Test Products International 460 - Manual (Page 41)

Make sure that both the instrument and test leads are not close or parallel to electro-
magnetic sources which could be picked up by the 460 and/or the leads and which could
effect readings.
Be sure that the ground (Common) for the entity being measured is the true ground.
Check the specifications in Chapter 1 for the scale being measured
Note that probes which are internally attenuated, usually have their own adjustment
procedure. Chapter 4 has an adjustment procedure for 10:1 probes.
460 User s Guide Test and Calibration
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