11 PREPARATION■ Programmable function keysThe following functions can be assigned to [UP], [DOWN],[P0], [P1], [P2], [P3] and [P4] programmable function keys.Consult your Icom dealer or system operator for details con-cerning your transceiver’s programming.If the programmable function names are bracketed in the fol-lowing explanations, the specific key is used to activate thefunction.D For only BIIS 1200 operationThe following key function is required for BIIS 1200 operation.BIIS BUTTON➥ Push to enter the call code memory mode.• Push [CH Up] or [CH Down] to select a desired Individual orGroup ID.➥ While in the call code memory mode, push to enter themessage selection mode.• Push [CH Up] or [CH Down] to select a desired status messageor Short Data Message (SDM).➥ While in the message selection mode, push to return to thestand-by mode.➥ Hold down for 1 second to toggle between the memorychannel mode and the queue channel mode.➥ While in the queue channel mode, push to toggle betweenthe queue channel mode and the received messagemode.“” appears above the key assigned to the BIIS Buttonfunction, when it is activated.D For only dPMR operationThe following key functions are required for dPMR operation.dPMR BUTTON➥ Push to enter the ID selection mode.• Push [CH Up] or [CH Down] to select a desired Individual orTalkgroup ID.➥ While in the ID selection mode, push to enter the applicationselection mode.• Push [CH Up] or [CH Down] to select a desired application from“STATUS,” “MESSAGE,” “STAT POL,” “LISTENING,” “STUN,”“KILL,” “REVIVE” and “CALL LOG.”➥ If you select “STATUS” or “MESSAGE” in the application selec-tion mode, push to enter the message selection mode.• Push [CH Up] or [CH Down] to select a desired message.➥ While in the application selection mode, push to return tothe stand-by mode.CLEARAfter communication is finished, push this key to send a ‘Dis-connect’ signal to terminate the connection.Depending on the pre-programmed settings, the Priority Achannel is automatically selected after a ‘Disconnect’ sig-nal terminates a connection.