Syn-Tech III P25 Portable Radio

OPERATION MANUAL

4 OPERATION

4.1Basic Operation

Despite the radio’s advanced feature set, the basic receive and transmit operations can still be quite simple. The radio is capable of distinguishing between analog and digital signals, and the channel may be configured to receive both signal types with no user intervention. The radio channel may also be configured to allow users to transmit analog signals, digital signals, or choose the appropriate transmit mode.

4.1.1Turning the Radio On and Off

Rotate the On/Off Volume Knob clockwise past the detent to turn the radio on. Rotate the knob further clockwise to increase the speaker volume. Rotate the knob counter-clockwise to decrease the speaker volume. Rotate the knob counter-clockwise past the detent to turn the radio off.

While the radio is performing power-on self- tests, it will display the greeting message and the current zone selection. If the channel switch is in the sixteenth position, the radio will power- on to the last selected channel. In any other position the radio will power-on to the switch- selected channel.

Figure 4.1 – On/Increase Volume

Figure 4.2 –Off/Decrease Volume

If a power-on password has been

 

set, the radio will prompt for

 

password entry when it is turned on.

 

Use the numeric keypad to enter the

Enter 5

correct password then press the left

digit

soft key (OK). If the password is

password

entered incorrectly five times, the

 

radio will lock and must be

 

reprogrammed to reset the

 

password.

Press OK

 

 

to

 

continue

Figure 4.3 Power-on password entry

680-090-2041

13

Version 5.0

http://www.midlandradio.com

 

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Midland Radio P25 operation manual Basic Operation, Turning the Radio On and Off