Preparation - Icom IC-F9011B Operating Manual

D For ABC and Toggle switches only
SCRAMBLER SWITCH (Analog mode only)
Turns the Voice Scrambler function ON or OFF.
COMPANDER SWITCH (Analog mode only)
Turns the Compander function ON or OFF.
The Compander function reduces noise components from the
transmitted audio to provide clear communication.
SCRAMBLER/ENCRYPTION SWITCH
(Analog and APCO P25 modes)
- The UT-125 /
aes des encryption unit
is required for the Encryption function.
unit
➥ While in the analog mode, turns the Voice Scrambler func-
tion ON or OFF.
➥ While in the P25 Conventional mode, turns the Encryption
function ON or OFF.
➥ While in the mixed (digital and analog) mode, simultane-
ously turns the Voice Scrambler and Encryption functions
ON or OFF.
ENCRYPTION SWITCH (APCO P25 mode only)
- The UT-125 /
aes des encryption unit
is required.
unit
Turns the Encryption function ON or OFF.
SITE LOCK SWITCH (APCO P25 Trunking mode only)
Locks the transceiver in the currently registered site.
When the Site Lock function is activated, roaming and the
background scan are inhibited.
or UT-128
des encryption
or UT-128
des encryption
1

PREPARATION

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