Kestrel 4500NV Applied Ballistics Meter - Manual (Page 30)

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BAllIsTIC & EnVIROnMEnTAl QuICk REFEREnCE(COn'T)
Rt 75% – distance at which a bullet is 75% through
the transonic range
Rsubs – range at which bullet velocity
becomes subsonic
Range Estimation screen
Target – the size of the target on which estimation
is based
Image – the apparent size of the target as it appears
in a telescopic sight
Range – the calculated range, based on the target
and image sizes
speed Estimation screen
Range – the range at which the speed estimation
will be done
Mvmt – the apparent movement of the target as it
appears in a telescopic sight
Time – the time (in seconds) during which
movement was measured
speed – the calculated speed, based on range,
movement and time
Cal MV screen
Range – the range at which test firing is being done
Drp – the elevation correction calculated for the
specified range, updated by user with observed
drop
MV – the muzzle velocity used in the current elevation
calculation
Cal DsF screen
Range – the range at which test firing is being done
Drp – the elevation correction calculated for the
specified range, updated by user with observed drop
DsF – the drop scale factor used in the current elevation
calculation