Maxon Telecom UM-SL55 user manual Receive, Status Indicatorsandaudiblealert Tones

ENGLISH

vertical. Press and hold the PTT button on the side of the radio, and begin speaking in a clear, normal tone. Release the PTT button when you have finished speaking.

CAUTION: Operation of the transmitter without a proper antenna fitted may result in permanent damage to the radio.

10NOTE: The radio’s LED will illuminate red continuously when you have the PTT button pressed and are transmitting. If the red LED starts “flashing”, the battery needs to be recharged and transmission will cease. Recharge the battery fully before attempting further transmissions.

RECEIVE

When you have finished transmitting, release the PTT button to receive.

STATUS INDICATORSANDAUDIBLEALERT TONES

The SL55+ radio has a microprocessor control, which provides a range of audible alert tones. Upon each power- up, a quick melody* indicates that the self-test of the microprocessor functions has been completed. A sequence of audible tones* may be sounded with any of the following conditions:

•Attempting to transmit on a channel set for receive only

•Attempting to transmit on a channel that is already in use when busy channel lockout has been programmed into the radio*

•Transmitting time has exceeded time-out timer programmed length*

•Low battery condition

•Selecting a channel with no programmed frequency

*Indicates a function that is initially programmed into the radio by your Maxon dealer.

Note: All audible tones can be programmed off for silent operation.