VX-450 S
ERIES
O
PERATING
M
ANUAL
21
G
ROUP
U
P
/D
OWN
Press (or press and hold) the assigned Programmable
key to select a different Group of channels. Once the
desired Group is reached, rotate the
CH
Selector knob
to select the desired channel within the selected
Group.
C
HANNEL
U
P
/D
OWN
Press (or press and hold) the assigned Programmable
key to select a different channel within the current
Group.
S
PEED
CH U
P
/D
OWN
Press and hold the assigned programmable key causes
the radio to begin stepping (repeatedly) upward or
downward through the channels.
PRI-1/PRI-2
Press (or press and hold) the assigned programmable
key to recall the pre-programmed priority channel
directly. This is pre-programmed by your Vertex Stan-
dard dealer.
PRI-2 S
ET
Press (or press and hold) the assigned programmable
key to toggle the current channel to the priority chan-
nel 2 “enable” and “disable”.
PRI-2 D
ISABLE
Press (or press and hold) the assigned programmable
key to disable the priority channel 2 of the group
temporarily.
D
IRECT
CH#1
TO
#4
Press (or press and hold) the assigned Programmable
key to recall the Dealer pre-programmed channel di-
rectly.
A
DVANCED
O
PERATION
