Furuno TZT9 Operator's Manual page 232

[Pressure]: The pressure forecast
displays surface pressure.
Pressure icon
980
[500mb]: The 500mb forecast dis-
plays the contour lines over 500
mb.
1 8
1 0 2 0
High pressure
Low pressure
Warm front
Cold front
Occluded front
Stationary front
Trough
Squall line
Dry line
Isobars
1010
12. WEATHER
Meaning
12-11