ETCR 9000, Manual, Page: 18 / 20

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Data Deletion
Under data reference mode, press HOLD button +
POWER button to delete all the data in storage, and return to
receiving data mode. During the deletion of data, it will show
“dEL” symbol.
Ⅶ
Replacing Batteries
Warning! In case that the battery’s cover
board is not well closed, it is forbidden to
make test. Otherwise, it is dangerous.
Pay attention to the polarity of battery, in case
of damage to the meter.
Do not mix in the use of new and old batteries.
1. When the battery voltage is below 4.8V, the meter will show
“ ”symbol, indicating the batteries have no sufficient
power content. Please replace batteries.
2. Power off, to make sure the meter is under the state of
power off. To loosen two screws of the battery cover board,
open the cover board to replace brand-new qualified
batteries on. It should pay special attention on the battery
specification and polarity, cover the board well and fasten
the two screws.
3. Press POWER button to
check whether the meter
can be powered on
normally. If not, please
repeat the operation
according the step 2.
Ⅷ
Packing List