3
Contents
1 Introduction ................................................................................................... 5
2 Front- and back-panel layout ....................................................................... 7
3 Operation ....................................................................................................... 9
3.1 Antenna.................................................................................................... 9
3.2 Power switch ............................................................................................ 9
3.3 Display ..................................................................................................... 9
3.4 Buoy Finder 4A display messages ......................................................... 10
3.4.1 Synchronization .............................................................................. 10
3.4.2 Gps messages ................................................................................ 10
3.4.3 Heave ............................................................................................. 11
3.4.4 Bit errors ......................................................................................... 11
3.5 Speaker.................................................................................................. 12
3.6 Menu functions and programming.......................................................... 12
3.6.1 Activating the menu function ........................................................... 12
3.6.2 Menu structure and control ............................................................. 13
3.6.3 Changing the receiver mode ........................................................... 15
3.6.4 Changing the frequency .................................................................. 15
3.6.5 Memory functions............................................................................ 15
3.6.6 Info functions and signal quality monitoring .................................... 18
4 Battery replacement and troubleshooting ................................................ 21
4.1 Battery power and replacement ............................................................. 21
4.2 Antenna, signal quality and noise........................................................... 22
5 Specifications .............................................................................................. 23
Appendix A: Datawell Sales and Service Addresses .................................. 25