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Figure 26.
Photograph of the shaping board showing the zeroing and alignment controls and the test points.
Figure 28.
Photograph of the logarithm board showing the zeroing and
alignment controls and the test points.
Figure 29.
FUSE 3/4 A
+ BATT
7805 +5 VOLT REGULATOR
+5V REG. PIN 37
Schematic diagram of the power supply circuitry and power switch.