■Optional UT-109 or UT-110
installation
qTurn the power OFF, then disconnect the DC power cable. w Unscrew the 4 cover screws, then remove the bottom
cover.
e Cut the pattern on the PCB at the TX mic circuit (MIC) and RX AF circuit (DISC) as shown below.
r Install the scrambler unit as described in the installation of optional
t Replace the bottom cover and screws.
CONNECTION AND MAINTENANCE 4
■Optional OPC-617 installation
Install the OPC-617 as shown below.
DISC
Front panel
MIC
Cut off the bushing as in the illustration, when you install the optional
OPTIONAL CABLE PIN ASSIGNMENT
NOTE: Be sure to
t r e w q | q Dimmer cont. IN or | y Horn drive cont. OUT |
| IGSW cont. IN | u AF GND |
| w AF OUT | i Det. AF GND |
| e Det. AF OUT | o Mod. GND |
| r Mod. IN |
|
o i u y | t PTT control IN or |
|
| FTSW control IN |
|
16