Motorola MT2000 用户手册

F5 - GE STAR SYSTEM  is a signalling protocol which provides such features as Data Operated Squelch

(DOS), Emergency Alarm, and PTT-ID. The GE STAR Systems defined from this menu option can be
specified in the CONVENTIONAL PERSONALITY Screen (from Main, F4,F6,F3) when GE STAR is
selected for the Signalling field. 

F10 - EXIT moves the display backward in the RSS tree, one screen or menu at a time.