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Prince William County ARES 

IC-2820 Quick Reference Guide v.1.4 

Icom IC-2820H Basic Operations

 

These instructions are not a substitute for reading the manual 

NOTE: 

The IC-2820 is a dual receive radio with a 

left

 and 

right

 side and set of  keys and 

knobs.  The active side is identified by a 

MAIN

 icon in the top “left” corner of  the ac-

tive display.  When the instructions refer to 

MAIN

 key or knob, they refer to the active 

transceiver side and do not affect the inactive side until the inactive side is made active. 
 
To select the 

MAIN

 band, either press the 

DIAL

 knob on the side you wish to set ac-

tive. 

The IC-2820 has a magnetic attached face plate.  The connector cable may not be attached to the radio initially (use the short one, not 
the long extender cable).  Note that the six-pin end goes into the main unit and the four-pin end goes into the face plate.  The micro-

phone should already be attached and covered by a faceplate. 

IC-2820 Front Panel:

 1) Power, 2) Function/Lock key 3) Output Power/Priority, 4) Tone/DTMF, 5) Duplex/Monitor, (Button 2-5 are for 

the 

MAIN

 band only), 6) SQL, 7) VOL, 8) DIAL, 9) MAIN band (push), 10) VFO/Tune/Scan, 11) Memory/Call/Memory write. 

IC-2820 LCD Panel:

 

Of note: 1) Operating mode indicator, 2) Duplex indica-

tors, 3) Name indicator if programmed, 4) Tone indicator, 5/6) Not relevant 

without D-Star board, 10) Lock function enabled, 17) Weather indicators if 
programmed, 19) Power level, 22) 

MAIN

 band indicator

  

IC-2820 Main body:

 1) Controller connector (6-

pin), 2) & 3) Not used, 4) Packet data jack, 5) 

Mic, 6) Antenna (primary), 8) Antenna 
(optional), 9) External speaker, 10) External 

speaker—see External speakers. 

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