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3.4
CHANNEL FREQUENCY SELECTION
The following procedure disables keypad entry of frequencies so that the operator will only be
able to select stored channels for receive or transmit.
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 Section 2 for Transceiver installation and removal procedures.
(2)
Remove and retain 15 flathead screws (1) securing transceiver top cover (3) to chassis
(4). Refer to Figure 3.2.
(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 15 flathead screws (1) and 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 section 2 for Transceiver installation and removal procedures.
3.4.3
Operational Check
(1)
Turn Unit On (Refer to paragraph 3.2).
(2)
Recall Channels "0" through "9" (Refer to paragraph 3.3.6). Ensure that the frequencies
indicated for each channel displayed correspond to those selected.
(3)
Transmit on each channel. Observe that the TX Led (Refer to Figure 3.1, for location)
does not light on channels selected to operate exclusively in receive mode.
(4)
Enter a valid frequency (within the frequency range of (117.975 MHz to 138 MHz) that
differs from the frequency stored in channel "0".
(5)
Store the frequency in channel "0" (Refer to paragraph 3.3.5).
(6)
Recall Channel "0" frequency. Channel "0" frequency displayed shall be the same
the frequency entered in step 4).
(7)
Perform Steps 4 through 6 for each channel.
TMS-150 91-DE Installation & Operating Instructions
TECHNISONIC INDUSTRIES LIMITED
www.til.ca
frequency entered before Locking the operating configuration (i.e. different from
3-12
TiL 94RE146 Rev E
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