Clock Audio MR 88 - Manual (Page 17)

Page 17
VCA - Control
Output Gain can be controlled by the external VCA’s connected to the
External Control Port. External potentiometers of 10k linear are required.
These will provide 0 to 60 dB of attenuation from the output gain setting in
the Output Gain menu.
These can be set for the following :-
VCA1 OFF VCA2 OFF
VCA1 Channel A VCA2 OFF
VCA1 Channel B VCA2 OFF
VCA1 Channel A and B VCA2 OFF
VCA1 Channel A VCA2 Channel B
Connection to the external control port is as follows:-
Control Out 1
1
Control Out 2
14
Control Out 3
2
Control Out 4
15
Control Out 5
3
Control Out 6
16
Control Out 7
4
Control Out 8
17
Control In 8
5
Control In 7
18
Control In 6
6
Control In 5
19
Control In 4
7
Control In 3
20
Control In 2
8
Control In 1
21
Gnd
9
Gnd
22
+5V
10
VCA1 T op
23
VCA1 Wiper
11
VCA1 Gnd
24
VCA2 T op
12
VCA2 Wiper
25
VCA2 Gnd
13
Control Port
VCA2
10k Potentiometer
VCA1
10k Potentiometer