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ENVIRONMENT
Accurate Temperature, Humidity and Pressure measurements
are critical to calculating an accurate Targeting Solution. It is
important that the values measured by the Kestrel represent
the ambient values, and for this the Kestrel needs continuous
air ow over its sensors. When using a Kestrel in a position
where air ow could be restricted, such as low to the ground or
resting on a shooting mat or rock, it is better to make periodic
environmental captures to avoid inaccurate measurements.
HOW TO CAPTURE ENVIRONMENTAL MEASUREMENTS:
In the Ballistics Menu, scroll to Enviro.
»
»
Adjust Enviro to Live and then wave the Kestrel rapidly
through the air for 5-10 seconds. Next check the
temperature shown and wave the Kestrel again. Repeat
until the temperature value stops changing. If the area
allows, and your lanyard is secure, you may also spin the
Kestrel around by the lanyard to increase air ow over
the sensors and measure ambient temperature as fast as
possible.
»
Once the temperature value stops changing, immediately
adjust Enviro back to Lock to x the environmental
measurements you have just captured.
NOTE! Repeat this process every half hour or any time the
temperature or pressure changes signi cantly.
HOW TO SET THE LATITUDE:
Latitude is necessary for accurate Coriolis calculations.
In the Ballistics Menu, scroll to and select Enviro then scroll
»
to Lat.
Adjust Lat to match your local latitude.
»
NOTE! Latitude default is the middle of North America if no new
value is entered. Setting both DoF and Lat to 0 will e ectively turn Coriolis
18
correction o .
CONTINUOUS WIND CAPTURE
As an alternative to the Wind Capture method described
previously, you may mount your Kestrel on a tripod
using the Kestrel Vane Mount. The Vane Mount ensures
the Kestrel remains oriented into the wind and allows
for continuous update of the windage solution. For
convenience, this method works best when the ring
solution is being displayed on a mobile device using
Kestrel LiNK Ballistics.
HOW TO SET THE KESTREL TO CONTINUOUS
WIND CAPTURE
»
Select the correct Gun and Target and set the
Direction of Fire.
»
In the Ballistics Menu, highlight Wind and press the
red Capture button. An arrow will appear next to the
Wind menu item to indicate the unit is now in wind
capture mode.
»
While in wind capture mode, manual inputs to the unit
will be locked and changes in wind speed or direction
will automatically update the Targeting Screen
Windage solution.
»
To close wind capture press the red Capture button
again.
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