JENCO 6230M Operation manual - Changing The Batteries
4
CHANGING THE BATTERIES
When the LOBAT indicator is flashing, the user should check that whether the
external AC adaptor is connected to the meter reliably, and if only internal batteries is
used, the user should change the batteries. If the voltage of power supply is too low,
the meter will display “Sht” and then shut down automatically.
1. Position the meter so that the left side of the meter is facing up. (Refer to Figure
2) With a coin, inset it in the closure slot on the side labeled A. With the coin
tilted, thrust it upward to open the battery compartment and lift the cover up.
2. Insert the batteries and ensure polarities are correct.
A. SIDE CLOSURE SLOT
B. COVER
C. 6 AAA BATTERIES
FIGURE 2 REAR VIEW (BATTERY COMPARTMENT)
TURN ON/OFF INSTRUMENT
Once the batteries are installed correctly and/or an AC adaptor is connected reliably,
you can press ON/OFF key to turn on or turn off the unit. After the unit is turned on,
it will display all segments of LCD for a few seconds then the buffer set will be
shown. After a while the percentage of power supply will be measured and displayed,
then the unit will go to the last mode that has been saved.
When the unit is not in use, press the ON/OFF key to turn off the unit for saving
battery life. Unplugging the AC adaptor from the unit or from the AC line does
not turn off the unit. It would automatically switch to the internal batteries.
When turning off, the last display mode will be auto-saved, except during RECALL
and ERASE modes where it will default to pH-AUTOLOCK mode. Calibration data
and the 40 different site readings are saved in non-volatile memory, and will be intact
even if the user turns off the unit.