  
VOLUME  
SW7  
M+  
BASS  
TREBLE  
SW6  
M-  
FIXED MIX LINE  
LEVEL OUTPUT  
OR  
MIC  
SW10  
SW2  
S/W  
GAIN  
LINE/MIC  
INPUT2  
BALANCED  
S/W  
GAIN  
S
ADJUSTABLE  
MIX LINE  
LEVEL OUTPUT  
TERMINAL  
BLOCK  
SW9  
M+  
SW8  
M-  
MIC  
SW3  
LINE/MIC  
INPUT3  
S/W  
GAIN  
BALANCED  
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MULTI-TASKER™  
DIAGRAM 3: SWITCH POSITIONS  
INPUT1  
INPUT2  
INPUT3  
LINE OUTPUT  
PHANTOM  
POWER  
PHANTOM  
POWER  
OFF  
PHANTOM  
POWER  
OFF  
ON  
FIX  
ADJ  
LINE  
LINE  
LINE  
MIC  
MIC  
MIC  
OFF  
ON  
ON  
- + - +  
- + - +  
- + - +  
SW1 OFF ON  
SW2  
OFF ON  
SW3  
OFF ON  
ON  
SW4  
OFF  
ON  
OFF  
SW5  
ON  
SW6  
OFF  
ON  
SW7  
OFF  
ON  
OFF  
SW8  
ON  
SW9  
OFF  
OFF  
ON  
SW10  
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MULTI-TASKER™  
INSTALLING YOUR MT109-102  
6
OPERATION  
7.1 RS-232 CONTROL  
7
Step 1. Turn off the power to the Multi-Tasker™  
enclosure.  
When used in the Multi-Tasker™ Enclosure, the  
MT109-102 has many advanced remote control  
capabilities, which are accessible through standard  
RS-232 communication. The actual controlling can  
be accomplished through a computer control  
system or any other device capable of sending  
RS-232 commands.  
Step 2. Slide the MT109-102 into an available  
slot in the Multi-Tasker™ Basic Enclosure  
in order to connect to the bus. Make sure  
that the MT109-102 card fits into place.  
Step 3. Secure the card to the Multi-Tasker™ by  
tightening the retainer screws located on  
the top and bottom of the MT109-102  
card.  
7.1.1 RS-232 INTERFACE  
The RS-232 commands, for the MT109-102 are  
in a simple ASCII character format.  
Step 4. Turn the Multi-Tasker™ system power  
back on.  
1. Square brackets “[ ]” are part of the  
command.  
Step 5. The LED on the card panel will turn red  
indicating that the card is in full operation.  
2. Use uppercase letters for all commands.  
Step 6. Connect audio cables from the audio  
After processing a command, an OK or ER will  
be returned as feedback if "F" is included at the  
end of a command string.  
source to the input connector of the  
MT109-102.  
Connect  
the  
output  
connectors of the MT109-102 to the  
audio equipment through an audio cable.  
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.  
Step 7. Starting from the left, identify the slot  
number where the MT109-102 card is  
plugged into the Enclosure and note that  
it is for RS-232 control.  
7.2 DESCRIPTION OF COMMANDS  
Each command consists of three parts:  
Function, Card ID, and Unit ID.  
[ Function , Card ID , Unit ID ]  
Example: [VERC3U2]  
VER = Function  
C3 = Card ID or Group ID  
U2 = Unit ID  
For Function, see a detailed explanation under  
each command description.  
The Card ID is an assigned value. It is equal to  
the enclosure slot number in which the card is  
installed. The value can range from 1 to 4 up to  
1 to 20 depending on the enclosure.  
Card ID 0 (C0) is used for the controller. See  
the MT100-100 User’s Guide for details.  
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MULTI-TASKER™  
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.  
Example:  
There is one MT109-102 card in slot #4.  
Sending the command [C4] to the  
Multi-Tasker™ will display feedback similar to  
the following:  
Changing the position of a card will significantly  
affect the commands recorded on software  
definitions or third party control systems.  
In1Vol=16/16  
In2Vol=16/16  
In3Vol=16/16  
OutVol=16/16  
Bass =08/16  
Treble=08/16  
Loudness:OFF  
The Unit ID has a value from 0 to 9. Unit ID 0  
should be used for single unit operation. If the  
Unit ID is set to zero, each command may be  
used without Ui. Use the command [SETU0],  
as explained in the MT100-100 User’s Guide.  
Example:  
The status shows the input volume settings, in  
this case 16 out of 16, the output volume, the  
bass and treble levels and that the loudness  
feature is turned off.  
[VERC3]:  
[VERC3Ui]: For Unit ID other than Zero  
[VERC3]: Equivalent to [VERC3U0]  
1. [VER]  
For Unit ID Zero  
If there is no card in slot #4, sending the [C4]  
command will not return any feedback.  
3. [CnS]  
This command displays the software version  
and card type for the MT109-102 card.  
This command saves the card volume settings.  
This configuration will be restored after the  
system is reset or powered off then on.  
