PRIMUS
r
880 Digital Weather Radar System
A28- 1146- 102- 00
Operating Controls
3-17
Selecting target alert forces the system to preset gain. Target alert can
only be selected in the WX and FP modes.
In order to activate target alert, the target must have the depth and
range characteristics described in table 3- 4:
Selected Range
(NM)
Minimum Target
Depth (NM)
Target Range
(NM)
5
5
5- 55
10
5
10- 60
25
5
25- 75
50
5
50- 100
100
5
100- 150
200
5
200- 250
300
N/A
N/A
FP (Flight Plan)
5
5- 55
WC- 880 Controller Target Alert Characteristics
Table 3- 4
5
STB (Stabilization)
The STB button turns the pitch and roll stability ON and OFF. It is also
used with the STB adjust mode and to override forced standby.
NOTE:
Some controllers annunciate OFF when stabilization is OFF.
6
TRB (Turbulence Detection)
TRB is a switch used to select the turbulence detection mode of
operation. The TRB mode can only be selected if the FUNCTION
switch is in the WX or RCT positions and the selected range is 50 miles
or less. The weather/turbulence mode is annunciated in the mode field
with the WX/T legend. Areas of at least moderate turbulence are shown
in soft white. The turbulence threshold is five meters per second.
Summary of Contents for Primus 880
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