11PROGRAMMABLE FUNCTIONSThe following functions can be programmed onto the GRP Up, GRP Down,MON, SCN, and PF1 ~ PF9 keys. If desired, you do not need to have a functionprogrammed onto a key (No Function). Please contact your dealer for moreinformation on these functions.(Channel Up/ Group Up)(Channel Down/ Group Down)Press these keys to increase or decrease the channel number or groupnumber (respectively). Pressing the key momentarily will change the numberby 1 step. Pressing and holding the key will scroll through the numbers.AN (Channel Name)Press this key to switch the display between the Group/ Channel number, andthe Group/ Channel name (alphanumeric). A tone will sound each time youswitch between numerical and alphanumerical display.AUX A/ AUX B/ AUX CPress these keys to turn the Aux A, Aux B, or Aux C output port (respectively)ON or OFF. When you press the key, the AUX A, AUX B, or AUX C iconappears and a tone sounds. When you press the key again, the icondisappears and a tone sounds.CH 1 (CH 1 Direct)/ CH 2 (CH 2 Direct)/ CH 3 (CH 3 Direct)/ CH 4 (CH 4 Direct)/CH 5 (CH 5 Direct)Press these keys to directly select the Group 1/ Channel 1 directory, Group 1/Channel 2 directory, Group 1/ Channel 3 directory, Group 1/ Channel 4directory, or Group 1/ Channel 5 directory (respectively).D/A (Delete/ Add)Press this key to delete a channel/ group from, or add a channel/ group to,the scanning sequence.Press this key to add the currently displayed channel to scan. The channeladd icon appears. Press and hold this key for 2 seconds to add the currentlydisplayed group to scan. The group add icon appears.If a channel is already in the scanning sequence, and you want to delete it,press this key while the channel is displayed. The channel add icondisappears. If a group is already in the scanning sequency, and you want todelete it, press and hold this key for 2 seconds. The group add icondisappears.Press this key while scanning when an undesired channel is displayed, totemporarily delete it from scan. If there are only 2 channels in the scanningsequence, this function cannot be performed. To restore the original scanningsequence, turn scan OFF, then ON.