Raymarine ST50 plus Bedienungsanleitung PDF herunterladen (Seite 21)

ST60 Pius Tridata and Repeater Operation and installation Handbook

Chapter 6: Calibration

The following calculation must be used when carrying out Manual Log

Calibration:

FKorrection Factor) = Known Distance/Vleasured Distance

The Known distance is the distance between two charted objects (e.g., two

buoys).

The

Measured

distance isthe distance recorded by the speed instrument,

allowing for tidal flow.

”

1 Approximately 1Nm

Of2

w9sl

To obtain the correction factor

proceed from object 1 to object 2 and then

object2 to object 1. The measured distance in each case must be noted,

added together, and then

divided

by 2 to obtain the average distance.

To obtain the correction factor,

divide

the known distance by the average

distance. Once the correction factor has been calculated it can be entered into

the instrument as described in the flowchart on the following page. Do not

forgetto

store the correction factor.

No&The

log calibration range is from 0.25 to 2.00. Calibration factors

outside of this range cannot be stored.

COUNTDOWN ALARM

Note:The

correction factor must be saved once it has been entered. This is

achieved by pressing DEPTH and SPEED together until the display returns to

its normal mode (approximately 2 seconds).

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Raymarine ST50 plus Bedienungsanleitung Seite 21