54
Figure 20 - Tolerance Mode and Sequential Mode
Note: When setting limit values of the tolerance mode, the error range should be set in the order from small
to large. If the error range of BIN1 is the largest one, then all DUT will sort into BIN 1.
Under tolerance mode, the low limit does not need to be smaller than the nominal value and the high
limit does not need to be larger than the nominal value. The limit range of each bin can be overlapped.
Setting Limit Modes
1) Press SETUP.
2) Press LIMIT TABLE to enter into the <LIMIT TABLE SETUP> page.
3) Move the cursor to MODE, and the following soft keys will be displayed:
o %TOL : Set percentage deviation tolerance (% TOL) as the limit mode.
o ABS TOL: Set absolute deviation tolerance (ABS TOL) as the limit mode.
o SEQ MODE: Sequential mode as the limit mode (SEQ)
4) Press the softkey to select the required the limit mode.
Tolerance Mode
When the tolerance mode is selected as the limit mode of the primary parameter, it is
necessary to set the nominal value. The nominal value can be any value within the display
range.
When the sequential mode is selected as the limit mode the primary parameter, the nominal
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