184 OTHER FUNCTIONSn Lock functionThe lock function prevents accidental frequency changesand accidental function activation.q Hold down [DIAL] for 2 seconds to turn the lock functionON.• “O D” appears when DIAL lock mode is selected.• “O P” appears when PANEL lock mode is selected.w To turn the function OFF, repeat step q above.• “O D” or “O P” disappears.n Accessing 121.5 MHzemergency frequencyThe IC-A210E can be set to the 121.5 MHz emergency fre-quency quickly. This function can be activated even when thekey lock function is in use.q Push [EC] to call the emergency frequency to the standbyfrequency, and enter the DualWatch operation automati-cally.w Push [↔] to transfer emergency frequency to the activefrequency if necessary.• “EC” appears.e Push [↔] to exit from the emergency frequency.• Set the frequency except 121.500 MHz before pushing [↔] tothe standby frequency if necessary.• “EC” disappears.NOTE: “EC” also appears on the display while the activefrequency is set to 121.500 MHz.NOTE: AUTOMATIC LOCK RELEASE FUNCTIONThis transceiver has an “Automatic Lock Release Function”which releases the Lock function automatically when anoperator gets into a panic.The lock function is released when pushing any keys (ex-cept [EC]) eight times or rotating any dials (except [VOL])25-clicks for 5 seconds.CONVENIENT!: Hold down [EC] for 2 seconds to enterthe direct frequency setting mode (p. 8), and set the emer-gency frequency (121.5 MHz).• “EC” appears.