JENCO EC3840 Operation Manual - page 4
3
3. If the unit does not function correctly after steps1 and 2, call
JENCO for possible repair or replacement (see Warranty).
INSTALLING THE BATTERIES
The EC3840 meter is packaged with 4 “AAA” alkaline batteries
required for operation. To insert the batteries into the meter, follow
the procedure outlined below.
1. Use a screw driver to remove the two screws and battery cover
to expose the battery compartment. (Figure 1.)
2. Note the polarity and insert the batteries into the battery
compartment correctly.
3. Replace the battery cover and make sure to secure the two
screws for the water-tight feature.
[Note: Press the “On/Off” key to turn the unit on. If the unit is
running then you can press the “On/Off ” key to turn the unit off.
The unit will automatically turn off after 10 minutes of no key
activity.]
Figure 1: Battery compartment