Command Format: [VERCnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Command Format: [CnSUi]  
Cn = Card ID (n = # from 1 to max slots)  
S
= save configuration  
An MT109-102 card is in slot #4. Send the  
command [VERC4], and the Multi-Tasker™  
Enclosure will return the following feedback:  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
MT109-102 690-0133-008  
There is an MT109-102 in slot #4. All volume  
levels are set to the maximum of 16. The bass  
and treble levels are set to 08. Save the  
settings of the card by sending the command  
[C4S]. The feedback will be as follows:  
MT109-102 = the card model  
690-0133-008= the software version  
2. [C]  
In1Vol=16/16  
In2Vol=16/16  
In3Vol=16/16  
OutVol=16/16  
Bass =08/16  
Treble=08/16  
Loudness:OFF  
This command receives the status of the card.  
Command Format: [CnUi]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Card Status Saved  
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MULTI-TASKER™  
4. [?CnUi]  
This command will return general information  
5. [?Ui]  
This command will return general information  
about the Multi-Tasker™ and cards installed in  
the unit.  
about the card and its status. It is a function of  
both the card and the front panel and is only  
available with Multi-Tasker™ Front Panel  
systems that have the following firmware:  
Command Format: [?Ui]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = from 0 to 9)  
Example:  
690-0122-015  
690-0123-004  
690-0124-018  
= Version 015 or later.  
= Version 004 or later.  
= Version 018 or later.  
NOTE: In MTSetup™, send the command  
[VER] from the Terminal Window. The system  
will respond with feedback similar to the  
following:  
A Multi-Tasker™ with ID #0 has a front panel  
with part number MT101-102 and contains an  
MT109-102. Send the command [?] and receive  
the following feedback:  
[690-0122-015 690-0123-004 690-0124-018]  
[+MT101-102U0+MT109-102C04]  
Check the last three digits against the numbers  
above to determine if the option is available.  
MT101-102U1 = Panel Number and Unit ID  
MT109-102C04 = An MT109-102 is in slot 4.  
Command Format: [?CnUi]  
6. [STA]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = from 0 to 9)  
This command enables/disables automatic  
feedback from the front panel. The command  
affects any card with auto-feedback capability,  
not just the MT109-102. The default at power  
on or reset is STA0, OFF.  
The MT109-102 is in slot #4. Send the  
command [?C4] to receive the feedback status.  
Each status field begins with a '+' and ends with  
the card slot number (ex: C04). The feedback  
will be similar to the following:  
Command Format [STA1] = ON  
Command Format [STA0] = OFF  
[+MT109-102C04+VR690-0133-008C04  
+VO16C04+VI161616C04+VB08C04+VT08C0  
4+VL01C04+VM0C04]  
Feedback Prefix Definitions:  
+VR = Firmware Version  
+VO = Output Volume  
+VI = Input Volume  
+VB = Bass Volume  
+VT = Treble Control  
+VL = Loudness Control  
+VM = Mute Control  
MT109-102  
= Card Type  
VR690-0133-008 = Firmware version  
VO16  
VI161616  
VB08  
VT08  
VL01  
VM0  
= Output Volume Level=16  
= Input volume levels  
= Bass level = 08 out of 16  
= Treble level = 08 out of 16  
= Loudness (00=ON, 01=OFF)  
= Mute (0=OFF, 1=ON)  
Example:  
Command = [VLOA12C04]  
Feedback = [+VO12C04]  
+VO = Output Volume  
The Input Volume status line is read from left to  
right as outputs one through three. Each  
volume level is 2 digits, in this case, each is set  
to 16.  
12 = Output volume level12  
C04 = Card slot number  
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MULTI-TASKER™  
Command Format: [SELImCnUi]  
7. […S] – SAVE  
m = Input (m = # from 1 to 3)  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
This command will save the configuration  
command being sent in memory.  
When  
sending the command [VLBA12C4S], after  
reset or power up, the bass level on C4 will be  
12 out of 16.  
8. […F] – FEEDBACK  
An MT109-102 is in slot #4. Adjust the volume  
on Input 2 by sending the command [SELI2C4]  
and then using the [+] and [-] commands.  
After processing a command, an OK or ER will  
be returned as feedback if "F" is included at the  
end of some command strings.  
11. [SELO]  
9. [ + ] and [ - ]  
This command sets the path to adjust the  
OUTPUT volume level. The output volume  
range is 00 to 16 and is adjustable using the [+]  
and [-] commands or the Volume Ramping  
commands.  
These commands allow a selected property to  
be adjusted from keyboard commands or  
programmed front panel buttons.  
Command Format: [ + ], [ - ]  
[+] = Increment level by one step  
[-] = Decrement level by one step  
Example:  
Command Format: [SELOCnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example 1:  
Select the Output Volume command for the  
card in slot #4. The current Output Volume level  
is 10, but it is not the optimal value. After  
sending the following commands, an optimum  
volume level of 15 is obtained:  
An MT109-102 is in slot #4. Adjust the output  
volume by sending the command [SELOC4]  
and then using the [+] and [-] commands.  
