3 - 8
Strobe Exposure Test
Purpose
The Strobe Exposure Test is used to measure the resultant energy of the film plane during a 4.5 ft.
(137 cm) Strobe (Graywall) light exposure.
Setup (Figure 3-3)
1. Open the camera door .
2. Using a solder aid tool, manually trip the camera door switch into its down position.
3. Using a solder aid tool, remove the front cover from the camera.
4. Install the Joshua Test Cover in place of the removed front cover.
5. Set the Joshua Test Cover Strobe/Ambient (STB/AMB) switch to its Strobe (STB) position.
6. Place the camera with the Joshua Test Cover onto the Joshua Horn Assembly.
7. Place the Joshua Horn Assembly on top of the Star Tester (Figure 3-5) at a marked position
137 CM (4.5 Feet) from the Graywall Target.
Figure 3-5. Locating Joshua Horn Assembly and Camera in Relation to Graywall Target
4'
(1.2 M)
4' (1.2 M
4.5' (137CM)
GRAYWALL
TARGET
STAR TESTER
Summary of Contents for Joshua Captiva
Page 6: ...This page intentionally blank...
Page 7: ...1 1 1 Description...
Page 15: ...1 9 Figure 1 6 Joshua System Features...
Page 23: ...1 17 Figure 1 16 Principal Parts of the Joshua Drive System...
Page 31: ...1 25 Figure 1 22 Joshua Components Covers and Panels...
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Page 33: ...2 1 2 Theory of Operation...
Page 36: ...2 4 Figure 2 1 Pictorial ChartShowing JoshuaCamera Sequence of Operation...
Page 57: ...2 25 Figure2 31 Circuit Diagram...
Page 58: ...This page intentionally blank...
Page 59: ...3 1 3 Testing and Adjustments...
Page 72: ...This page intentionally blank...
Page 73: ...4 1 4 Disassembly and Reassembly...
Page 108: ...This page intentionally blank...
Page 109: ...5 1 5 Troubleshooting...
Page 122: ...5 14 5 14...
Page 123: ...5 15 Figure 5 7 Joshua Camera Timing Diagram...
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Page 125: ...A 1 Appendix...
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