Maxon UM-SL55 User Manual download pdf (Page 12)

SL55 SERIES OPERATION

Note: The availability of the functions described in this

section is dependent on the set-up of your radio. Please

consult your Dealer or Supervisor for further information.

SWITCHING THE RADIO ON

Switch the radio on by turning the volume control Â

clockwise until its clicks. An audible alert sounds on

completion of the automatic self-test.

TRANSMIT AND RECEIVE

The PTT (Press-To-Talk) button Å is located on the side of

the SL55 and activates the transmitter.

Before transmitting, it is recommended that you monitor the

channel to ensure that it is not in use. The status LED

illuminates amber/green whenever your radio is receiving.

You may listen to the channel by pressing the Monitor

button. Wait until any incoming message has finished before

starting your own transmission.

Press and hold the PTT button while making a transmission

 speak clearly with the radio approximately 5 to 8 cms

away

 release the PTT button to listen.

The status LED illuminates red whenever your radio is

transmitting.

If your radio has been set-up for Transmit Time Limiting, your

radio will return to the Receive state after this transmit

period. If your radio has been set-up for Transmit Lockout,

you may not be able to transmit unless the channel is clear.

RECEIVING CTCSS/DCS

Your SL55 may be set-up so that only calls with the radios

specified code will be heard. In normal operation, the

speaker will remain quiet until the correct CTCSS/DCS code

is received. The status LED will glow green and the message

will be heard.

TRANSMIT TIME OUT TIMER

If set-up, your radio will stop transmitting after a preset

period of time. An audible alert is heard at the end of the

period.

ENGLISH

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Maxon UM-SL55 User Manual Page 12