Furuno FAR-2107 Series Service Manual page 71

Note;
1) The model name is changed from RTR-081 to RTR-081A, but this change is not
applied to Installation and Operator's manuals, including the outline drawing.
2) The RF unit as spare parts is shipped without the waveguide adapter. Use one
mounted on the RF unit to be replaced. Fig.5
3) Table below shows how to exchange the RF unit between two transceiver units.
Transceiver
Unit
RF unit
Fig. 5 Waveguide Adapter on RF unit
Original Chassis
(RTR-081)
To use the new RF unit in
the original chassis,
remove the waveguide
adapter and add the
waveguide spacer removed
from the existing RF unit.
Current Chassis
(RTR-081A)
To use the old RF unit in the
current chassis, remove the
waveguide spacer and add
the waveguide adapter
removed from the existing RF
unit.
To remove the waveguide
adapter, loosen four fixing
screws.
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