Example 2:  
1. [SELOC4]  
The output volume may also be adjusted using  
key ramping commands. See the VOLUME  
RAMPING FEATURE section of this manual for  
details on using this feature.  
The current volume level is 10.  
2. [ ] [ ] [ ]  
The level is now 7 and is too low.  
12. [SELB]  
3. [+][+][+][+][+][+][+][+]  
The level is now 15 and no further  
adjustments are required.  
This command sets the path to adjust the bass  
level. The BASS level range is 00 to 16 and is  
adjustable using the [+] and [-] commands.  
10. [SELIm]  
Command Format: [SELBCnUi]  
This command sets the path to adjust the  
INPUT volume level. The input volume range is  
00 to 16 and is adjustable using the [+] and [-]  
commands.  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
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MULTI-TASKER™  
Example:  
Example:  
Set Input 2 volume level to a value of 8 for the  
An MT109-102 is in slot #4. Adjust the BASS on  
the output by sending the command [SELBC4]  
and then using the [+] and [-] commands.  
card in slot #4.  
[VLI2A8C4].  
Send the command  
16. [VLBA]  
13. [SELT]  
This command sets the output BASS level to an  
absolute level.  
This command sets the path to adjust the treble  
level. The TREBLE level range is 00 to 16 and  
is adjustable using the [+] and [-] commands.  
Command Format: [VLBAmCnUi]  
m = BASS Level (m = # from 0 to 16)  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Command Format: [SELTCnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
An MT109-102 is in slot #4. Adjust the TREBLE  
on the output by sending the command  
[SELTC4] and then using the [+] and [-]  
commands.  
Set the output BASS level of the MT109-102 in  
slot #4 to the maximum of 16 by sending the  
command [VLBA16C4].  
17. [VLTA]  
14. [VLOA]  
This command sets the output TREBLE level to  
an absolute value.  
This command sets the OUTPUT volume to an  
absolute value.  
Command Format: [VLTAmCnUi]  
m = TREBLE (m = # from 0 to 16)  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Command Format: [VLOAmCnUi]  
m = Volume Level (m = # from 0 to 16)  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Set the output TREBLE of the MT109-102 in  
slot #4 to a mid-range value of 8 by sending the  
command [VLTA8C4].  
Set the output volume to 16 for the MT109-102  
in slot #4. Send the command [VLOA16C4].  
15. [VLIxAm]  
18. [LOD0]  
This command sets an INPUT volume to an  
absolute level.  
This command disables the loudness feature.  
Command Format: [LOD0CnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Command Format: [VLIxAmCnUi]  
x
= Input Number (x = # from 1 to 3)  
m = Volume Level (m = # from 0 to 16)  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Turn OFF the Loudness feature of the  
MT109-102 in slot #4 by sending the command  
[LOD0C4].  
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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 and subroutine 10 starts ramping down  
when key 10 is pressed. Subroutine 108 stops  
ramping when either key is released.  
19. [LOD1]  
This command enables the loudness feature.  
Command Format: [LOD1CnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
{WRS8=RUPC4}  
{WRK8=8,108,0,0,0}  
{WRS10=RDNC4}  
//Ramp Up  
//Press= start, release= stop  
//Ramp Down  
Turn ON the Loudness feature of the  
MT109-102 in slot #4 by sending the command  
[LOD1C4].  
{WRK10=10,108,0,0,0} //Press= start, release= stop  
{WRS108=RSTC4}  
{SETVK8}  
{WRLK8=VOL_UP}  
{SETVK10}  
{WRLK10=VOL_DN}  
[RAMP=10C4]  
//STOP RAMPING  
//Set key 8 as volume key  
//Define Key 8 Label  
//Set key 8 as volume key  
//Define Key 8 Label  
//Set the ramp rate.  
20. [CLR]  
This command clears the card and resets it to  
its factory defaults. All volume levels are set to  
maximum, bass and treble are set to midrange,  
loudness is turned off and mute is turned off.  
21. [RUP]  
This command ramps the OUTPUT volume to  
its maximum level at the rate defined using the  
[RAMP] command.  
Command Format: [CLRCnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Command Format: [RUPCnUi]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Clear the MT109-102 in slot #4 by sending the  
command [CLRC4]. Send the status command  
after the clear command and receive the  
following feedback:  
Ramp the output volume from a starting level of  
10 to the maximum level of 16 for the card in  
slot #8. Send the command [RUPC8] and the  
system will respond with the following feedback:  
In1Vol=16/16  
In2Vol=16/16  
In3Vol=16/16  
OutVol=16/16  
Bass =08/16  
Treble=08/16  
Loudness:OFF  
[11][12][13]…[16]  
22. [RUP=xx]  
This command ramps the OUTPUT volume to a  
user defined level at a rate defined using the  
[RAMP] command.  
VOLUME RAMPING FEATURE  
The following 7 commands are used to control the  
output volume of the MT109-102. They may be  
used with computer control, but also are designed  
to be used with the {SETVK} command using keys  
on the Front Panel. 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.  
