Raymarine i50 Depth, Installation And Operation Instructions Manual

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Note: To exit the User Calibration pages at any
time, press and hold the Speed and Trip buttons
at the same time for approximately 2 seconds.
7.7 Intermediate calibration — i50
Speed
Intermediate calibration allows you to:
• Check the instrument software version.
• Check and if necessary set the instrument status
as either Master or Repeater.
• Perform a calibration speed run over a measured
distance to ensure accurate speed readings.
Checking i50 Speed software version and
status
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During normal operation:
1. Press and hold the
Speed and Trip buttons at
the same time for approximately 4 seconds, until
the Software Version page is displayed.
2. Press the Speed button to display the instrument
status.
Master (transducer connected) or Repeater (No
transducer connected).
3. Press the Speed button again to begin the Speed
Run Calibration.
4. To exit the Intermediate Calibration settings at
any time, press and hold the Speed and Trip
buttons at the same time for approximately 4
seconds.
Performing a Speed Run Calibration
The Speed Run Calibration involves carrying out
2 or more runs, over a measured distance, to
enable a calibration factor to be determined. Each
run consists of an outward and a return leg which
minimizes the effect of tidal drift when the calibration
factor is determined.
From the Intermediate Calibration page:
Note: This procedure is not required if Speed is
set to SOG.
1. Press the Speed button until you reach the
Speed Run Calibration page (2 presses from the
Software Version page).
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2. Press the Timer and Reset buttons at the same
time.
The run length flashes.
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T ime r R e s e t
i50 Speed
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