Vertex Standard EVX-531 User Manual download pdf (Page 12)

EVX-531 OpErating Manual

opEratIon

the main transceiver’s body, and speak into the

microphone on a normal voice level.

Note 1): Save the original plastic cap and its

mounting screws. They should be reinstalled

when not using the Speaker/Microphone.

2) When you press the PTT switch on the Speak-

er/Microphone, it disables the internal micro-

phone, and vice versa.



If the BCLO (Busy Channel Lockout) feature

has been programmed on an analog channel, the

radio will not transmit when a carrier is present.

Instead, the radio will generate short beep three

times. Release the

PTT

switch and wait for the

channel to be clear of activity.



If the BTLO (Busy Tone Lockout) feature has

been programmed on an analog channel or

CCLO (Color Code Lockout) feature has been

programmed on a digital channel, the radio

can transmit only when there is no carrier be-

ing received or when the carrier being received

includes the correct tone (CTCSS tone or DCS

code) on an analog channel or correct code on a

digital channel.

Automatic Time-Out Timer

If the selected channel has been programmed for au-

tomatic time-out, you must limit the length of each

transmission. While transmitting, a beep will sound

10 seconds before time-out. Another beep will sound

just before the deadline; the top panel’s red LED (“

”

indicator) will disappear and transmission will cease

soon thereafter. To resume transmitting, you must re-

lease the

PTT

switch and wait for the “penalty timer”

to expire.

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Vertex Standard EVX-531 User Manual Page 12