Yaesu VX-451 Operating Manual page 29

S S
Press (or press and hold) the assigned Programmable
key to change the 5-Tone status code. To change the
status code, select the desired digit by [ A ] key, then
change the number by [ B ] / [ C ] key, and store the num-
ber by [ D ] key.
S U /D
Press (or press and hold) the assigned Programmable
key to select a 5-Tone status code from the pre-de-
fined status list.
S C
Press (or press and hold) the assigned Programmable
key to check the 5-Tone receive status code. When
you press (or press and hold) this key, the display
will indicate the "Message" corresponding to the re-
ceive status condition per the pre-defined status list.
VX-450 S O
A
M
O
D
Press (or press and hold) the assigned Programmable
key to toggle the Duty function of the 2-tone/5-tone
decoder "On" and "Off."
When the Duty function is set to"On," the user will
always hear (depending on the sub-audio signalling)
all traffic on the paging channel. The radio will sound
the paging alert when it receives the programmed 2-
tone/5-tone code.
When the Duty function is set to"Off," the user will
NOT hear normal radio traffic on the paging channel.
The radio will sound the paging alert and unmute only
when it receives the programmed 2-tone/5-tone code.
O SW1
Activates the optional accessory "1" while pressing
the assigned Programmable key.
O SW2
Press (or press and hold) the assigned Programmable
key to toggle the optional accessory "2" "On" and
"Off."