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FUEL 3100 / DIESEL 3200 Installation and Operation Manual
NAVMAN
3-8 Speed calibration by log (CAL.L)
(Only available if an optional paddlewheel
sensor is connected to the unit and InPUt
= SEn.) Select CAL.L to calibrate the
paddlewheel speed sensor using the trip log.
1 Press until LOG is displayed in the lower
part of the screen. Press ENT + to reset
LOG to 0.
2 Travel a known distance in a straight line
at a speed between 5 and 20 knots. Best
results are achieved in calm conditions
and with minimal current (best at high or
low tide). Tidal effects can be reduced by
making the trip once in each direction,
parallel to the current, to average the
distance.
3 Select the SPEED setup menu, then select
CAL.L, the distance travelled.
4 If the value of CAL.L does not match the
known distance, press ENT then or
and change the value until it does match.
Then press ENT to save the correct value
(otherwise press ESC to exit).
3-9 Speed calibration by boat speed
(CAL.S)
(Only available if an optional paddlewheel
sensor is connected to the unit and InPUt
= SEn.) Select CAL.S to calibrate the
paddlewheel speed sensor using boat speed.
You need an accurate way of knowing boat
speed, such as another boat with a calibrated
paddlewheel sensor or a GPS receiver.
For accurate calibration:
• The speed from another paddlewheel
sensor should be between 5 and 20 knots.
• Conditions should be calm, with little
current (best at high or low tide).
To calibrate:
1 Travel at a constant, known speed.
2 Select the SPEED setup menu, then select
CAL.S, the boat speed.
3 If the value of CAL.S does not match the
known boat speed, press ENT then or
and change the value until it does match.
Then press ENT to save the correct value
(otherwise press ESC to exit).
Note:
After you press ENT, it does not matter if the
boat’s speed changes.
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