LIGHT
LOWER
INFO
ALARM
TIMER
UPPER
INFO
COMBI
Instruction Manual
23
E04052
3.5 Speed Sensor Calibration
When the IS12 Combi is first installed, it is important that the
speed sensor is calibrated properly, as different boats with dif-
ferent hull shapes and characteristics can give a slightly differ-
ent speed reading to the actual speed through the water.
Enter calibration mode, press x 4 (the display will show CAL
SPD) and press . Two speed calibration options are then
available by pressing or (Fig 3.7) -
The first option is calibration by Percentage Correction (Section
3.5.1), which can be performed at the dockside or at sea. The
second is calibration by “measured mile” (Section 3.5.2), which
must be performed at sea. Either one of these can be used to
calibrate the speed log.
Fig 3.7 - Speed Calibration Options
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