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Calibrating the Electronics Unit
1.
Plug the calibrator into the Horn Connector.
2.
Set the CAL/TEST Switch to CAL.
3.
Set the two switches on the Calibrator in the AMB and CONT positions.
4.
Starting with the 75 exp. range, set the Range Switch on the Electronics Unit and the
rotary switch on the Calibrator to the positions shown on the label on the rear of the
Calibrator. Do this for all ranges except Flash Timing.
5.
For Flash Timing, set the Range and rotary switches to the proper positions.
6.
Set the CAL/TEST switch to TEST.
7.
Insert a fresh film pack with battery into the Master Camera.
8.
Place the Strobe Detector over the strobe and charge the strobe by pressing the red Strobe
Charge button.
9.
Fire the strobe by pressing the flash button: the reading in stops error should correspond to
the reading marked on the Calibrator label.
Checking Graywall Reflectance
1.
With the Master Camera on the Horn, set the Motor Switch to OFF and the shutter blades
at full travel.
2.
Set the Electronics Unit to 640 FLASH EXP.
3.
Place the Horn with the Master Camera 4.5 ft. (137 cm) from the graywall.
4.
Charge the strobe and fire it with the flash button on the front of the strobe.
5.
The reading on the STOPS ERROR Meter should correspond to the reading on the Master
Camera.
120
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