Icom IC-R75 - Ut-106 Dsp Unit; Optional if Filters

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OPTION INSTALLATIONS
■ UT-106 dsp unit
■ Optional IF filters
The UT-106 provides AF DSP functions such as
noise reduction and auto notch.
q Remove the top and bottom covers.
w Remove the shielding plate.
e Remove the connection cable (P1241) from
J1221 on the MAIN unit. Connect the cable into
J1 on the UT-106.
r Plug the connection cable (P1) from the UT-106
to J1221 on the MAIN unit.
t Plug the flat cable into J3 on the UT-106 and to
J1231 on the MAIN unit.
• Take care of the conductor direction.
y Attach the Velcro tape as shown at right. Attach
the UT-106 to the reverse side of the MAIN unit.
u Return the shielding plate, top cover and bottom
cover to their original positions.
UT-106
P1241
P1241
J1221
J1231
J3
Several IF filters are available for the IC-R75. You
can install 1 filter for both 9 MHz and 455 kHz IF.
Choose appropriate filter for your operating needs.
9 MHz optional filters:
FL-101 cw narrow filter 250 Hz/–6 dB
FL-232 rtty/cw narrow filter 350 Hz/–6 dB
FL-100 cw narrow filter 500 Hz/–6 dB
FL-223 ssb narrow filter 1.9 kHz/–6 dB
FL-103 ssb wide filter 2.8 kHz/–6 dB
455 kHz optional filters:
FL-53A cw narrow filter 250 Hz/–6 dB
FL-52A cw/rtty narrow filter 500 Hz/–6 dB
FL-222 ssb narrow filter 1.8 kHz/–6 dB
FL-96 ssb wide filter 2.8 kHz/–6 dB
FL-257 ssb wide filter 3.3 kHz/–6 dB
D Installation
q Remove the top cover as shown on the opposite
page.
w Install the desired 9 MHz filter as shown in the
diagram below.
• The filters can be installed in either direction.
e Install the desired 455 kHz filter as shown in the
diagram below.
r Replace the top cover.
After filter installation, specify the installed filter
using filter set mode. (p. 19) Otherwise, the
installed filter will not function properly.
9 MHz filter
455 kHz filter