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2.2.1 Battery Power Level Indicator
Confirming at the Power Level Icon
The battery power level can be confirmed at the battery icon (
) displayed in the bottom left of the
LCD screen.
The battery power is indicated in four levels.
The battery power level indicator tells you when to charge the batteries.
: Sufficient battery power remains.
: The battery power is partially depleted.
: The battery power is almost fully depleted. Charge immediately or replace with new batteries.
: The battery power is totally depleted.
Charge immediately or replace with new batteries.
Confirming at the “Battery Voltage” Screen
The battery power level can also be confirmed at the “Battery Voltage” screen.
Display the “Battery Voltage” screen using the following procedure.
1. Hold down the SF key and press the Enter key.
The “Battery Voltage” screen displays while the keys are pressed.
About the Battery Level
• The battery power level indicator does not accurately reflect the battery residual power and should only be
used as a guideline.
• The battery power level will fluctuate due to BHT operation, and therefore disparities may occur between the
actual battery voltage and the display indicator.
• Ensure to replace the batteries or charge them as soon as possible before the battery power is depleted.
Point
placed in the alphanumeric entry system in user programs, the combination of the SF
ENT
keys cannot be used for displaying the battery voltage level. This is because in the
alphanumeric entry system the
SF key is used for switching between the numeric
and alphabet
entry modes.
Note
In user programs, you may select the key to be used for displaying the battery voltage level (instead
of the default: combination of
SF and ENT keys).
The displayed battery level shows the terminal voltage of the batte
ries, not how much power is left.
The actual voltage level varies depending upon the operation of the BHT, so the displayed level
also may vary.
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