User manual

ALERT TONES

The MDX Conventional mobile radio generates a set of unique alert tones

to indicate operating status. The following section identifies and describes the

alert tones used in the MDX radio.

SELF CHECK

TEST ALERT

One beep is sounded after the radio is turned on to

indicate that the radio has passed the self diagnostic

test. Optional in PC programmer.

CALL DISABLED

ALERT

You will hear a continuous low pitched tone when

your radio is set to a receive (decode) only channel

and you press PTT on the microphone. This tone

indicates that you are not allowed to place a call on

this setting.

CARRIER CONTROL

TIMER

The Carrier Control Timer alert is a pulsing pitched

tone you will hear whenever you have kept the PTT

button continuously pressed for a preprogrammed

length of time. The transmitter shuts down when

the pulsing low pitched tone starts, interrupting

communications. To maintain communications,

release and re-key the microphone. This resets the

timer and turns the transmitter back on. The CCT

is a built in precaution against extended use of the

system.

T99 CALL RECEIVED After decoding a T99 call, the received signalling

2-tone is sounded to alert you of the incoming call.

OPERATING THE RADIO

TURNING THE RADIO ON

1. Push the POWER switch. The display shows the channel alpha name

once power up is complete. When powering up, the last selected

Channel should be displayed unless the radio is programmed for a

preprogrammed power up. The radio optionally generates a beep once

the power up sequence is complete.

2. Set the volume using the VOLUME RAMP button. A short beep

sounds each time the VOLUME button is pressed. The beeps will not

sound if a call is being received.