Display Mode; Comparator - AD Instruments AD2817C Manual De Usuario

AD2817C Operation Manual
5. Press ENTER key to start correction.

4.2.10 Display mode

Press SHIFT + DISP to change display mode.
The instrument has three display modes:
Direct display (DIR)
--- Actual measured value is displayed;
Absolute deviation display ( )
– Absolute deviation between measured value and
nominal value is displayed;
Percentage deviation display (%)
– Percentage deviation between measured value
and nominal value is displayed.
Display mode only works for primary parameter, not secondary parameter.
Shift of display mode is related to tolerance mode of primary parameters:
When tolerance mode is absolute value (ABS) o Display mode shifts between DIR and
When tolerance mode is percentage (PER) o Display mode shifts between DIR and %.
For example:
1. The current display mode is DIR, and "DIR" is displayed on LCD, as shown in Figure4-5.
Figure 4-5 Direct display mode
2. Press SHIFT key, "SHIFT" at left corner is on.
3. Press DISP key, "
" or "%" is displayed on LCD, as shown in Figure 4-6.
Figure 4-6 Absolute deviation display mode
)Note: Please refer to limit list setup for tolerance mode.

4.2.11 Comparator

Press SHIFT + COMP to turn on or off comparator.
After comparator is turned off, comparator indicator on panel is off, alarm doesn't beep,
comparison result doesn't output through HANDLER interface, EOM of measurement's
ending signal doesn't output, but AD shift signal IDX and trigger input TRIG are still valid.
After comparator is turned on, "COMP" is displayed on LCD.
Perform the following steps to turn on or off comparator function:
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