Motorola MC3000 Operating And Installation Manual page 57

Optionally on a conventional system, to select a different radio channel:
1. Look at the top left hand corner of the LCD display and press the Mode Up or Mode
Down keys to find the desired Mode/Channel or Talk Group in a pre-set list based on
the configuration of your system.
To listen to the radio channel activity before transmitting:
1. Press the digital radio function button that corresponds to the Monitor button of the
radio type to which the deskset is connected. The Monitor LED turns on. Any radio
communication audio on the channel will be heard on the internal speaker. Alternately,
if the handset is off-hook, you will hear the audio in the handset ear piece.
Release the Monitor button when you have verified that the radio channel is clear.
The Monitor LED turns off.
When you want to initiate a radio channel transmission or if you hear an incoming call
directed to you, there are four ways to respond:
Method 1—Respond with the handset
1. Lift the handset (off-hook).
2. Press and hold the PTT press bar in the middle of the handset. The Transmit LED
turns on while the button is pushed.
3. Speak into the mouthpiece.
4. Release the PTT press bar after you finish transmitting. The Transmit LED turns off
when the button is released.
Method 2—Respond with the handset transmit and the internal speaker receive
1. Lift the handset (off-hook).
2. To enable the internal speaker with the handset off-hook, press the Speaker button
once. The Speaker LED turns on.
3. Press and hold the PTT press bar in the middle of the handset. The Transmit LED
turns on while the button is pushed.
4. Speak into the mouthpiece.
5. Release the PTT press bar after you finish transmitting to allow you to hear the
receive audio from the internal speaker. The Transmit LED turns off when the button
is released.
6. To disable the internal speaker with the handset off-hook, press the Speaker button
again. The Speaker LED turns off.
Method 3—Respond with handsfree operation
1. Ensure the handset is on-hook (in the cradle).
2. Press and hold the Transmit button. The Transmit LED turns on while the button is
pushed.
3. Speak in the direction of the internal microphone (located at the bottom center of the
console).
MC3000 Digital Deskset Operator and Installation Manual
(6880309L15-A)
Initiating or Answering a Radio Channel Transmission
Operation
3-19