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Owner’s Manual for the P-20 (Itinerant Radio)
http://www.midlandradio.com Page 6 of 16
POWER SAVE CIRCUIT
This part of the operation of the radio is completely automatic and not adjustable. When the radio
has not transmitted or received a signal for several seconds it will begin to cycle from a sleep
mode to fully on. This occurs several times a minute. If a signal is received or you cause the radio
to transmit, the radio will become fully on. This cycling from sleep to fully on increases the battery
life more than 50%. An icon in the upper right of the display flashing “SAVE” will verify this.
RANGE OF UHF RADIOS
The best range between portable UHF radios is achieved when they are operating in open terrain
outside of buildings and vehicles. Anyone using a portable unit inside a vehicle will experience a
significant loss of range.
DISPLAY SYMBOLS
CAUTION: DON’T EXPOSE THE DISPLAY TO EXTREME HOT OR
COLD TEMPERATURE
1. Channel number: Displays channel number 1-10.
2. RX Symbol Indicates busy channel.
3. TX Symbol Indicates unit transmitting.
4. CTCSS Code Symbol: Indicates “CTCSS” tone is active
5. DCS Symbol: Indicates that Digital Coded Squelch mode is on.
6. Musical note indicates ROGER BEEP is on.
7. SAVE Symbol: Flashes indicating battery save is active.
8. Key Symbol indicates when the keypad has been locked. Only the “PTT” and “CALL”
buttons are active when this indicator is on.
9. Shows the “CTCSS” or “DCS” code you have selected. When this is on, other radios you talk
to must be set to the same code.
10. DW Symbol: Indicates Dual Watch channel selection is active.
11. VOX Symbol: Indicates “VOX” is activated
12. B.SCAN indicates the scan mode B is in use. SCAN indicates the normal scan mode is in
use
13. BEEP indicates the button press tone is active.
14. Battery symbol shows the battery condition. Replace or recharge the batteries when this
indicator displays 2 or fewer segments of the battery.
15. M Symbol: Indicates a memory channel is active.
16. Number indicates memory channel in use.(when programmed)