User's Manual

EVX-531 OpErating Manual
14
advancEd opEratIon
vox
Press (or press and hold) the assigned programmable
key to turn the VOX function “On” or “Off”. When
the VOX function is activated, the LED indicator
will glow with a pre-dened color. You may disable
the VOX function temporarily by pressing the
PTT
switch.
vox antI-trIp
Press (or press and hold) the assigned Programmable
key to toggle the VOX Anti-Trip feature “On” and
“Off”. When the VOX Anti-Trip feature is set to “On”,
the transceiver does not activate the transmitter sec-
tion from the receiver audio and own beep sound.
EmErgEncY
The
EVX-531
include an “Emergency” feature which
may be useful for alerting another party monitoring
on the same frequency as your transceiver’s channel.
Press the assigned Programmable key to initiate an
emergency call on the pre-dened channel. For fur-
ther details contact your Vertex Standard dealer.
lonE WorKEr
Press (or press and hold) the assigned Programmable
key to toggle the Lone Worker feature “On” and “Off”.
The Lone Worker feature is designed to emit an
alarm for 30 seconds when the Lone Worker Timer
(programmed by your Vertex Standard dealer) has ex-
pired. If the user does not reset the timer by pressing
the
PTT
switch, the radio switches to the Emergency
mode.
group changE
The
EVX-531
has two Channel Groups (Group 1 and
Group 2).
Press (or press and hold) the assigned Programmable
key to change the Channel Group to the opposite
Group. When there is a radio in the Group 2, the LED
indicator will blink with a pre-defined color. Once
the desired Group is reached, rotate the
CH
Selector
knob to select the desired channel within the selected
Group.