Vertex Standard EVX-539 Operating Manual page 13

 Rotate the VOL/PWR
knob to set the volume
level. If no signal is
present on the analog
channel, press and hold
in the SIDE-1 button
(under the PTT switch)
more than 2 seconds;
background noise will
now be heard, and you
may use this to set the
VOL/PWR knob for the
desired audio level. Press and hold the SIDE-1
button more than 2 seconds (or press the SIDE-1
button twice) to quiet the noise and resume nor-
mal (quiet) monitoring.
 To transmit, monitor the
channel and make sure it
is clear.
Press and hold the PTT
switch. Speak into the
microphone area of the
front panel grille in a normal voice level. To re-
turn to the Receive mode, release the PTT switch.
EVX-539 O M
pErating
o
pEratIon
anual
 Press the (Orange) TOP
SEL key, SIDE-2 but-
ton, or front panel's pro-
grammable keypad ([ A ] ,
[ B ] , [ C ] , [ D ], [ Ý ] and
[ # ] keys ) to activate one
of the pre-programmed
functions which may
have been enabled at the
time of programming
by the dealer. See the
next section for details
regarding feature avail-
ability for this radio.
 I f a S p e a k e r / M i c r o -
p h o n e i s a v a i l a b l e ,
remove the plastic cap
and its two mounting
screws from the right
side of the transceiver,
then align the connector
FCC ID: AXI11154620
IC: 10239A-11154620
1 A
2 3
4 B
5 6
7 C
8 9
?
D
0 #
EVX-539
A
3
B
6
C
9
11