User's Guide

Page 7
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Schedule Maintenance Procedure
The procedure, detailed in the following paragraphs, should be followed when carrying out schedule
maintenance.
Cleaning the Equipment
Remove all dust and dirt from the equipment's exterior using the cleaning cloths and camel hair brush.
Clean the front panel indicators and LCD face.
Security of External Connections
Check all external connections are secure and free from damage.
Setting the Transceiver’s Internal Reference Frequency
To set the transceiver’s internal reference frequency, use the following procedure. Note that references
to the switch in the procedure mean the Scroll/Select switch.
(8) Disconnect the frequency counter.
(9) Refer to AM-Voice Mode Settings Screen in the Operation section of this document and set to
the required offset.
To Initiate a BIT Test
Use the following procedure to initiate an interruptive BIT test from the transceiver's front panel. A BIT
test cannot be initiated while the transceiver is keyed. An interruptive BIT test cannot be initiated in
Mode 2 or Mode 3.
AM-Voice Mode Settings Screen
Control Screen
Settings Screen
A N T C / O D e l
O f f s e t 0 . 0 k H z
S q u e l c h - 1 0 7 d B m
E x i t < < > >
F r e q u e n c y
C h a n n e l
S e t t i n g s
E x i t
B a n d E d g e s
R e f F r e q 5 0 . 0 %
B a c k l i g h t 0 3 0 s
E x i t < < > >
(1) Refer to AM-Voice Mode Settings
Screen in the Operation section of this
document and set the offset to 0 kHz.
(2) Select Exit and return to the Main
screen.
(3) Connect a high impedance frequency
counter to the front panel Reference
connector.
(4) From the Main screen, press the switch
to display the Control screen. Turn the
switch until Settings is highlighted.
Press the switch.
(5) Ensure the Settings screen is displayed.
Turn the switch until Ref Freq is
highlighted, then press the switch.
(6) With Ref Freq selected turn the switch
clockwise or anti-clockwise until the
frequency counter reads 20.950000 MHz
±10 Hz, then press the switch.
(7) Turn the switch clockwise until Exit is
highlighted, then press the switch. You
are returned to the Main screen.