V A L A V I O N I C S , L I M I T E D
C O M 7 6 O T S O V H F T R A N S C E I V E R
INSTALLATION/OWNER’S MANUAL PAGE
22
VPN 701002
REVISION 6-AUG 1999
SECTION III – OPERATION AND THEORY OF OPERATION
PARAGRAPH
3.1
OPERATING INSTRUCTIONS
Controls and accessories of the Front Panel from left to right: (Refer to Figure 1-9)
1.
ON/OFF/VOLUME/PULL TEST
2.
Auto-Dimmer Photocell
3.
A/B Channel Selector
4.
Frequency Display Window
5.
118.000 to 136.000 Frequency Select Toggle (S101)
6.
.0 to .9 MHz Frequency Select Toggle (S102)
7.
25 kHz Frequency Select Toggle (S103)
On initial turn on, two common ground control frequencies will be displayed as follows:
121.70 MHz on Channel A
121.90 MHz on Channel B
Any other of 760 desired frequencies can be selected by toggling S101 down to 118 MHz to up to 136 MHz, then S102 either up or down to
the desired .0 through .9 and finally S103 up of down until the desired 25 kHz frequency .000 MHz, .050 MHz or .075 MHz appear.
Note:
S101 does not “roll over” below 118 MHz or above 136 MHz as in the operation of S102 and S103. The operator can only toggle
“up” from 118 MHz or “down” from 136 MHz.