Command Format: [RUP=xxCnUi]  
xx = Stop Level (xx = # from 01-16)  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
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Example:  
25. [RST]  
Ramp the output volume from a starting level of  
1 to a level of 10 for the card in slot #8. Send  
the command [RUP=10C8] and the system will  
respond with the following feedback:  
This command stops ramping and maintains the  
last volume setting.  
Command Format: [RSTCnUi]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
[02][03][04]…[10]  
23. [RDN]  
This command ramps the OUTPUT volume  
down to a level of 1 at a rate defined using the  
[RAMP] command.  
The card in slot #8 is ramping from 1 to 16.  
Send the command [RSTC8] and the card will  
stop ramping the output volume. The last  
displayed volume setting will remain the current  
volume level.  
Command Format: [RDNCnUi]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
26. [RAMP]  
This command displays the ramping time for 16  
steps. The time between each step is equal to  
the time in seconds divided by 16.  
Ramp the output volume from a starting level of  
16 down to 1 for the card in slot #8. Send the  
command [RDNC8] and the system will respond  
with the following feedback:  
Command Format: [RAMPCnUi]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
[16][15][14]…[01]  
24. [RDN=xx]  
This command ramps the OUTPUT volume  
down to a user defined level at a rate defined  
using the [RAMP] command.  
Display the ramp rate setting for the card in slot  
#8 by sending the command [RAMPC8]. The  
system will respond with feedback similar to the  
following:  
Command Format: [RDN=xxCnUi]  
xx = Stop Level (xx = # from 01-16)  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
RAMPTIME = 6 SECONDS  
27. [RAMP=x]  
This command sets the ramp rate for 16 steps.  
The settings range from 4 to 18 seconds, in  
two-second intervals.  
Ramp the output volume from a starting level of  
16 down to 8 for the card in slot #8. Send the  
command [RDN=8C8] and the system will  
respond with the following feedback:  
[16][15][14]…[8]  
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Command Format: [RAMP=xCnUi]  
= Rate in Seconds  
29. [FBD]  
x
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.  
4
6
8
= 0.25 seconds/step  
= 0.38 seconds /step  
= 0.50 seconds /step  
10 = 0.63 seconds /step  
12 = 0.75 seconds /step  
14 = 0.88 seconds /step  
16 = 1.00 seconds /step  
18 = 1.13 seconds /step  
Command Format: [FBDmCnUi]  
m = Delay (0= no delay, 1= delay 100mS)  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = from 0 to 9)  
Example:  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
There is an MT109-102 in slot #5. Send the  
command [RAMP=16C5] to set the ramp rate to  
16 seconds. After this is set, any ramping will  
occur at a rate of 16 steps in 16 seconds, or 1  
second per step. Confirm the setting by sending  
the command [RAMPC5] and receiving the  
feedback:  
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 [FBD1C4] to slow down the rate at  
which the card sends feedback to the system.  
CARD ID COMMANDS  
RAMPTIME = 16 SECONDS  
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.  
28. [TEST]  
This command performs a test on the internal  
memory. Upon completion, the system will  
display the results. If there are no problems, the  
system will display the following:  
The ID commands work with all Multi-Tasker™  
Front Panel systems. However, front panels  
that have firmware releases prior to the  
following will not be able to address Card ID's  
greater than the number of slots in the system:  
MEMORY IS GOOD  
Otherwise, failures will be indicated.  
Command Format: [TESTCnUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
690-0122-019= Version 019 or later.  
690-0123-005= Version 005 or later.  
690-0124-019= Version 019 or later.  
NOTE: In MTSetup™, send the command  
[VER] from the Terminal Window. The system  
will respond with feedback similar to the  
following:  
There is an MT109-102 in slot #10. In order to  
test the internal memory, send the command  
[TESTC10].  
[690-0122-015 690-0123-005 690-0124-019]  
Check the last three digits against the numbers  
above to determine if the Card ID commands  
can address all 99 Card ID's.  
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MULTI-TASKER™  
Some cards require more than one slot in the  
Multi-Tasker™ system. As an example, some  
matrix switcher cards require 4 slots. If there  
are 5 of these cards installed, they would be  
numbered C4, C8, C12, C16 and C20.  
Changing the Card ID allows the user to define  
the cards as C1, C2, C3, C4 and C5.  
32. [SIDnCi]  
This command sets the Card ID of a single card  
to a number from 1 to 99.  
Command Format: [SIDnCi]  
n
= Card ID (n = # from 1 to 99)  
Ci = Slot Number (i = # 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 [SID50C10] to set the ID of  
the card in slot #10 to an ID of 50.  
33. [SID+]  
This command sets the Card ID of all the cards  
in a system to their slot number plus the offset  
value.  
30. [RSI]  
This command resets the card ID's in the  
system. After sending this command, each card  
ID in the system will match the slot number of  
the card. Use this command along with the SID  
commands that follow. The [RSI] command  
MUST be used prior to changing Card ID's once  
they have already been set.  
Command Format: [SID+n]  
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.  
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.  
