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Replacing Batteries - Velleman DTO2234 User Manual

Digital photo tachometer

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6.2 The memorised value will be displayed on the indicator when :
A. First push - To display the last value :
"LAST" and "the last value" will be displayed by turn.
B. Second push - To display the maximum value :
"MAX" and "the max. value" will be displayed by turn.
C. Third push - To display the minimum value :
"MIN" and "the min. value" will be displayed by turn.

7. REPLACING BATTERIES

1. When it is necessary to replace the batteries (battery voltage less than approx.
4.5V), "LO" will appear on the display.
2. Slide the battery cover (7) away from the instrument and remove the batteries.
3. Install the batteries (4 x 1.5V AA/UM-3) correctly into the case. Permanent
damage to the circuit may result from incorrect installation.
DTO2234
4
GB

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