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Icom IC-F521 - Transmitter Circuits Overview

Icom IC-F521
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ID MEMORY READ KEY
Recalls detected ID codes.
Push this key, then push [
]/[ ] for selec-
tion.
Up to 5 ID
s are memorized.
Push and hold this key to erase all memorized
IDs.
TRUNKING GROUP KEY
Push to select the Trunking group.
MIC COMPANDER KEY
Push to toggle the mic compander function ON
or OFF.
USER SET MODE KEY
Changes the contents of the items in the User
Set mode.
Push and hold
[SET] for 1 sec. to enter set
mode, push [SET] momentarily to select the
item. Push [
] and [ ] to set the desired
level/condition.
Push and hold
[SET] again to exit set mode.
User set mode also available via the Power
ON function’. Please refer p. 10 also.
[ID MR]
[GRP]
[COMP]
[SET]
SCRAMBLER KEY
Push and hold to turn the voice scrambler
function ON.
• Push to turn the voice scrambler function OFF.
NOTE:
Optional UT-109 (#02) or UT-110 (#02)
VOICE SCRAMBLER UNIT is required.
- UT-109 : Non-rolling type.
32 codes are available.
- UT-110 : Rolling type. Provides higher communi-
cation security.
1020 (4 groups × 255) cods are available.
This transceiver requires version #02 unit,
do not install version #01, as they are not
compatible.
UT-109 and UT-110 require some PC board
modifications. Please refer
Optional
UT-109/UT-110 installation’. (p. 15)
• Please contact your Dealer for details.
[SCRM]
6
1
PANEL DESCRIPTION

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