GAI-Tronics MRTI 2000 (No. PL1877A) Microprocessor Radio Telephone Interconnect Installation & Service Manual User Manual
Page 162
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Pl1877A – Radio Installation
PL1877A Microprocessor Radio Telephone Interconnect
12/10 156
The PL1877A could also be configured to use the PL1877A’s internal squelch circuit. This would
require setting the parameters as shown on the previous page, with the following exceptions:
NOTE
With the parameter settings listed below, the radio must be internally jumpered to
provide discriminator audio, JU551 must be in the “A” position.
Parameter Setting
1 0
(de-emphasis)
2
1, JU202 OUT (mid-level audio)
3
0 (internal carrier detect)
4 Don’t
care
All other parameters are programmed as applicable to system requirements. Refer to the Parameter
Modification Procedure on page 77 and then the “Level Setting” section on page 17 of this manual.
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