Icom IC-M604A Instruction Manual - Page 49

7 OTHER FUNCTIONS ■ Intercom operation The optional intercom function allows you to talk to the deck from the cabin. The optional COMMANDMICII™ or COMMANDMICIII™ microphone, is required. Connect the COMMANDMIC™ as described on page 50. • Up to two COMMANDMIC™s can be simultaneously connected. • Transmitting is impossible while using the intercom. • The received signal is muted while using the intercom. q Push [O], then push [9• IC ] to enter the intercom mode. • The COMMANDMIC™ power is automatically turned ON, even if the power is OFF. When the connected COMMANDMIC™ is one, step w does not appear. Go to step e. w Select the desired intercom party, transceiver (RADIO) or COMMANDMIC™ (INTERCOM), then push [ENT]*. * Push [LO/DX] ( IC SCR) from the COMMANDMICII™ (HM-157). Push [LO/DX• IC SCR] from the COMMANDMICIII™ (HM-162). 9 +06 &72 +06'4%1/ +06'4%1/ '06 1- 6'.'2*10' IC-M604A Select within 5 seconds from entering intercom mode. HM-157 9 +06 &72 Scrolls 4#&+1 +06'4%1/ HM-162 '06 1- 6'.'2*10' NOTE: The COMMANDMIC™, connected to the [COM- MAND MIC-1] connector, is recognized as 'INTERCOM1,' and the other side is 'INTERCOM2.' e Hold down [9• IC ] for more than 1 second to sound the intercom beep while holding. • The transceiver and the COMMANDMIC™ second beeps. r Hold down [PTT] and speak into the microphone at a nor- 6 mal voice level. 7 • "6#.-" or ".+56'0" appears on the caller or listener function display, respectively. * " " or " " appears on the HM-157. • "9#+6" appears on the IC-M604A or HM-162 if it is idle. • To adjust the IC-M604A's speaker output level, rotate [VOL]. • To adjust the HM-157's speaker output level, push [VOL• DIM PA/RX ], then push [Y] or [Z] on the HM-157. • To adjust the HM-162's speaker output level, rotate [SELECTOR]. +06'4%1/ 6#.- +06'4%1/ IC-M604A (caller) HM-157 (listener) The otherintercom party is displayed here. +06'4%1/ .+56'0  4#&+1 HM-162 (listener) 43