Garmin GTN 650Xi Series Pilot's Manual page 368

Hazard Awareness
WATCH
FEATURE LIMITATIONS
•
Not available for third-party radars
•
Horizontal scans only
Use WATCH to determine areas of inaccuracies in displayed intensity from
attenuation while in horizontal scan mode. Adjust tilt to determine the extent of
attenuation in a shaded area. WATCH displays only in horizontal scans.
WATCH Off
WEATHER MESSAGES
FEATURE LIMITATIONS
•
Not available for third-party radars
•
Not available during ground mode
•
Horizontal scans only
•
If the antenna tilt is adjusted too low, a weather alert is generated by ground
returns.
•
If a weather alert is detected within +10 degrees of the aircraft heading, an
advisory displays in the message list.
5-60
WATCH On
These alerts indicate the presence of heavy
precipitation beyond the current display range
(80 nm to 320 nm from current position).
Red bands on the outer range ring display at the
approximate azimuth of severe weather targets.
Pilot's Guide 190-02327-03 Rev. C