Operation Guide

Vertex Standard LMR, Inc.
EVX-534 / 539 Operation Guide (Analog Mode / Digital Mode)
Switch / Knob Allocation
① Power ON / OFF and Volume Control
・See the LED status shown below.
② CH Selector (Rotary Switch)
Channel number is displayed on the LCD.
③ Group Select Switch (Group 1:Analog / Group 2:Digital)
The Group changes by pressing this key.
When a switch is pushed, "GROUP-01" or "GROUP-02" is displayed.
④ PTT Switch (TX ON / OFF)
・See the LED status shown below.
⑤ Monitor Switch (Manually SQL OFF )
* In Analogue mode only*
While receiving, when pressing and holding this key for 2 seconds, the SQL
becomes OFF and the radio sounds (output AF). The LED blinks in Green
color. When pressing and holding this key again, the sound stops.
Note: Press and hold this key when this key needs to be activated. The short
press downs not work for this function, though the LED lights in Green.
・See the LED status shown below.
⑥ PN9 Modulation ON/OFF
**In Digital mode only**
While receiving, when this key is pressed, the radio sounds "pi" and the radio
modulates with PN9 in Transmission.
When the key is pressed again, the radio sounds "po", and the PN9 modulation
is canceled.
・See the LED status shown below.
⑦ LED
Status：
Power ON：The light blue LED lights once when the radio wakes up.
*Analogue mode*
RX Monitor (SQL OFF)：Green blink
＊The LED blinks in GREEN, instead of continuous lighting.
(No function for the continuous lighting)
TX PTT ON ：Red (High Power)
：Blue (Low Power)
**Digital mode**
TX PTT ON ：Blue (High and Low Power)