ICOM 280401 Manuale Utente

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5
OPTIONAL UNIT INSTALLATION
5
■ UT-111 installation
The following PC board modification is required when
installing the optional UT-111 
LTR TRUNKING BOARD
:
q Rotate [VOL] to turn the power OFF, and remove the bat-
tery pack. (p. 2)
w Remove the rear panel and take off the chassis as shown
on p. 30 (Optional unit installation).
e Cut the pattern on the PCB at the CP18, then solder CP19
on the chassis as shown below.
r Install the UT-111 
LTR TRUNKING BOARD
as described in the
Optional unit installation (p. 30).
t Replace the chassis and the rear panel, and attach the
battery pack. Then rotate [VOL] to turn the power ON.
NOTE: When uninstalling the unit
Be sure to re-solder the disconnected points and un-sol-
der the connected points as above when you remove the
unit. Otherwise no TX modulation or AF output is available.
Un-solder
Re-solder
Remove
CP-19
CP-18
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