Instruction Manual

ManualsBrandsKestrel ManualsMeasuring instruments4500 Horus (Ballistics)

• The data collected in capture mode will automatically

adjust the “WD”, “WS1”, and “WS2” values in the

Target screen.

*Note: WS1 can never be greater than WS2 value. The

WS2 value will automatically adjust to ensure that this

remains true.

Direction of Fire

Direction of Fire (DoF) is an absolute frame of reference

to true north. The value is the direction the gun barrel is

pointng with respect to the values on a compass. Direction

of Fire can be manually adjusted or obtained using the

”capture” feature.

Manual mode

• Use or to ensure that “DoF”

is highlighted.

• Use



and to adjust the value.

Capture mode

• When “DoF” is highlighted, press to enter the

DoF screen.

• Use to scroll to “Capture”.

• Press to enter into the capture mode.

• Face the back of the Kestrel directly toward the target

and press .

• The data collected in capture mode will automatically

adjust the DoF value in the Target screen.

Inclination Angle

Inclination angle is the angle between the target and the

horizontal as seen by the shooter. This variable is expressed

in the Target screen as “Ideg” or “Icos” where Ideg is in

degrees, and Icos is the cosine angle. These can be manually

adjusted by highlighting one and using the



and to

change the value. Changing one will automatically change

the other appropriately.

Target Speed

• Use or to highlight “TS”.

• Use



and to adjust the value.

Target Speed Estimator

This function estimates the speed of a target based on

range, movement, and time.

• When “TS” is highlighted, press button to enter

Speed of Motion screen.

• Use to highlight “Estimate” and press to

enter Speed Estimate screen.

• Use or to highlight a parameter.

• Use



and to adjust values for each parameter.

• When all parameters are set, press to escape.

• An "Accept" screen will appear, scroll to "Yes" if

you would like to accept values. Use to

select the highlighted option.

Target Direction

• Use to highlight “TD”.

• Use



and to adjust “L-R” (left to right) or “R-L”

(right to left).

miles per hour

Estimate

Speed of motion