E. Testing the Model 636 Camera
The procedures which follow are set up with detailed instructions in one column and a
summary of the instructions in a second column. Once you have become familiar with the
testing procedures, reference to the summary should be all that is necessary to test the
cameras.
1. Pre-Test Procedures
Before beginning the testing, check all connections between the Tester and the Star horn,
and the oscilloscope (if being used). Check the AC line connections. Clear the area
around the Tester to be certain there is sufficient air flow for proper cooling of the elec-
tronics. Turn the Tester ON and observe that the power-on lamp is illuminated.
2. Order of Tests
It is very important that the Model 636 Camera tests be done in this order:
1. Flash Timing
2. Ambient Exposure
3. Strobe Exposure (Graywall)
4. ZLS Output *
* Not necessary if Strobe Exposure is correct.
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