B&G Hydra 2000, Руководство пользователя

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Hydra 2000 User Manual
Part 6 - Diagnostic Data
HB-0844-02
6-3
6.1.2 Key Test
The display requests the user to press each key in turn as follows:
Key 1 Enter
Key 2 Scroll Down
Key 3 Scroll Up
Key 4 Page
Key 5 Power/Lights
Key 6 Navigation
Key 7 Wind
Key 8 Speed/Depth
If it does not detect the key being pressed in a short time then the
message TIME OUT is displayed.
6.1.3 Display
The Scroll Up Key can be used to step the display through a
sequence that puts on single segments in all characters, blanks
the display and turns on all segments. When all segments are
turned on 16 characters are displayed at the top and bottom of the
display. In the rest of the test and in normal operation only 10 are
used as the unused segments are all connected together. To stop
the display test press the
Enter Key.
6.1.4 Network
This tests some of the FFDs circuitry for communicating on the
network. At the end of the test the display will show a PASS or a
value if failed.
6.1.5 RAM
This tests the correct operation of the FFD's internal RAM. If the
test passes RAM PASS OK is displayed. If the test fails then
RAM FAIL is displayed and correct operation of the unit cannot be
guaranteed.