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Excellent manual. In addition to the information I needed was a complete description of both electronic and mechanical devices.
Excellent site.
Thank you very much.
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very good and complete manual , it is in english and german is perfect for repair.
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This manual is complete and of high quality. I am very pleased with the purchase.
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Another excellent buy! A fully readable PDF archive. Good prints!!
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It is wonderful done!!! a great job in scanning the manual. Superior quality in all the electric scheme. Very understandable and net!!! Thank you!
Model 4342A
Section Figure
TTT
3-6
Mechanical
zero
adiustment
The meter is properly zero-set when the pointer sets exactly over the zero calibration scale mark and the instrument is in its normal operating environment. To check the meter mechanical zero, turn the instrument off and allow 30 seconds to completely deenergizethe z strument. To obtain maximum accuracy and mechanical stability, if the meter is not over zero, zero-set the meter as follows: a. b. Rotate meter pointer adjustment screw @ clockwise is moving toward zero in an upscale direction. Continue rotating screw clockwise and stop exactly at zero. If the pointer overshoots, the adjustment screw clockwise to do steps until meter
when pointer is continue rotating a and b once again.
C.
When the pointer is exactly over zero, rotate adjustment screw slightly counterclockwise to relieve tension on pointer suspension. If pointer moves off zero, repeat steps a, b and c, but rotate less counterclockwise. zero adiustment
Electrical
The meter pointer should set exactly over the zero scale mark when instrument is turned on and nothing is connected to measurement terminals. Turn the instrument on and allow at least 15 minuts warm-up time to let the instrument reach a stable operating condition. If meter pointer is not over zero, zero-set the meter as follows: a. b. Set FREQUENCY RANGE selector 001) and Q RANGE@ to 1000. Adjust pointer rear panel is exactly @to 22k - 70k (10k - 32k for so that the meter Option
METER ZERO ADJ control@ over zero.
Figure
3-6.
Zeroing
Procedure
(sheet
2 of 2).
3-9
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