27 II/28 II
Calibration Information
10
How to Replace the Batteries
XWWarning
To avoid false readings, which could lead to possible electric
shock or personal injury, replace the battery as soon as the
battery indicator () appears. If the display shows “batt” the
Meter will not function until the battery is replaced.
Replace the battery as follows, refer to Figure 2:
1. Turn the rotary switch to OFF and remove the test leads from the terminals.
2. Remove the six Phillips-head screws from the case bottom and remove the battery
door ().
Note
While lifting the battery door, ensure the rubber gasket stays attached to
the battery compartment barrier.
3. Remove the three batteries and replace all three with AA Alkaline batteries ().
4. Ensure the battery compartment gasket () is properly installed around the outside
edge of the battery compartment barrier.
5. Replace the battery door by aligning the battery compartment barrier with battery
compartment.
6. Secure the door with the six Phillips-head screws.
How to Replace the Fuses
Referring to Figure 2, examine or replace the Meter's fuses as follows:
1. Turn the rotary switch to OFF and remove the test leads from the terminals.
2. Refer to step 2 under the How to Replace the Batteries section above to remove the
battery door.
3. Remove the fuse compartment seal () from the fuse compartment.
4. Gently lift out the fuse compartment door () from the fuse compartment.
5. Remove the fuse by gently prying one end loose, then sliding the fuse out of its
bracket ().
6. Install ONLY specified replacement fuses with the amperage, voltage, and speed
ratings shown in Table 7. The 440-mA fuse is shorter than the 10-A fuse. For correct
placement of each fuse, note the marking on the printed circuit board under each
fuse.
7. Replace the fuse compartment door by aligning the arrow on the fuse door with the
arrow on the case bottom and lowering the door into the fuse compartment.
8. Replace the fuse compartment seal by aligning the tab on the seal with the outline on
the case bottom. Ensure the seal () is properly seated.
9. Refer to steps four through six under the Replacing the Batteries section above to
reinstall the battery door.
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