A28-1146-102-00
Operating Controls
3-23
WARNINGS
1. TO AVOID FLYING UNDER OR OVER STORMS,
FREQUENTLY SELECT MANUAL TILT TO SCAN BOTH
ABOVE AND BELOW YOUR FLIGHT LEVEL.
2. ALWAYS USE MANUAL TILT FOR WEATHER ANALYSIS.
7 RANGE
RANGE is a rotary control used to select one of six ranges (10, 25, 50,
100, 200,and 300 NM). Theseventh position ofthe range switchis flight
plan mode. Selecting FPLN blanks the radar information from the EFIS
display and the mode annunciation flashes if a radiating mode is
selected. The EFIS is set to a range determined by the installation.
Target alert can be used in the FPLN mode. With target alert on in the
FPLN mode, the target alert armed annunciation (greenTGT) isdisplayed.
The RTA becomes active and starts searching for a hazardous target
from 5 to 55 milesand ±7.5_ dead ahead. No radar targets are displayed.
If a hazardous target is detected, the target alert armed annunciation
switches to the alert annunciation (amber TGT). This advisory indicates
that a hazardous target is in the aircraft’s flightpath and the WX mode
should be selected.
8 SLV (Slave)
The SLV annunciator isa dead frontannunciator thatis onlyused indual
controller installations. With dual controllers, one controller can be
slaved to the other by selecting the RADAR modeswitch to OFF on that
controller, only. This slaved condition is annunciated with the SLV
annunciator.
In the slaved condition both controllers must be off before the radar
system turns off.
9 MODE
The MODE switch is a rotary switch used to select one of the following
functions:
D OFF - In this position the radar system is turned off.
D STBY - In this position the radar system is placed in standby; a
ready state, with the antenna scan stopped, the transmitter
inhibited, and the display memory erased. STBY, in green, is
displayed in the mode field.
If STBY is selected before the initial RTA warmup period is complete
(approximately 45 - 90 seconds), the flashing WAIT legend is
displayed in the mode field.
