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Owner’s Manual for the P-20 (Itinerant Radio)
http://www.midlandradio.com Page 7 of 16
FEATURES AND LOCATION OF CONTOLS
1 VOX button 2-Up/Down Buttons 3-Monitor Button 4-Push to Talk Button
5-Call Button 6-Accessory jacks 7-On/Off Volume Control 8-Enter Button
9-Function Button 10-charging contacts 11-Charge Jack
THE RADIO MUST NOT BE SCANNING OR TRANSMITTING
AND THE CONTOLS NOT
LOCKED BEFORE THE CONTROLS WILL WORK PROPERLY.
TURNING THE RADIO ON OR OFF
Rotate the ON/OFF Volume control (7) clockwise to turn the radio ON. An audible tone will
indicate the radio is on. The display will go through a 1 second self test and go to operation
mode. Rotate the ON/OFF Volume control counter clockwise to turn the radio off.
LOCKING THE CONTROLS
Press and hold the “MON” button (3) for about 3 seconds a beep (if enabled) will be heard and
the KEY icon will be displayed. The “PTT” and the “CALL” are the only buttons active. If any
other buttons are pressed 3 quick beeps will be heard.
UNLOCKING THE CONTROLS
Press and hold the “MON” button (3) for about 3 seconds a beep (if enabled) will be heard and
the KEY icon will not be displayed.
SELECTING THE CHANNEL
Press the “/\” or “\/” button (2) to select the desired channel.
(ONLY IF TWO CHANNELS ARE ACTIVE)
If only one channel is programmed and the /\ or \/ button is pressed 2 quick beeps will be
heard.
PROGRAMMING THE ACTIVE CHANNEL
1. With the radio turned off, press and hold the “ENTER” button and turn the radio on. Release
the button after the power-up tone.
2. Press the “F” button twice or until you see “1-oN” or “1-FF” displayed.
3. To review channel programming status, press “/\” or “\/” buttons to display each channel
number. The channel number followed by “oN” indicates an active channel. A channel
number followed by-“ FF” indicates an inactive frequency.