Weather Radio User Manual

PRIMUS
r
880
Digital
W
eather
Radar
System
A28-1146-102-00
Operating Controls
3-6
WARNING
FORCED STANDBYMODE MUSTBEVERIFIEDBYTHEOPERATOR
TO ENSURE SAFETY FOR GROUND PERSONNEL.
3 TGT (Target)
The TGT button is an alternate-action switch that enables and
disablestheradartargetalertfeature.Targetalertisselectableinallbut
the 300-mile range. When selected, target alert monitors beyond the
selectedrangeand7.5° oneachsideoftheaircraftheading.Ifareturn
with target alert characteristics is detected in the monitored area, the
target alert legend changes from the green T armed condition to the
yellow TGT warning condition. (See the target alert characteristics in
table3-2for atarget description.)These annunciationsadvise thepilot
of potentially hazardous targets directly in front of the aircraft that are
outsidetheselectedrange.Whenayellowwarningisreceived,thepilot
should select longer ranges to view the questionable target. (Note that
target alert is inactive within the selected range.)
Selecting target alert forces thesystem topreset gain.Target alertcan
be selected only in the WX or FP modes.
NOTE: In order to activate the target alert warning, the target must
have the depth and range characteristics described in table
3-2.