Kestrel 4500NV Applied Ballistics Meter Manual de usuario descargar pdf (Pagina 7)

In addition to Wind Speed and Wind Chill, the Kestrel

with Applied Ballistics Software also measures

Direction, Headwind/Tailwind and Crosswind.

Digital Compass Calibration

The Kestrel meter's digital compass must be calibrated

to correct for the AAA batteries’ magnetic eld. It must

be re-calibrated every time the battery door is opened,

and it will not display or log any direction values until

calibration is complete.

**Impeller should be removed during calibration for best

results.

• Remove the impeller by pressing the edges to pop it out

(reinsert after calibration is complete).

To Calibrate:

• In Main Setup Menu, use

or to highlight

“System”, then press

• Press

to highlight “Compass Cal”, then press .

Follow the prompts on screen:

• Press

to start.

• Slowly spin the upright meter around three (3) full times.

• Each rotation should take approximately 10 seconds.

• When calibration is nished, the screen will read

“Cal Complete”.

• Press

to exit to Main Menu.

To verify the digital compass’ accuracy, test it against a

compass; the Kestrel meter readings should be within

±5° of the reference compass or better. If readings appear

incorrect, simply run the calibration routine again.

Unit should be held vertically with the back facing the

direction being measured.

Calibration Error Messages

There are three error messages that the meter may

display during calibration. Press

to exit the error

screen and run the calibration again.

• Magnetic Batteries: The magnetic eld of the Kestrel’s

batteries is interfering with calibration. Try opening

the battery door, rotate one or both batteries, and run

the calibration again. If

error persists, try using a

di erent brand of battery.

• Too Slow: The unit was

spun too slowly during

calibration.

• Too Fast: The unit was

spun too quickly during

calibration.

COMPASS CALIBRATION AND SETUP

Figure 1

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