7K • Appendix C
C-16
Audio Level Potentiometers
The 7K Main Board contains 12 potentiometers. The pots are used to adjust
audio levels only. Signalling tones are digitally generated and do not require
frequency adjustment.
Audio Level Potentiometers
Controller Main Board
Pot Location Function
RX1 R97 adjusts audio level from receiver #1
RX2 R98 adjusts audio level from receiver #2
RX3 R99 adjusts audio level from receiver #3
TX1 R104 adjusts audio level to transmitter #1
TX2 R105 adjusts audio level to transmitter #2
CW-TX R102 adjusts level of CW feeding the transmitters
CW-PL R101 adjusts level of CW feeding the phone line
tone page R103 adjusts level of paging tones feeding the transmitters (1-tone, 2-
tone, 5/ 6-tone)
DTMF page R100 adjusts level of DTMF paging tones feeding the transmitters
AGCPL R107 adjusts audio level of phone line feeding the transmitters
(AGC’d)
PL R106 adjusts audio level of phone line feeding the DTMF decoder
(non- AGC’d)
speech R108 adjusts the level of the speech synthesizer
Note: There is also a pot on the Speech Synthesis Module, R3, which is used
to adjust the pitch of the synthesizer. This pot may be adjusted to suit your
taste.
To Next Page
Loading...