30 ST60 Tridata Instrument Owner’s Manual
• If you want to display the depth reading from the transducer, set a value of
0.0.
• If you want to apply a water line offset, adjust the displayed reading until the
appropriate positive offset value is shown.
• If you want to apply a keel offset, adjust the displayed reading until the appro-
priate negative offset value is shown.
Shallow alarm lock
When set to on, prevents alteration to the shallow depth alarm threshold.
Speed
To calibrate the speed functions:
1. With the User calibration entry screen displayed, press the speed key.
2. Referring to the
User calibration - speed
illustration, carry out the calibra-
tion procedure. Use the speed key to cycle from screen to screen and the
trip and reset keys to set the required values at each screen (except Adjust
to SOG display).
Offset value
of 0.0
+ve offset
values
-ve offset
values
D4352-2
Depth offsets
81040_5.book Page 30 Monday, February 20, 2006 2:39 PM
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