Icom IC-A220 Instruction Manual - Page 22

4 OTHER FUNCTIONS O OO F FF F O ■■Using the lock function The lock function prevents accidental frequency changes and accidental function activation. There are two lock modes, panel lock and dial lock. You can select the lock mode in the Settings menu. Refer to page 20 for details. Panel lock: L ock transceiver's keys and dials except [EC] and [VOL]. Dial lock: Lock [DIAL] and [O-DIAL]. qqHold down [DIAL] for two seconds to turn ON the lock function. • " D" is displayed when dial lock mode is selected. • " P" is displayed when panel lock mode is selected. w P ush [DIAL] to turn OFF the lock function. • " D" or " P" disappears. NOTE: LOCK RELEASE FUNCTION This transceiver has a lock release function that releases the Lock function when an operator gets into a panic. The lock function is released when pushing any keys (except [EC]) eight times, or rotate any dial (except [VOL]) 25 clicks in five seconds. ■■Accessing the 121.5 MHz emergency frequency The transceiver can be set to the 121.5 MHz emergency frequency immediately. This function can be activated even if the key lock function is in use. qqHold down [EC] for two seconds to set the emergency frequency (121.50 MHz) in direct frequency setting mode. • "EC" is displayed. 121.505 EC wwHold down [ ] to return to the normal frequency display mode, and then push [ ] to exchange emergency frequency with the standby frequency. • Set the frequency other than 121.500 MHz before pushing [ ] to the standby frequency if necessary. • "EC" disappears. You can also set the 121.5 MHz emergency frequency from normal frequency display mode.  qqPush [EC] to set the emergency frequency to the stand- by frequency. wwPush [ ] to change to the active frequency. • "EC" is displayed. 121.50 118.00 EC 15