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3. Testing and Adjustments
General
The following paragraphs list and describes the required equipment necessary to test and make adjustments
to the Joshua camera.
Required Equipment
• Joshua Test Cover (Part Number 13552)
• Joshua Horn Assembly (Part Number 13532)
• Alignment Gauge (Part Number 13551)
• Base Riser (Part Number 13559)
• Star Tester (Part Number 12650-2)
Description of Equipment
Joshua Test Cover
The Joshua Test Cover (Figure 3-1) contains a test switch that is used to switch from the Strobe (STB) to
the Ambient (AMB) test mode. It also inhibits the strobe and the IR input to the Joshua camera exposure
system while taking Ambient measurements.
Important: The Joshua Test Cover must be used for the Ambient and Strobe exposure
test.
Figure 3-1. Joshua Test Cover
Joshua Horn Assembly
The Joshua Horn Assembly (Figure 3-2), as with previous horn assemblies, allows exposure tests to be
performed with the Star Tester. However, this horn assembly has many differences in terms of its
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