Operation Manual

VX-450 SerieS Operating Manual
36
locK
In order to prevent accidental channel change or
inadvertent transmission, various aspects of the
CH
Selector knob, Programmable keys, and
PTT
switch may be locked.
The precise lockout conguration is programmed by
your Dealer.
To locked out the key locking, turn the radio off.
Now, press and hold the
PTT
and
SIDE-2
key while
turning the radio on again.
To cancel locking, repeat this process.
man doWn functIon
(
requIres tHe dVs-9
)
The man down function is programmable to monitor
a variety of worker timed safety scenarios vertically
and horizontally as well as worker degree of mo-
tion. For further details contact your Vertex Standard
Dealer.
arts
tm
(
auto range transpond system
)
This system is designed to inform you when you and
another ARTS
TM
-equipped station are within commu-
nication range.
During ARTS
TM
operation, when the radio receives
an incoming ARTS
TM
signal, a short beep will sound,
and “
IN SERV
” (“In Service”) will be indicated on the
display for 2 seconds
ø
. If you move out of range for
more than two minutes, your radio senses that no sig-
nal has been received; a short triple-beep will sound,
and “
OUT SERV
” (“Out of Service”) will be displayed
on the display for 2 seconds
ø
. If you subsequently
move back into communication range, as soon as the
other station transmits, a short beep will sound and
“
IN SERV
” will be indicated again on the display for
2 seconds
ø
ø
:
VX-454
and
VX-459
Only.