11
Installing Batteries Insert the batteries as shown in figure, being careful to orient the batteries correctly.
fig.replace-battery.eps_38
• When the batteries run down,
“bt”
appears in the display. When this occurs, install
new batteries.
• When turning the unit over, place some newspapers, magazines, or other suitable
material under the four corners or at both ends to prevent damage to the buttons and
controls. Also, try to position the unit so no buttons or controls can get damaged.
• When turning the unit over, handle it with care to avoid dropping it or allowing it to
fall or tip over.
• Make sure the “+” and “-” ends of the batteries are oriented correctly.
• Use six AA-type dry cells when replacing the batteries.
• Avoid using new and used batteries together or combinations of different types of
batteries. Doing so may result in fluid leakage.
• Batteries are supplied with the unit. Since the primary purpose of these batteries is to
confirm operation of the unit, their battery life may be limited.
Continuous usage time under battery power is about 13 hours with alkaline
batteries and about 3.5 hours with manganese batteries. (This may vary according
to usage conditions.)
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