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MM23772, Rev. F
86
10 PROJECT 25 (P25) CONVENTIONAL OPERATION
10.1 TURN ON THE RADIO
Power ON the radio by rotating the Power ON/OFF/Volume knob clockwise. A short alert signal (if
enabled through programming) indicates the radio is ready to use. Refer to Figure 10-1 for location of the
Power ON/OFF/Volum
e knob.
The display shows the last selected system and group or a default system and group (depending on
programming).
Adjust the Power ON-OFF/Volume knob to the desired volume level.
Select the desired system and group. The display indicates the current system and group names.
The radio is now ready to transmit and receive calls.
10.2 CONTROLS
The radio features two rotary control knobs and an emergency button mounted on the top of the radio
(Figure 10-1). Push-To-Talk and option buttons are mounted on the side (Figure 10-1). The front mounted
keypad of t
he P7270 System model has 15 buttons and the P5250 and P7250 Scan models have six
buttons. The P7230 Select model does not have a front mounted keypad.
Figure 10-1: Top and Side View