Example:  
There are two, 20 slot enclosures to be  
connected together during normal operation.  
The first unit will use the Card ID defaults which  
are equal to their slot numbers. The second unit  
will have the same Unit ID, but will have the  
card ID's offset by 20.  
31. [SIDn]  
This command sets all the cards installed in the  
Multi-Tasker™ 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.  
Connect the computer to the second unit only  
and send the command [SID+20] to set the ID  
of all the cards in the enclosure to their slot  
number plus 20. Reconnect both units to the  
computer.  
Command Format: [SIDn]  
n
= Card ID (n = # from 1 to 99)  
The cards in the first unit will be referenced as  
Card ID's 1-20 and the cards in the second unit  
will be referenced by Card ID's 21-40.  
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.  
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If assigning group commands to button  
functions, it is best to use the "Press and Hold  
on Power Up" to make group settings.  
34. [RSN]  
This command reads the slot number of the  
card with a specified ID number, and returns  
the value to the system to be displayed in the  
terminal window. If more than one card has the  
same ID, each slot number will be displayed.  
Command Format: [WRCn1Cn2…GkUi]  
Cn = Card ID (n = slot # from 1 to max slots)  
Gk = Group number (k = # from 1-8)  
Ui = Unit ID (i = # from 0-9)  
Command Format: [RSNCi]  
Ci = Card ID (i = # from 1 to 99)  
Example:  
Example:  
To group cards 1, 2, and 3 as group 5 of  
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:  
Unit ID 1,  
send  
the  
command  
[WRC1C2C3G5U1]. After executing this  
command, cards 1, 2 and 3 will be grouped  
together as group 5 of Unit ID 1. The system  
will return the following feedback:  
G1=C1C2C3  
4
Now, when a command is sent to G1, each  
board in G1 will execute the same command.  
35. [HELP]  
This command displays information available  
for the Multi-Tasker interface commands.  
37. [RMC]  
This command may be used to remove one or  
more group members from a group. Reset the  
system after using this command for all  
changes to take effect.  
Command Format: [HELPCnUi]  
Cn = Card ID (n = # from 1 to max slots)  
Ui = Unit ID (i = # from 0 to 9)  
Example:  
Command Format: [RMCn1Cn2…GkUi]  
Cn = Card ID (n= # from 1 to max slots)  
Gk = Group number (k = # from 1-8)  
Ui = Unit ID (i = # from 0-9)  
Example:  
In order to display the RS-232 commands  
available for the MT109-102 card in slot #2,  
send the command [HELPC2]. The commands  
along with a brief description will be displayed  
in the Terminal Window.  
Group 1 consists of the cards located in slots  
numbered 1, 2, 3, 4 and 5. Remove just cards  
#4 and #5 from the group by sending the  
command [RMC4C5G1]. The system will return  
the following feedback:  
36. [WR]  
This command groups multiple cards in the  
enclosure allowing all the group members to be  
controlled simultaneously with the same  
command. Each unit may define a maximum of  
eight groups.  
G1=C1C2C3  
In Multi-Tasker™ systems with audio and video  
cards, boards are typically grouped as follows:  
Group 1 = Video Cards  
Group 2 = Audio Cards  
Group 3 = Video and Audio Cards  
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The cards in slots 1, 2 and 19 are part of  
group 5. Read the member data for group 5, by  
sending the command [RDG5]. The system will  
return feedback as follows:  
38. [RMG]  
This command may be used to delete an entire  
group, or all groups.  
REMOVE ONE GROUP MEMBERS  
G1=C1C2C19  
Remove all the members from the group,  
effectively deleting the group.  
The feedback shows G1 (Group 1) and then the  
cards that make up Group 1. In this case,  
Group 1 includes C1, C2 and C19.  
Command Format: [RMGkUi]  
Gk = Group number (k = # from 1-8)  
Ui = Unit ID (i = # from 0-9)  
Example:  
40. [CLRG]  
This command clears the members for a single  
group or for all groups. The clear command  
restores the cards to default settings and is the  
equivalent to sending the [CLR] command to  
each individual card.  
Group 1 consists of the cards located in slots  
number 1, 2 and 3. Remove all cards from the  
group by sending the command [RMG1]. The  
system will return the following feedback:  
NOTE: Since this command is sending the  
[CLR] command to its group members,  
each card will display its own reset  
message, if any.  
G1=EMPTY  
REMOVE ALL GROUPS  
Command Format: [CLRGkUi]  
Gk = Group ID (k = # from 1-8, or Ü for all)  
Ui = Unit ID (i = # from 0-9)  
Example:  
Remove all the members from every group,  
effectively deleting all groups.  
Command Format: [RMGÜ Ui]  
Ui = Unit ID (i = # from 0-9)  
Example:  
1) To clear group 1 of Unit ID 0, send the  
[CLRG1] command. This command clears  
the members for the specified group only.  
Group 1 consists of cards 1 and 2. Group 2  
consists of cards 1, 2, 3, 4 and 5. Delete all the  
groups by sending the command [RMGÜ ]. The  
system will return the following feedback:  
2) To clear all groups of Unit ID 1, send the  
[CLRGÜ U1] command.  
