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7. MAINTENANCE, TROUBLESHOOTING
7-4
7.4.3 Radar
Requires a network radar.
Radar troubleshooting
If… But… Then…
you pressed the
[POWER/BRILL] key
and the RADAR soft
key to show the radar
picture
picture does not appear • check that the antenna cable is
firmly fastened.
• check that radar source is correct.
marks, legends
appear
no echo appears • check Tx fuse in the power cable.
If it is blown, replace it.
the picture is not
updated or it freezes
— • check antenna cable.
• for freeze up, turn the display unit
off and on again.
tuning is adjusted sensitivity is poor • magnetron may need to be
replaced. Contact your dealer.
the range is changed radar picture does not change • try to hit the [+] and [-] keys again.
• turn the display unit off and on
again.
there is poor
discrimination in range
— • adjust A/C SEA.
the true motion
presentation is not
working properly
— • reselect true motion mode.
• check if heading and speed data
are input.
range rings are not
displayed
— • hit the RADAR DISPLY and
RINGS soft keys to display them.