LaserAce® Pocket Series
Issue 1.0
© Copyright 1999-2008 Measurement Devices Limited
Page
56
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If you have enabled the alert facility by entering a non zero height as you pan (elevate) the Hypsometer up the
trunk of the tree to
SHOOT TOP
as instructed, the instrument will beep continuously when the instrument has
calculated that it is aiming at desired height entered. This is done by a calculation of range and VA (vertical
angle) data. Pressing
FIRE
at any point here will display the calculated diameter, height and volume.
If you have not enabled the alert facility, line up the stadia hairs at the top of the tree trunk and press the
FIRE
button and the LCD will display the calculated diameter, height and volume.
Note that the
SHOOT BOTTOM
and
SHOOT TOP
measurements do not have to obtain a range. The volume
and height calculations are performed by using the range data taken to the first
‘SHOOT MIDDLE’
measurement, the angle data are taken from the bottom and top shots.
To perform another measurement, press the
FIRE
key. Enter Plot and Tree number and complete as before.