Icom Freqency expantion for IC-3220A/E/H Recive mode: 1) VHF Band: Cut D6 on LOGIC board a) While push and hold [V/Mhz] [MONI] and mic [DN], push [POWER] Switch ON. Range 136-174Mhz 2) AIR Band: Cut D4 on LOGIC board Same as a). Range 118-136Mhz 3) UHF Band: Cut D5 on LOGIC Board same as a). Range 400-479Mhz Transmit mode: 1) VHF band: Attach diode 1ss187 (cord 1750000030) to position D9 on LOGIC board jumper vith soldering betueen land A and land B Range 136-174Mhz 2) UHF Band: Attach diode 1ss190 (cord 1750000040) to position D9 on LOGIC board Range 400-479Mhz 3) VHF and UHF both band transmitting: Attach diode 1ss181 (cord 1750000010) to position D9 on LOGIC board jumper with Soldering betueen land A and land B Range 136-174 & 400-479Mhz Mini Repeter operation: Cut D7 on LOGIC board Set desire frequency (also duplex mode if you need) Push [BAND] SW over 2sec, then push [DUAL] appears on the display. Now quipment turn to DUAL watchmode Push and hold [BAND] SW then push [SET] SW until Memory channel number turn to brighting . Now equipment can operate as MINI-REPETER Cancel MINI-REPETER OPERATION: Push [SET] SW until brighting turns to normal Memory channel number...