- VERTEX STANDARD VX-820 OPERATING MANUAL

VX-820 OPERATING MANUAL
17
DTMF CODE SET
(
16-KEY VERSION ONLY
)
You may send the desired telephone number manu-
ally.
To dial a number manually, press the assigned pro-
grammable key, then press the desired numbers on
the front panel’s numeric key. Now, press the PTT
switch to send the telephone number. The DTMF
tones sent during the dialing sequence will be heard
in the speaker.
ADVANCED OPERATION
TA SCAN
Press the assigned programmable key to toggle the
TA (Talk Around) scan feature “On” and “Off.”
While TA scan is proceeding, the VX-820 will search
both the transmit and receive frequencies (the “
”
icon will blink). When a signal is encountered on
the receive frequency, the VX-820 will pause until
the signal disappears (“
” icon will appear but not
blink). When a signal is encountered on the transmit
frequency, the VX-820 will check for activity on the
receive frequency every few seconds (interval pro-
grammed by your Dealer).