Icom IC-F1821D Instruction Manual page 12

1
PANEL DESCRIPTION
SCRAMBLER/ENCRYPTION KEY
(LMR (P25 Conventional) operation only)
➥ While in the analog mode operation, push to toggle the
voice scrambler function ON and OFF.
➥ While in the digital mode operation, push to toggle the
encryption transmission function ON and OFF.
➥ While in the mixed (digital and analog) mode operation,
push to toggle the voice scrambler and encryption trans-
mission functions ON and OFF, separately or simultane-
ously as below.
Voice scrambler and Encryption transmittion
functions OFF ( disappears)
PUSH
Voice scrambler function ON
PUSH
Encryption transmittion function ON
PUSH
Voice scrambler and Encryption transmittion
( appears)
functions ON
PUSH
8
( appears)
( appears)
D For Digital mode operation only
INDIVIDUAL KEY
➥ Push to enter the individual ID code selection mode directly.
Then select the desired individual ID code using [CH Up]/
[CH Down]. (p. 13)
➥ Push to stop the beep emission when receiving a matched
individual ID code.
TALKGROUP KEY
➥ Push to enter the talkgroup ID code selection mode directly.
Then select the desired talkgroup ID code using [CH Up]/
[CH Down]. (p. 13)
➥ Push to stop the beep emission when receiving a matched
talkgroup ID code.
ZEROIZE KEY
Push and hold to zeroize the encryption key data, pro-
grammed by the FS-F70/F1700
ENCRYPTION KEY
Push to toggle the encryption transmission function ON or
OFF.
When this function is turned ON, " " appears on the function
display.
.
FLASH LOADER