3-17
3.4
FIXED CHANNEL FREQUENCY SET UP
The following procedure fixes preselected channel frequencies and inhibits transmit on receive
only channels. After completion of this procedure the operator will be able select stored channels only
for receive or transmit. Keypad entry of frequencies is disabled.
3.4.1
System Configuration
(1)
Configure channel frequencies as desired (Refer to Section 3.3.5).
(2)
Select channels for Rx only (transmit inhibit) operation (Refer to paragraph 3.3.7).
3.4.2
Transceiver Disassembly/Assembly and Jumper Installation
(1)
Refer to Paragraph 2.2.1 for Transceiver installation and removal procedures.
(2)
Remove and retain 12 flathead screws (1) and 3 Panhead screws (2) securing
transceiver top cover (3) to chassis (4). Refer to Figure 3-3.
(3)
Position Jumper J6 on pin 1 and pin 2 to disable keyboard entry of frequency
selection and lock operating configuration.
(4)
Position Jumper J6 on pin 2 and pin 3 to enable keypad frequency selection and
unlock operating configuration.
(5)
Position Transceiver Cover (3) on Chassis (4). Ensure that cover holes are aligned
with threaded inserts.
(6)
Position 12 flathead screws (1) and 3 Panhead screws (2) through cover (3) holes
into chassis (4) threaded inserts. Tighten screws with fingers.
(7)
Tighten screws securing Transceiver Cover (3) to Chassis (4).
(8)
Refer to paragraph 2.2.1 for Transceiver installation and removal procedures.
