21.Communication
USB Communication Bluetooth Communication (optional)
Turn on communication via settings (see detailed operations
in the meter settings). The symbol � will appear in the
upper left corner on the display as shown in Figure 16.
The meter carries on USB communication with USB cable
(standard accessory) connecting to PC. The meter can use
bluetooth module (optional) and mobile phone for bluetooth
communication.
X. Maintenance and Repair
1. General Maintenance and Repair
Regularly clean the meter case with damp cloth and mild
detergent. Do not use abrasives, isopropyl alcohol or solvents.
Dirt or moisture on the terminals can affect readings but also
enable the warning function mistakenly due to mis-insertion.
Clean the terminals according to the following steps:
1) Turn off the meter and remove all test leads.
2) Clean up the dirt on the terminals.
3) Soak a clean cotton swab in mild detergent and water.
Clean each terminal with the cotton swab. Dry each terminal
with canned compressed air to force water and detergent
to flow out of the terminals.
4) In case of anything abnormal for the meter, stop using it
and send it for repair.
5) When the meter needs to be verified or repaired, qualified
service personnel or designated maintenance department
are required to repair it.
2. Testing Fuse
As shown in Figure 17, the measurement of the meter is
for resistance function. Insert a test lead into the terminal
as shown in Figure 17 and contact the probe tip at the
other end of test lead with the metal in the terminal of
current input. If the message "Lead Error!" (connection
error for test lead) appears, it shows that the probe tip is
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