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BT521
Users Manual
4-8
Zero Calibration
A zero calibration is required each time after a test probe is replaced.
To do zero calibration:
1. Locate the zero calibration board on a flat surface horizontally. See Figure 4-4.
2. Set zero calibration in the Setup menu.
a. Push
.
b. Push
L
until
General
is highlighted.
c. Push
the
Select
softkey.
d. Push
L
until
Zero calibration
is highlighted.
e. Push
the
Zero
softkey.
3. Insert the red and black probe tips to the calibration holes.
4. Push the
Calibrate
softkey.
ZERO CALIBRATION BOARD
hsz028.eps
Figure 4-4. Zero Calibration Setup
The Product starts zero calibration for all function ranges. After the zero calibration is
completed, the Product beeps to indicate a success and automatically exits zero
calibration mode.
Note
During zero calibration, make sure the inner and outer pins of the
probe tips are fully connected to the calibration board.
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