Specifications
TECHNICAL SUPPORT: 1.800.283.5936 (USA) OR 1.801.974.3760
APPENDIX E • SERIAL COMMANDS
116
Gain Adjustment
DESCRIPTION:
This command changes or reports back the input gain for an input, output or assignable processing block.
BINARY FORM DETAILS
COMMAND FORM: <Header><Argument 1>
COMMAND ID: 18
ARGUMENT SIZE: 1 word
ARGUMENT FORM:
Name: Channel Group Value
Size 8 bits 8 bits 16 bits
Type Unsigned integer Unsigned integer Signed Float
Range See Group and Chnnls 1, 2, 3, 5, 7 -99.9 to 99.9
(Table 1, p. 93) (I, O, M, P, L)
Unit N/A N/A dB
RETURN VALUES:
Unit always returns the value of gain adjustment command in the same form as above.
TEXT FORM DETAILS
COMMAND FORM: <DEVICE> GAIN <Channel> <Group> [Value A/R]
Where:
DEVICE: See General Text command form Description
GAIN Text Command
Channel See Group and Channels (Table 1, page 93)
Group ‘I’, ‘O’, ‘M", ‘P’, ‘L’ See Group and Channels (Table 1, page 93)
Value
X=-99 to 99 ** Parameter to set the gain
X= Null Parameter to return the current gain
A/R
X=R Parameter to indicate relative
X=A Parameter to set the gain to an absolute value
X= Null Parameter will default to R (relative)
** Note: Values indicate entry range only. Actual internal range of the gain stage is from -65 to 20. Absolute values
will be limited to the internal gain range and values below –65 will mute the channel.
RETURN VALUES
The command returns the current or updated condition of the gain adjustment command.
If Command Returns
If the gain is to be lowered by 3dB on input channel 2 and the actual gain is at –3dB, DEVICE GAIN 2 I -6 A
send device gain 2 I-3 R
The gain is to be set to 12dB on output channel 4 DEVICE GAIN 4 O 12 A