Pilot Messages - Honeywell PRIMUS 660 Pilot's Manual

R
PRIMUS 660 Digital Weather Radar System
Table 8–3 describes the pilot messages.
Pilot MSG
RADAR FAIL
RADAR CAUTION A failure has been detected that can compromise the
PICTURE UNCAL The radar functions are ok, but receiver calibration is
TILT UNCAL
SPOKING LIKELY A problem has been detected that can cause spoking
STAB UNCAL
SCAN SWITCH
XMIT SWITCH
In–Flight Troubleshooting
8-8
The radar is currently inoperable and should not be
relied upon. It needs to be replaced or repaired at the
next opportunity.
calibration accuracy of the radar. Information from the
radar should be used only for advisory purposes such
as ground mapping for navigation.
degraded. Color level calibration should be assumed
to be incorrect.
Have the RTA checked at the next opportunity.
An error in the antenna position system has been
detected. The displayed tilt angle setting could be
incorrect. This can also cause ground spoking.
Have the RTA checked at the next opportunity.
to occur.
Have the system checked at the next opportunity.
An error in the antenna positioning system has been
detected. Groundspoking, or excessive ground
returns during roll maneuvers can occur. This can be
due either to the RTA or the source of pitch and roll
information to the RTA.
The SCAN SWITCH located on the RTA is off,
disabling the antenna scan. Check at the next
opportunity.
The XMIT switch located on the RTA is off, disabling
the transmitter. Check at the next opportunity.

Pilot Messages

Table 8–3
Description
A28–1146–111
REV 2