Icom IC-F5123D Instruction Manual - Page 8

1 PANEL DESCRIPTION ■ Programmable function keys (Continued) PRIO A/B KEYS ➥ Push to select the Priority A or Priority B channel. ➥ H old down [Prio A (Rewrite)] or [Prio B (Rewrite)] for 1 second to rewrite the operating channel as Priority A or Priority B, MR-CH 1/2/3/4 KEYS Push to directly select memory channel 1 to 4. MONI (AUDI) KEY ➥ Push to turn the CTCSS (DTCS) or 2/5-tone squelch mute ON or OFF. • Only during LMR (Land Mobile Radio) operation, push to open any squelch, or deactivate any mute functions. • Only during PMR (Private Mobile Radio) operation, push to acti- vate one or two of the following functions on each channel (depending on the preprogramming): - Hold down to unmute the channel ('Audible' mode). - Push to mute the channel ('Inaudible' mode). - After the communication is finished, push to send a 'reset code' (only 5-tone operation). NOTE: The 'Audible' (unmute) mode may automatically return to the 'Inaudible' (mute) mode, after the pre-programmed time period. LIGHT KEY Push to turn ON the backlight for about 5 seconds, when the backlight function is set to "OFF" in the User Set mode. LOCK KEY ➥ Hold down this key until "LOCK ON" is displayed to elec- tronically lock all programmable keys except the following: [Moni(Audi)], [Lock], [Call] (incl. Call A and Call B), [Emergency], [Surveillance], [Siren], [Lone Worker] and [Light]. ➥ W hen the Key Lock function is ON, hold down this key until "LOCK OFF" is displayed to turn it OFF. LONE WORKER KEY Push to turn the Lone Worker function ON or OFF. • If the Lone Worker function is turned ON, and no operation occurs during the pre-programmed time period, the Emergency function is automatically turned ON. HIGH/LOW KEY Push to select the transmit output power temporarily or permanently, depending on the preprogramming. • Ask your dealer for the output power level for each selection. C.TONE CH ENT KEY Push to enter the continuous tone channel selection mode. Then, push [CH Up] or [CH Down] to change the tone frequency/code setting. The selected channel remains set as the continuous tone channel until another channel is designated as such. 4