User's Manual Part 2

7. NBDP SYSTEM OVERVIEW
7-8
Function key F7: WRU (Who Are You?)
In the ARQ mode, request other station's answerback code.
Function key F8: HR (Here Is)
In the ARQ mode, send your ship's answerback code.
Function key F9: OVER
In the ARQ mode, switch the direction of traffic; the information receiving station
switches to the information sending station, the information sending station switches
to the information receiving station.
Function key F10: Break
Disconnect the line or cancel the standby.
[Time & Date] Enter date and time manually. If a navigation device is connected, the
time is automatically set when the power is turned on or whenever the
time system is switched. Manual entry takes priority over automatic
entry. This item cannot be adjusted when using [UTC] or [JST].
[Window
Color]
Select display colors. For details, see section 8.6.
[Self Test] Start diagnostic test.
Menu item Function