17
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 airflow over
its sensors. When using a Kestrel in a position where
airflow 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 and select
Environment then scroll to Update.
» Adjust Update to Yes and then wave the Kestrel
rapidly through the air for 5-10 seconds. If the area
allows, and your lanyard is secure, you may also “sling”
the Kestrel around by the lanyard.
» Immediately adjust Update back to No to fix the
environmental measurements you have just captured.
NOTE! Repeat this process every half hour or any time the temperature or
pressure changes significantly.
HOW TO SET THE LATITUDE:
Latitude is necessary for accurate Coriolis calculations.
» In the Ballistics Menu, scroll to and select
Environment 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 effectively turn Coriolis
correction off.
ENVIRONMENT
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 firing 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.
CONTINUOUS WIND CAPTURE
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