why are my speed and log readings are crazy?

why are my speed and log readings are crazy?
customer support department
frequently asked questions
Network Speed and Quad Displays
“My Network Speed or Quad Display shows
crazy boat-speed and log values!”
This problem can be characterised by one or more of the following symptoms:
•
•
•
extremely high/low boat speed readings; e.g. 99.9 knots or 0.10 knots
extremely high/low stored log values; e.g. 87932 Nm or 00000 Nm
stored log values which are very high and then decrease in value
Things to check for:
Incorrect Log Calibration Value:
Network Speed Displays
1. Press the Speed key to display current boat speed.
2. Press the Setup key four times to display the LOG CAL value.
Network Quad Displays
1. Press the Speed key to display current boat speed.
2. Press the Setup key four times to display the LOG CAL value.
Dependent upon the software value loaded, the default Log Calibration value will either be 6.25 (six bladed paddles) or
4.00 (four-bladed paddles). If the log calibration value shows –0.01, 0.00 or 9.99, this should be changed back to the
factory default value to match the paddlewheel sensor. This will restore correct boat speed-readings.
If, because of an incorrect log calibration value, it is found that you have incorrect Stored Log values, then a reset can
be performed on the display to restore complete functionality. It should be noted however that this will restore all
settings, depth datum’s and alarms. These should be recorded before the reset and then re-entered after the process has
been completed.
Display Local Reset Procedure:
To reset the displays, it is necessary to enter a special diagnostic mode. To do this, proceed as follows:
Network Speed Display
1. Press and hold the Speed and Light keys together for seven seconds until “VERSION” is shown.
2. Press the Scroll Down key until the display shows “LOC r” (Local Reset).
3. Press the Enter key. This completes the procedure.
Network Quad Display
4. Press and hold the Speed and Light keys together for seven seconds until “VERSi” is shown.
5. Press the Scroll Down key until the display shows “LOC r” (Local Reset).
6. Press the Enter key. This completes the procedure.
Important Note:
If the display does not show Local Reset in the Diagnostic Mode, then the unit will need to be reset by using the SYS
RES (System Reset) command. However, the display must be isolated from all other Network displays, including
autopilots, to prevent complete re-calibration!
B&G Customer Support
Premier Way
Abbey Park
Romsey
Hampshire
SO51 9DH
UK
FAQ - Net Speed Quad - My speed and log readings are crazy.doc
James Duynisveld 19/01/2007
www.bandg.com
Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Download PDF

advertisement