Furuno FA-170 Installation Manual page 58

APPENDIX 2 DIGITAL INTERFACE
Output only sentence
PIWWSPR - Inland AIS security password response
$PIWWSPR a, x, x, x, hh<CR><LF>
1 2 3 4
1. Mode (E: Password input, C: Password change)
2. Password level (1: Maintenance password, 2: User password, NULL)
3. Valid time (0 to 60 (s), NULL)
4. Status (0: Pass, 1: Fail)
AP-16