Operating Instructions and Parts Manual Model No: 54-422-450
Fred V. Fowler Company, Inc.
66 Rowe Street • Newton, Massachusetts 02466
1-800-788-2353 • (617) 332-7004 • (617) 332-4137 fax
FOW
10/07
Calibrating the Fowler Mini-Mag Protractor
1. Place the
level on a flat
surface.
2. Press
and hold
ZERO and
OFF/ON
buttons for 5
seconds.
3. Press the
ZERO button;
the screen will
display CAd1.
4. Rotate the
unit 90 degrees
clockwise; press
the ZERO button
the screen will read
CAd2.
5. Rotate the
unit another 90
degrees clock-
wise; press the
ZERO button-
the screen will
read CAd3.
6. Rotate the unit
another 90 degrees
clockwise; press the
ZERO button-the
screen will read
CAd4.
7. Rotate the
unit another
90 degrees
clockwise; press
the ZERO but-
ton-the screen
will read CAd5.
After 1 second
the display will
read 0.00-this
completes the
calibration.
8. Your Fowler
Mini-Mag
protractor is now
ready to use.
Fred V. Fowler Company, Inc.
66 Rowe Street • Newton, Massachusetts 02466
1-800-788-2353 • (617) 332-7004 • (617) 332-4137 fax
FOW
10/07
Calibrating the Fowler Mini-Mag Protractor
1. Place the
level on a flat
surface.
2. Press
and hold
ZERO and
OFF/ON
buttons for 5
seconds.
3. Press the
ZERO button;
the screen will
display CAd1.
4. Rotate the
unit 90 degrees
clockwise; press
the ZERO button
the screen will read
CAd2.
5. Rotate the
unit another 90
degrees clock-
wise; press the
ZERO button-
the screen will
read CAd3.
6. Rotate the unit
another 90 degrees
clockwise; press the
ZERO button-the
screen will read
CAd4.
7. Rotate the
unit another
90 degrees
clockwise; press
the ZERO but-
ton-the screen
will read CAd5.
After 1 second
the display will
read 0.00-this
completes the
calibration.
8. Your Fowler
Mini-Mag
protractor is now
ready to use.
Operating Instructions and Parts Manual Model No: 54-422-450