28
ST60 Speed Instrument Owner’s Manual
4.2 User calibration
The User calibration procedures enable you to:
•
Set the required units for speed readings.
•
Set the required Log units.
•
Set the speed resolution.
•
Manually apply a calibration factor or auto-adjust to Speed Over
Ground (SOG), to obtain correct speed through the water.
•
Select temperature units.
•
Calibrate for correct temperature readings.
•
Set timer buzzer on or off.
•
Set pop-up pilot display on or off.
Procedure
To carry out a User calibration:
1. Power up the ST60 Speed instrument.
2. Press the
speed
and
trip
keys for approximately 2 seconds so that
the User calibration entry screen is displayed.
3. Referring to the
User calibration
diagram, carry out the calibration
procedure. Use the
speed
key to cycle from screen to screen and the
timer
and
reset
keys to set the required values (except Adjust to
SOG display).
Set speed units
Select either
KTS
(knots),
MPH
(miles per hour) or
KMH
(kilometres per
hour), as required.
Set resolution
Select resolution of either
0.01
or
0.1
as required.
Set log units
Select either
NM
(nautical miles),
SM
(statute miles) or
KM
(kilometres),
as required.
Setting the correct speed
Set the displayed (current) speed using one of the following methods:
PDF test 81037_4.book Page 28 Friday, July 26, 2002 11:08 AM