Display Dimmer Adjustment - Icom IC-775 Maintenance Manual

DISPLAY DIMMER ADJUSTMENT
The low intensity of the display backlighting can be
adjusted as follows.
() Remove the top cover as described on the first
page.
@) Select low intensity for the display dimmer in
P-set mode. (p. 41)
@) Rotate R201 (see right) to obtain the desired
intensity as shown at right.
Ul-100 DSP UNIT INSTALLATION
The UI-100 DSP UNIT provides noise reduction, DSP @) Insert the DSP unit into the slots at the backside
modulation/demodulation, DSP filters, auto notch, of the main and sub dials.
auto APF, etc. for the IC-775. The IC-775DSP has a @ Tighten the 2 supplied screws as shown below.
DSP unit as standard. () Replace the top cover.
Install the DSP unit as follows:
() Remove the top cover as described on the first
page.
@) Connect the 3 plugs (attached to the backside of
the front panel) to the appropriate connectors as
shown below.
After installation, read the instruction manual as
for a "DSP-equipped type" transceiver. The
[AF LPF] switch functions as the auto notch
switch in SSB mode and the auto APF switch in
CW mode.
For DSP function details, refer to the instruction
anual.
- Noise reduction (p. 29)
- DSP modulation/demodulation (p. 42)
- DSP filters (p. 42)
- Auto notch (p. 29)
- Auto APF/80 Hz ultra narrow filter (p. 30) QQ WWW °F Wwnaxs§yqIqAj\VQ