Section 4: Using the Model 9100: DC Current Function 4.5-7
Final Width = 215mm
Rules, built into firmware, govern passage across thresholds between resolutions:
Increasing Output or Offset Current
Using the
key in Digit Edit facility; an audible warning will be given if the new value
is too large for the present span of values, with a reminder ('Up range required') on the
screen. The user must change to the next lower resolution, with a larger span of values,
using the
key. This rule applies whether OUTPUT is OFF or ON.
When using either the X10 screen key or the Direct Edit facility; if the new value is too
large for the present resolution, a lower resolution will be activated with a larger span of
values. No warning will be given. This rule applies whether OUTPUT is OFF or ON.
Decreasing Output or Offset Current
Using Digit Edit; values down to zero lie within all spans. If the required value lies
between steps of the present resolution, the user must increase resolution using the
key, also reducing the span of values. This rule applies whether OUTPUT is OFF or ON.
Using either the ÷10 screen key or Direct Editing; if the required value lies between
increments of the present resolution, a greater resolution will be activated with reduced
span. No warning will be given. This rule applies whether OUTPUT is OFF or ON.
4.5.5.2 Hardware Configurations
When increasing or decreasing output current, using any method: if the new current is
too large or small for the present hardware configuration, then if OUTPUT is OFF there
will be no noticeable effect as the hardware reconfigures.
If OUTPUT is ON, it will be temporarily turned OFF so that the hardware can reconfigure,
then ON again at the new current. No warning will be given. This interruption should
cause little disturbance to the reading on any UUT.
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