Tag : compass
Typically this will happen if the Kestrel is placed near a magnet or magnetic source. One of the things we have seen is with the MagnetoSpeed Riflekuhl unit. But any other magnet can affect the compass calibration. Also storing the Kestrel in a metallic enclosure such as a gun safe can have an affect on the compass calibration.... Read more
Var is going to be the magnetic declination of your current location, further information can be found here: Magnetic Declination
Var is not used when selecting Magnetic North. If you choose True North, then it is advisable to add the Var number.
To find your magnetic declination, here is a good place to start Find my Var
If the Kestrel reads “CAL CPS”, then you will need to calibrate the compass prior to using. To do so, press the center button when CAL CPS is on the screen. Spin and the number 30 will appear on the screen. Hold the Kestrel vertical and rest the bottom of the Kestrel on a table or your hand and rotate the Kestrel in place until the number reaches 0. You can spin the Kestrel in either direction but it is recommended not to spin too fast or you can get a bad calibration.... Read more