Operation Manual

VX-450 SerieS Operating Manual
22
adVanced operatIon
Description of Operating Functions
encryptIon
Press (or press and hold) the assigned Programmable
key to toggle the Encryption feature “On” and “Off.”
In the
VX-454/-459
, when the Voice Scrambler fea-
ture is activated, the “ ” icon will be indicated on
the display.
set
(
Vx-454 & Vx-459 only
)
Press (or press and hold) the assigned Programmable
key to activate the “User Set” (Menu) Mode. See
“User Set Mode” chapter for details.
sql off
Press (or press and hold) the assigned programmable
key to open the SQL to hear background noise (unmute
the audio).
sql off -momentarIly-
Opens the SQL to hear background noise (unmute
the audio) while pressing the assigned programmable
key.
monItor
Press (or press and hold) the assigned Programmable
key to cancel any signaling features; the
BUSY/TX
indicator will glow green.
monItor -momentarIly-
Cancel any signaling features while pressing the as-
signed programmable key.
lamp
(
Vx-454 & Vx-459 only
)
Press (or press and hold) the assigned Programmable
key to illuminate the display for ve seconds.
loW poWer
Press (or press and hold) the assigned Programmable
key to set the radio’s transmitter to the “Low Power”
mode, thus extending battery life. Press (or press and
hold) the key again to return to “Normal” transmit
power when in difcult terrain.
In the
VX-454/-459
, when the radio’s transmitter is
set to “Low Power” mode, the “
L
” icon will be indi-
cated on the display.