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Appendix C ~ Serial Commands
26
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FLOW
This command selects or reports whether hardware flow control is enable or disabled
for the GT1524. Hardware flow control is implemented using RTS and CTS.
Command form:
FLOW
<X>
Explanation
Value 0 = Sets flow control to Off
1 = Sets flow control to On
Null = Returns the current mode
Return values
The command will return the updated condition (On=1, Off=0) of the GT1524 in
the same format as the command.
FPP
This command sets and reports the current passcode setting for the GT1524.
Command form:
FPP
<X>
Explanation
Value 1 = Up button
2 = Enter button
3 = ESC button
4 = Down button
5 = Meter button
Null = Return current passcode
Return values
The command returns the current or updated condition of the front panel passcode.
GAIN
This command changes or reports back the gain for a channel. The command
supports all inputs and outputs. Command form:
GAIN
<CH><X1><X2>[X3]
Explanation
Channel 1 = Mic/Line Input, Line Output
2 = Aux Input, Aux Output
3 = 4 Wire Input, 4 Wire Output
4 = Telco Input, Telco Output
Value 1
I = Selects Input, O = Selects Output
Value 2
-20 to 20 to set the level
Null to return the current level
Value 3
R = Indicates relative
A = Indicates absolute
Null will default to R (relative)
Return values
The command will return the updated level of the channel in the same format as the
command. The level returned is always absolute.