Vax RS 232C - Manual (Page 15)

Page 15 of 24
5.7. EQ Settings
Perform EQ settings (ON/OFF, Band number, Gain, Q and Center frequency) of the
input/output channels. 9000Series Amplifier responds with the same data as that received.
Band number, Gain, Q, and Center frequency cannot be received when EQ is set to OFF.
They can be valid only when EQ is set to ON.
Note: Command cannot be received during power off.
A1H, 07H, <Channel Attribute>, <Channel Number>, <OFF/ON>, <Band Number>,
<Gain Value>, <Q Value>, <Freq Value>
<Channel Attribute>
00H: Input channel
01H: Output channel
<Channel Number>
00H - 07H (Input channel 1 - 8)
00H - 07H (Output channel 1 - 8)
<OFF/ON>
00H: EQ OFF
01H: EQ ON
<Filter Number>
00H - 09H: Filter 01 - 10
<Gain Value>
EQ-GAIN TABLE
Value Value
HEX DEC
Gain (dB)
HEX DEC
Gain (dB)
00H 0 -12 0DH 13 +1
01H 1 -11 0EH 14 +2
02H 2 -10 0FH 15 +3
03H 3 -9 10H 16 +4
04H 4 -8 11H 17 +5
05H 5 -7 12H 18 +6
06H 6 -6 13H 19 +7
07H 7 -5 14H 20 +8
08H 8 -4 15H 21 +9
09H 9 -3 16H 22 +10
0AH 10 -2 17H 23 +11
0BH 11 -1 18H 24 +12
0CH 12 0
Note: If testing using Hyperterminal HEX value 0DH may incorrectly translate and will not
work. But when used in other applications using the HEX 0DH will work.