Specifications

2
VX-520U OPERATING MANUAL
CONTROLS & CONNECTORS
Top panel
À
VOL Control
This control adjusts the volume of the receiver, and turns the radio off
when rotated fully counterclockwise to the click-stop
Á
S/DW Button (Scan/Dual Watch)
Pressing and holding this button more than 2 seconds (but less than 4
seconds) turns the channel scanner on and off. Pressing and holding this
button more than 4 seconds activates the Dual Watch feature (explained
later).
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DISP Button
Pressing and holding this button more than 2 seconds (but less than 4
seconds) activates functions as programmed by your dealer and determined
by your system requirements (See “PRE-PROGRAMMED FUNCTIONS”, page
13). Pressing and holding this button more than 4 seconds inverts the
LCD display to either frontward or backward facing readout (the back-
ward display is convenient for viewing when wearing the transceiver on
your belt).
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A/B Toggle Switch
The 32 available channels in the VX-520U can be organized into 2 groups
with up to 16 channels in each. Toggle this switch to select a group “A” or
“B” for operation.