2 PANEL DESCRIPTIONProgrammable function keys■The following functions can be assigned to the [EMR],[Side1], [Side2], [Side3], [P0], [P1], [P2] and [P3] program-mable function keys in the Normal mode and the Shift mode.When [Shift] is assigned, you can toggle between Normalmode and Shift mode, and both key functions, assigned intothe Normal mode and the Shift mode, are available.If [Shift] is not assigned to any key, the Shift mode cannot beselected, and the Shift mode key functions are disabled.Consult your Icom dealer or system operator for details con-cerning your transceiver’s programming.CH UP AND DOWN KEYS “UP” “DOWN”➥ Push to select an operating channel. When [Rotary selec-tor] selects “operating channel,” this key is disabled.➥ As described in the following topics, after pushing a pro-grammed key, push [CH Up] or [CH Down] to select anoption, setting, etc.ZONE KEY “ZONE”Push this key, then push [CH Up] or [CH Down] to selectthe desired zone. When [Rotary selector] selects “operatingzone,” this key operation is disabled.What is a “zone”?— Selected channels are assigned to azone according to how they are to be used in a group. Forexample, ‘Staff A’ and ‘Staff B’ are assigned to a “Busi-ness” zone, and ‘John’ and ‘Cindy’ are assigned to a “Pri-vate” zone.ZONE UP AND DOWN KEY “ZNUP” “ZNDN”Push to select an operating zone. When [Rotary selector] se-lects “operating zone,” these key are disabled.SHIFT KEYS “SHFT”Push to switch the Normal mode key functions and the Shiftmode key functions.• When the Shift mode is selected, the display briefly shows “SHIFTON.” When the Normal mode is selected, the display briefly shows“SHIFT OFF.”Normal modekey functionsSET CALL TXCET2 461.5001 ch-02CALL SHFT dPMR CLRT2 461.5001 ch-02Shift modeKey functionsNormal modeShift modeSHFTPush[Shift]7