G1-G8:EMPTY  
41. [CLM]  
39. [RD]  
This command removes the members in a  
group and leaves the group empty. It is  
equivalent to sending the [RMGkUi] command  
without card references.  
This command reads and then displays the  
members in each group.  
Command Format: [RDGkUi]  
Gk = Group number (k = # from 1-8)  
Ui = Unit ID (i = # from 0-9)  
Example:  
Command Format: [CLMGkUi]  
Gk = Group number (k = # from 1-8)  
Ui = Unit ID (i = # from 0-9)  
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Example:  
18) [LOD0]  
Turn ON loudness feature  
Turn OFF loudness feature  
Reset card to default values  
Ramp volume UP to max (16)  
Ramp volume UP to a value  
Ramp volume DOWN to min (1)  
Ramp volume DOWN to a value  
Stop ramping  
Group 5 of Unit ID 1 contains the cards in slots  
1, 2 and 19. Read the member data for group 5  
of Unit ID 1. Send the command [RDG5U1]  
and receive the following feedback:  
19) [LOD1]  
20) [CLR]  
21) [RUP]  
22) [RUP=]  
23) [RDN]  
24) [RDN=]  
25) [RST]  
G1=C1C2C19  
Now, clear group 5 by sending the command  
[CLMG5U1]. Reread the member data as above  
and note the following feedback:  
G1=EMPTY  
26) [RAMP] Display ramp rate  
27) [RAMP=] Set ramp rate  
7.3 SUMMARY OF COMMANDS  
Card Commands  
28) [TEST]  
29) [FBD]  
30) [RSI]  
Test internal memory IC's  
1) [VER]  
2) [C]  
Receives software version  
Receives status of the card  
Save card settings  
Feedback delay on/off  
Reset Card ID’s  
3) [CnS]  
4) [?C]  
5) [?]  
31) [SIDn]  
Set all Card ID’s  
Show card information  
32) [SIDnCi] Set one Card ID  
33) [SID+n] Set Card ID offset  
Show system cards  
6) [STA]  
7) […S]  
8) […F]  
9) [ + ]  
[ - ]  
Enable/disable auto feedback  
Save the command being sent  
Show command feedback  
Increments and Decrements  
selected commands  
34) [RSN]  
Read Card slot number  
35) [HELP]  
Display available commands  
Group Commands  
36) [WR]  
Groups multiple cards  
37) [RMC] Remove members from group  
38) [RMG] Delete group  
10) [SELI]  
Select input volume to adjust  
11) [SELO] Select output volume to adjust  
39) [RD]  
Displays group members  
12) [SELB]  
13) [SELT]  
14) [VLO]  
15) [VLIm]  
16) [VLB]  
17) [VLT]  
Select to adjust bass level  
Select to adjust treble level  
Set absolute output volume  
Set absolute input volume  
Set absolute bass level  
40) [CLRG] Clears group members  
41) [CLM] Delete group  
Set absolute treble level  
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MENU  
Control  
Select  
COMMAND  
7.4 MENU MODE  
MENU MODE commands are RS-232 commands  
that allow virtually the same functionality as  
programming commands. Unlike the programming  
commands in the previous sections, 7.2 and 7.3,  
MENU commands prompt the user to select from a  
list of available options. The system then responds  
based upon selections made by the user.  
n/a  
[CnS]  
[CLR]  
Save  
Clear  
Volume  
Loudness  
Mute  
[VLOA], [VLBA], [VLTA], [+/-]  
[LOD0], [LOD1]  
[MUT0], [MUT1]  
Setup  
Group  
[WR], [CLM]  
MENU commands may be issued in response to  
prompts from within MTSetup™ or other RS-232  
communication software.  
Input Volume [VLImAn]  
Ramp Time [RAMP], [RAMP=]  
Status  
[VER], [C]  
The MENU driven commands are only available  
with Multi-Tasker™ Front Panel systems that have  
the following firmware:  
Help  
[HELP]  
[?], [?Ci], [CiS], [STA], […S],  
[...F], [FBD], [RUP], [RDN],  
[RST], [RSI], [RSNCi],  
[SIDn], [SIDnCi], [SID+n],  
[TEST], [RD], and [SEL]  
Not Available  
690-0122-015 = Version 015 or later.  
690-0123-004 = Version 004 or later.  
690-0124-018 = Version 018 or later.  
7.4.2 USING MENU MODE  
NOTE: In MTSetup™, send the command [VER]  
from the Terminal Window. The system will  
respond with feedback that is similar to the  
following:  
SUGGESTION: Before using menu mode, it is  
best to disable the automatic feedback feature.  
The values and current settings will be  
displayed in the menu mode, but the automatic  
feature will display after each setting change  
making the menus difficult to read.  
[690-0122-015 690-0123-004 690-0124-018]  
Check the last three digits against the numbers  
above to determine if the MENU MODE option is  
available.  
