Furuno GS-100 Operator's Manual page 102

APPENDIX 2 LIST OF TERMS/SYMBOLS
Symbols
Symbols
AP-8
Active unacknowledged warning
Active acknowledged warning
Active responsibility transferred warning
Rectified unacknowledged warning
Silenced warning
Caution
Ship speed notice (See section 4.2.)
Trip notice (See section 4.3.)
There is no GS-1001 in CAN network but SC-30 is.
The antenna vibration frequency is over 5 G.
Satellite blocked. The common satellite for antenna 1
and 2 is blocked.
Ready to output speed signal (See paragraph 3.7.4.)
Ready to output heading signal (See paragraph 3.7.4.)
High precision speed computing
Demo mode
Meaning