52 PANEL DESCRIPTIONN Programmable function keysThe following functions can be assigned to [P0], [P1], [P2],[P3], [Emergency], [Monitor], [M]* and [#]* programmablefunction keys.Consult your Icom dealer or system operator for details con-cerning your transceivers programming.If the programmable function names are bracketed in thefollowing explanations, the specific key used to activate thefunction depends on programming.*Available on 10-keypad version only.SEND DTMF KEYPush to enter the DTMF encode channel selection mode.SELECT CALL KEY± Push to turn the DTMF select call mute function ON.± Push and hold to turn the DTMF select call mute functionOFF.PRIORITY KEYPush to select the priority channel.EMERGENCY KEYPush to select the priority channel and automatically trans-mit a DTMF emergency call code.SCAN A KEY± 4HIS KEYS OPERATION DEPENDS ON THE 0OWER /. 3CAN SET-ting.When the power ON scan function is turned OFF;Push to start and cancel scanning operation. In case oftransmission during scan, cancels scanning.When the power ON scan function is turned ON;Push to pause scanning. Scanning resumes after pass-ing a specified time period. In case of transmission duringscan, pauses scanning. Scanning resumes after passinga specified time period specified.± Push and hold this key for 1 sec. to indicate the scangroup, then push to select the desired group.SCAN B KEY± Push to start and cancel scanning operation. In case oftransmission during scan, pauses scanning. Scanningresumes after passing a specified time period.± Push and hold this key for 1 sec. to indicate the scangroup, then push to select the desired group.PRIORITY CHANNEL KEYS± Push to select Priority A or Priority B channel.± Push and hold [Prio A (Rewrite)] to rewrite the Prio Achannel.