Vertex Standard USA Inc. 11134720 用户手册
EVX-531 O
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10
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the main transceiver’s body, and speak into the
microphone on a normal voice level.
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
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
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 (“TX”
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 (“TX”
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”
soon thereafter. To resume transmitting, you must re-
lease the PTT switch and wait for the “penalty timer”
to expire.