7
1
PREPARATION
D
Analog and APCO P25 modes operation (Continued)
TONE/NAC CH SELECT KEY
“T SEL”
(Not available on Non-display types)
➥
While in the analog mode, push to enter the continuous
tone channel selection mode, then select a desired tone
frequency/code setting using
[CH Up]/[CH Down] or [CH
Up/Down]. After selecting, push this key again to set.
➥
While in the APCO P25 mode, push to enter the NAC
channel selection mode, then select a desired NAC set-
ting using
[CH Up]/[CH Down] or [CH Up/Down]. After
selecting, push this key again to set.
➥
While in the mixed (digital and analog) mode, push to enter
the continuous tone channel selection mode, then select
a desired tone frequency/code setting using
[CH Up]/[CH
Down] or [CH Up/Down]. After selecting, push this key to
set. After that, the NAC channel selection screen appears.
Select a desired NAC setting using
[CH Up]/[CH Down]
or
[CH Up/Down]. After selecting, push this key again to
set.
D
APCO P25 mode operation
ZEROIZE KEY
“ZERO”
Hold down for 1 second to zeroize the encryption key data
which is programmed by the key loader.
After zeroising, the transceiver cannot decrypt the encrypt-
ed code.
SITE LOCK KEY
“SLCK”
(Trunking mode only) (p. 30)
Push to lock the transceiver to the current registered site.
When the Site Lock function is activated, roaming and the
background scan are inhibited.
Push again to turn the Site Lock function OFF.
ENCRYPTION KEY
“DENC” (p. 58)
- The UT-125
aes
/
des
encryption
unit
or UT-128
des
encryption
unit
is required.
❍
For Simple and 10-key types
Push to turn the Encryption function ON or OFF.
❍
For Non-display types
➥
Hold down for 1 second to turn the Encryption function
ON.
➥
If the function is ON, push the key to turn it OFF.
