MAKING A DTMF CALL ................................................................................ 20
AUTODIAL ..................................................................................................... 20
STUN CODE .................................................................................................. 20
EMERGENCY CALLS ......................................................................................... 22
SCRAMBLER ....................................................................................................... 23
SIGNALING .................................................................................................... 24
OPTIONAL SIGNALING ................................................................................ 25
ADVANCED OPERATIONS ................................................................................. 26
CLOCK ........................................................................................................... 26
LCD BRIGHTNESS ........................................................................................ 26
HORN ALERT ................................................................................................ 26
PUBLIC ADDRESS (PA)................................................................................ 27
TIME-OUT TIMER (TOT) ................................................................................ 28
COMPANDER ................................................................................................ 28
PTT ID ............................................................................................................ 29
VOICE RECORDER ....................................................................................... 30
VOICE GUIDE ................................................................................................ 31
iv