1. In order to enter MENU mode, the system  
needs to be connected to a computer  
running MTSetup™ or other RS-232 control  
software.  
7.4.1 MENU COMMAND DEFINITIONS  
Refer to section 7.2 for details on card functions  
and examples. Following is a table cross-  
reference of menu mode sections versus  
programming commands.  
2. Insert the card into an empty slot and push  
in all the way for a secure fit.  
3. Reset the system or power the system OFF  
and then ON.  
4. In MTSetup™, click the cursor in the  
Terminal Window and press the ENTER  
key.  
5. The system will interrogate the enclosure  
and return a list of cards installed and their  
slot locations.  
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Example: 08 (Slot 8): MT109-102  
7.4.4 MT109-102 MENUS  
NOTE: Only cards supporting the MENU  
feature will be displayed.  
Following are the menus available to the  
MT109-102. The first menu is the Main Menu  
only. The second listing is an expansion of all  
the menu items available.  
5. Find  
the  
alphanumeric  
characters  
representing the card whose setup requires  
changing. It will be the first one or two  
characters in the line.  
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 a sub menu.  
In some areas, additional comments are  
provided for clarification.  
6. Press the number or letter associated with  
the card, and a menu with options available  
for that card will appear on the screen. In  
the example above, press "08".  
System prompts requiring specific values for  
volume, card number etc… are not shown. See  
the examples following the menus for details.  
WARNING: Do NOT enter any characters  
except the one relating to the desired  
menu. Pressing ENTER or RETURN after  
"08" will force the system back to the  
original prompt.  
CAUTION: Pay special attention to the top of  
the CONTROL 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.  
7. After selecting the MT109-102 as described  
above, the system will prompt for selections  
specific to that card.  
8. Read each menu carefully, and continue  
selecting keys as prompted for further  
functions. (Example prompt: "Key= ")  
MT109-102 MAIN MENU  
PRESS KEY TO SELECT  
7.4.3 MENU TYPES  
1: CONTROL  
2: SETUP  
3: STATUS  
4: HELP  
1. MAIN MENU  
The first menu displayed after selecting the  
card is the Main Menu. This menu provides  
access to the main functions related to the  
card. Press the key representing the menu  
item for access. A sub menu will appear  
next.  
ESC: GO BACK  
KEY =  
2. SUB MENUS  
Each sub menu will display either another  
menu (sub menu) or a list of available  
options or settings. Press the key  
corresponding to the menu choice to  
change a setting or select the next menu.  
NOTE: Pressing the ESCAPE (ESC) key in  
most menus will take you up to the  
previous menu.  
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MT109-102 EXPANDED MENUS  
1. CONTROL: THIS CARD  
1: SELECT (Card/Group)  
5: LOUDNESS  
TURN LOUDNESS ON/OFF  
(Loudness=OFF)  
1: LOUDNESS ON  
2: LOUDNESS OFF  
CURRENT SELECTION: THIS CARD  
0: This Card  
1: Group 1  
2: Group 2  
3: Group 3  
4: Group 4  
5: Group 5  
6: Group 6  
7: Group 7  
8: Group 8  
ESC: GO BACK  
KEY=  
6: LOUDNESS  
TURN MUTE ON/OFF (Mute=OFF)  
1: MUTE ON  
2: MUTE OFF  
ESC: GO BACK  
KEY=  
ESC: GO BACK  
KEY =  
2: SETUP  
2: SAVE  
1: SET GROUP ID  
SAVE THIS SETTING?  
SET GROUP ID: (G2)  
1: YES  
2: NO  
1: ASSIGN GROUP ID  
2: DELETE GROUP ID  
KEY=  
3: CLEAR  
ESC: GO BACK  
RESET CARD TO FACTORY DEFAULT:  
KEY=  
2: SET INPUT VOLUME  
* Set Output Volume to maximum (16)  
* Set Input Volumes to maximum (16)  
* Set Bass Volume to Mid Range (8)  
* Set Treb Volume to Mid Range (8)  
* Set Loudness Off  
SET INPUT VOLUME:  
1: INPUT1 VOLUME (16/16)  
2: INPUT2 VOLUME (16/16)  
3: INPUT3 VOLUME (16/16)  
* Set Mute Off  
* Set Ramp Time to 6 SEC  
SELECT INPUT: ENTER A NUMBER, ESC:  
GO BACK  
1: YES  
2: NO  
KEY=  
KEY=  
4: VOLUME  
CHANGE VOLUME:  
1: OUTPUT VOLUME (16/16)  
2: BASS VOLUME (08/16)  
3: TREBLE VOLUME (08/16)  
ESC: GO BACK  
KEY=  
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3: SET RAMP TIME  
1. Select THIS CARD for control  
CURRENT RAMP TIME: 18 SEC  
Follow the keystrokes below to select Input 3 as  
the source input.  
