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OPERATING INSTRUCTIONS
NOTE: If this is the first time using unit, follow initial
calibration and set-up instructions on previous page.
ON/OFF BUTTON
Press ON/OFF button to enter measurement mode. It will
display the angle reading immediately. Unit is now ready to
measure angle. Push ON/OFF button again to shut off unit.
HOLD BUTTON
If you want to lock the reading while performing a measure-
ment, simply press the HOLD. The angle reading will freeze
and you can record the reading. You can cancel this function
by pressing the HOLD button a second time. You will now
be viewing live angle measurements.
D
ALTERNATE ZERO BUTTON
Absolute Zero mode: If the
Change to relative measurement mode by
icon "ABS" is in the display,
pressing ALTERNATE ZERO button
the unit is in absolute zero
measurement mode.
00
0
.
Note: changing from relative
Change to horizontal measurement mode
to absolute zero mode can-
by pressing ALTERNATE ZERO button
not be done when the HOLD
icon is visible.
ABSOLUTE (HORIZONTAL) ZERO MEASUREMENT
In absolute zero measurement mode, the icon "ABS" is vis-
ible. Put the unit near the joint needed to be measured. The
inclinometer shows the angle between the inclinometer
plane and the horizontal plane (see diagram to the right). To
get the most accurate reading, allow the unit to settle before
noting the angle.
RELATIVE MEASUREMENT
Setting an alternate reference point allows you to set any angle to ZERO. This new ZERO is
now a reference point from which to take measurements. For instance, you may want a surface
that is actually 25° off absolute zero (horizontal) displayed as ZERO so you can measure all
other angles from that benchmark. See the example below for Relative angle measurement:
1. Unit starts in absolute zero measurement mode (the icon "ABS" is visible). Put the inclinome-
ter on the surface that is actually 25° off the horizontal plane. The unit now reads 25°.
2. Press the ALTERNATE ZERO button to change to relative measurement mode (the icon "ABS"
is no longer visible, the angle readout is now ZERO).
3. Put the inclinometer on the surface that is actually 60° off the hori-
zontal. The "35.0°" shown on the display is relative to the 25° off the
horizontal plane.
"ABS" icon is visible
Change to
relative measurement
mode by pressing
ZERO button
°
Readout is 00.0
25°
The angle readout is 25° in
Absolute Measurement Mode
Directional arrows for level
Liquid-crystal display (LCD)
EVALUATION
00
0
.
ABS
on/off
HOLD
Digital Inclinometer
on/off
hold button
button
00
0
.
Relative Zero mode:
If the icon "ABS" is in
not in display, it is in the
relative measurement
00
0
ABS
.
mode.
Horizontal Plane
"ABS" icon is
not visible
60°
25°
The angle readout is 0° in
The angle readout is 35° in
Relative Measurement Mode
Relative Measurement Mode
BATTERY INSTALLATION
(use lithium battery CR2032 3V or equivalent)
12-1057
1. Back view of Digital Inclinometer.
Slide battery cover to the right
to remove.
hold
alternate
zero
alternate
zero
button
2. Back view of Digital Inclinometer with
battery cover removed, exposing cop-
per battery connections. Tab A posi-
HOLD
tive (+), strip B negative ( –).
3. Slide battery (lithium CR2032 3V or
equivalent) UNDER small copper tab
(A), push battery on top of long cop-
per strip (B) until battery snaps into
place. Make sure battery description
is facing up and that copper tab (A)
makes contact with battery. Replace
battery compartment cover by slipping
cover tab (C) in insertion hole (D).
This will ensure copper tab contact
with battery.
REPLACING BATTERY
1. Turn unit off. Remove battery com-
19.8°
partment cover. Insert screwdriver or
paperclip into battery removal slot (E).
Battery pops out.
2. Follow step 3 from BATTERY
INSTALLATION to replace
battery.
3. Slide battery compartment cover
in place by slipping cover tab (C)
in insertion hole (D) as illustrated.
4. Digital Inclinometer will have to be recalibrated after battery replacement.
SCREW-IN LEGS
Two screw-in legs are provided with the unit. Screw legs into bottom of unit as far
as possible. Legs ensure 2 points of contact for unlevel surface such as spine and
cervical spine.
Horizontal plane
battery
compartment
push to slide cover off
battery compartment
copper tab (A)
battery
removed
battery
cover
copper strip (B)
slide new battery
under copper tab (A)
cover tab (C)
cover tab insertion hole (D)
press down to rest on top
of copper strip
REPLACE COVER
battery removal slot (E)
battery
battery
removal slot (E)
small screwdriver
copper tab (A)
cover tab (C)
battery
cover tab
insertion hole (D)
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