2. RADAR, CHART RADAR OPERATION
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Restrictions
The followings are the restrictions of the dual radar function.
• A REF (reference) mark can be entered on the display of the main radar but not the
external radar.
• TT targets can be acquired manually. [TT SELECT] is set to manual acquisition.
• The reference position is set to [CCRP] (see section 2.33). Set the same CCRP po-
sition between two radars at the time of installation.
• [ECHO AREA] is set to [CIRCLE] (see section 2.38).
• The following functions are not available in the dual radar mode.
• Performance monitor • TT simulation mode
• SART • Icing prevention
• Tune initialize • Interswitch