Garmin GNC 420 - Manual (Page 226)

GNC 420(A) Pilot’s Guide and Reference 11-36
SECTION 11
ADDITIONAL FEATURES
Temp - Dewpoint Display Ranges
(Blank) Unknown
11°+
(Green)
7° - 10°
(Green)
0° - 6°
(Yellow)
Table 11-18 Temp-Dewpoint Ranges
This symbol in Figure 11-50 displays the difference
between the reported temperature and dewpoint as 7-10
degrees Fahrenheit at KSPW.
Figure 11-50 Temp-Dewpoint Symbol
Temperature Dewpoint
190-00140-20 Rev. K