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Operation
Auto: amplifier goes to standby automatically if the main CPU detects no audio in
amplifier inputs. Amplifier automaticity returns to the normal stage as soon as the
CPU detects audio.
Activated standby mode is indicated by the red color LED on the power button.
LOCK
This function locks the front panel control to prevent unauthorized access to the
amplifier control menu or volume adjusting. To disable the function press and hold
the rotary encoder for 5 seconds. The lock function affects front panel controls only,
serial control and reset functions are not free of locking. Lock mode can be also
enabled or disabled by using the RS232 command.
FACTORY RESET
Resets all amplifier parameters to default values.
EXIT
Turns off the menu and returns the default volume control screen.
RS232 codes | Send Sequences
RS232 COMMANDS
The following table lists commands for IAC 120 DSP / 240 DSP / 360 DSP models.
Amplifier iAC 2x240 DSP uses the same command structure only special bytes to
specify the amplifier channel must be sent to control CH1 or CH2 or both channels
and ones (Sync mode).
CH1 control byte 01 Example: MUTE CH1
69 41 43 55 01 02 01 A1 AA
CH2 control byte 02 Example: MUTE CH2
69 41 43 55 02 02 01 A1 AA
SYNC settings control byte 54 Example: MUTE CH1 and CH2
69 41 43 54 01 02 01 A1 AA
Individually channel settings 55 Example: MUTE CH1
69 41 43 55 01 02 01 A1 AA
RS232 CODES ARE LISTED IN HEX
COM Port Settings
Baud Rate: 9600
Parity: None
Data Bits: 8
Stop Bits: 1
Flow Control: No
USER MANUAL
iAC Installation Power Amplifier
11
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