1: 04 SEC  
2: 06 SEC  
3: 08 SEC  
4: 10 SEC  
5: 12 SEC  
6: 14 SEC  
7: 16 SEC  
8: 18 SEC  
Enter  
01  
List available cards  
Select MT109-102 in slot #1  
Select CONTROL Menu  
Select Card/Group Select  
Select This Card (card #1)  
Return to CONTROL Menu  
Return to the MAIN Menu  
1
1
0
ESC  
ESC  
ESC: GO BACK  
2. Set Input 3 Volume  
KEY=  
Starting from the Main Menu, set Input 3  
volume level to 16. Follow the keystrokes  
below.  
ESC: GO BACK  
KEY=  
3: STATUS  
2
2
3
16  
Select SETUP Menu  
Select Set Input Volume  
Select Input 3 Volume  
Enter 16  
NOTE The system may echo the 1  
and the 6 entries, depending  
on the settings.  
Equivalent to the [C] command.  
Returns the card status.  
4: HELP  
Equivalent to the [HELP] command.  
Displays a list of commands available for the  
MT109-102 along with a brief description.  
ESC  
ESC  
Return to SETUP  
Return to the MAIN Menu  
ESC  
Returns to the parent menu.  
3. Set Output Volume  
7.4.5 MENU MODE EXAMPLES  
Starting from the Main Menu, set the output  
volume level to 16. Follow the keystrokes  
below.  
All MENU MODE examples assume an  
MT109-102 is installed in slot #1. Start by  
clicking the mouse in the Terminal window.  
Press ENTER and a list of available cards will  
be displayed.  
1
4
Select CONTROL Menu  
Select VOLUME  
1
Select OUTPUT volume  
Press ‘1’ to increase volume level until  
16 is reached.  
111…  
NOTE When entering numeric values (not  
selecting menu items) the system may  
echo each character as it is typed. For  
example, entering a volume of 03 may  
appear as 0033 on the screen,  
depending on the settings of the control  
software.  
ESC  
ESC  
ESC  
Return to VOLUME Menu  
Return to CONTROL menu  
Return to the MAIN Menu  
400-0343-003  
23  
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MULTI-TASKER™  
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.  
4. Set Ramp Time  
Starting from the main menu, set the ramp time  
to 10 seconds. Follow the keystrokes below.  
2
Select SETUP Menu  
3
Select Set Ramp Time  
4
ESC  
ESC  
Select Ramp Time = 10 seconds  
Return to SETUP menu  
Return to the MAIN Menu  
8.2 NO SOUND  
Cause 1: The source has a problem.  
5. Display Card Status  
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.  
Starting from the Main Menu, follow the  
keystrokes below.  
3
Displays card status  
NOTE: The status will be displayed, followed  
by the Main Menu being redisplayed.  
Cause 2: The proper card input may not be  
selected.  
TROUBLESHOOTING GUIDE  
8
Solution: Select the card input that is used,  
by RS-232 accessible commands in  
section 7. If no sound is present,  
see Cause 3.  
We have carefully tested and have found no  
problems in the supplied MT109-102; however, we  
would like to offer suggestions for the following:  
8.1 LED IS NOT ON  
Cause 3: Cable  
connections  
to  
the  
Cause 1: Card cage is not plugged into  
power outlet.  
destination are incorrect.  
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.  
Solution: Plug card cage in. If the LED is ON,  
the problem is solved. If the LED is  
still not ON, see Cause 2.  
Cause 2: Card is not plugged in all the way.  
Cause 4: The destination amplifier has a  
problem.  
Solution: Push the card in all the way. If the  
LED is still not lit, see Cause 3.  
Solution 1: Make sure that the destination  
amplifier is powered. If there is still  
no sound, see Solution 2  
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 is  
ON, 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 2: Set the volume of the destination  
amplifier to a reasonable level. If  
there is still no sound, call ALTINEX  
at (714) 990-2300.  
400-0343-003  
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MULTI-TASKER™  
8.3 SOUND DISTORTION  
ALTINEX POLICY  
9.1 LIMITED WARRANTY/RETURN POLICY  
Please see the Altinex website  
9
Cause 1: Source level is above 0.7Vp-p.  
Solution1: Make sure that the source level is  
below 1V p-p. If the sound is still  
distorted, see Solution 2.  
at  
www.altinex.com for details on warranty and  
return policy.  
Solution 2: Call ALTINEX at (714) 990-2300.  
8.4 SOUND LEVEL IS LOW  
9.2 CONTACT INFORMATION  
ALTINEX, INC  
Cause 1: Volume levels are inappropriate.  
592 Apollo Street  
Solution 1: Turn up the source volume. If sound  
level is still low, see Solution 2.  
Brea, CA 92821 USA  
TEL: 714 990-2300  
Solution 2: Turn up the destination amplifier  
volume. If the sound level is still low,  
see Cause 2.  
TOLL FREE: 1-800-ALTINEX  
Cause 2: Poor signal transmission.  
Solution: Check the cables for continuity and  
make sure that connections are  
wired properly to verify that there is  
good signal transmission. Note:  
Test the system by removing the  
card from between the source and  
the destination amplifier. If the  
problem persists, call ALTINEX at  
(714) 990-2300.  
400-0343-003  
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