Dsp Receive Unit; Optional If Fi Lters - Icom ic-718 Instruction Manual

9
INSTALLATION AND CONNECTIONS
 UT-106

DSP RECEIVE UNIT

The UT-106 provides AF DSP functions such as
noise reduction and auto notch.
Installation
q Remove the bottom cover.
w Slide the insulating case onto the UT-106 as
shown to the right. (Fig. 1)
e Remove the connection cable (P2601) from J2602
on the MAIN unit. Connect the cable into J1 on the
UT-106.
r Plug the connection cable (P1) from the UT-106 to
J2602 on the MAIN unit.
t Plug the fl at cable into J3 on the UT-106 and to
J2603 on the MAIN unit.
• Take care to observe the conductor direction.
y Turn the UT-106 unit over. (Fig. 2)
• You do not need to fi x with an adhesive strip.
u Put the UT-106 on the MAIN unit.
• You do not need to fi x with an adhesive strip.
• Ensure that the extra cable from UT-106 is stored
under the unit.
i Return the bottom cover to its original position.
 Optional IF fi lters
Several IF fi lters are available to select a desired se-
lectivity. You can install 1 fi lter for the 455 kHz IF.
Choose the appropriate fi lter for your operating needs.
(pgs, 24−25)
Installation
q Remove the bottom cover as shown on page 48.
w Remove 7 screws, connection cable P1 from J1, P5
from J701, W4 from J4101 and W5 from J4001 and
2 Tr-clampers as shown in the diagram below.
e Install the desired 455 kHz fi lter as shown in the
diagram below.
P 1
J 701
J 1
W 5
Tr-clamper
50
P 5
W 4
Tr-clamper
J 4101
MAIN unit
flat cable
P 2601
insulating case
J 2603
MAIN unit
• Turn the unit over
insulating case
UT-106
Flat cable*
Extra cable
J 2602
J 2602
Main unit
Fig. 2
r Mount the fi lter with the supplied washers and nuts.
t Solder the 4 leads.
y Return the MAIN unit and bottom cover to their
original positions.
After installing the fi lter, select it in the Initial Set
mode. (p. 47) Otherwise, the installed fi lter will not
function properly.
Optional IF filter
Solder 4 leads
Turn the unit over
UT-106
P 1 (from UT-106)
J 2602
Fig. 1
Rear panel
UT-106
J 2603
* Supplied with UT-106