71X Series
Calibration Manual
Basic Maintenance
For maintenance procedures not described in this manual, contact an authorized service
center.
Cleaning
Periodically wipe the case with a damp cloth and mild detergent. Do not use abrasives or
solvents.
Replacing the Battery
To avoid false readings, which could lead to possible electric shock
or personal injury, replace the battery as soon as the battery indicator
() appears.
To replace the battery in models 712, 714, 715, and 717, refer to Figure 2.
To replace batteries in 718 and 719 models, refer to Figure 3.
To replace the battery in model 718Ex, refer to Figure 4 and Table 31.
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Figure 2. Replacing the Battery
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