Ac Operation; Operation; Display And Controls - ADInstruments AD2A04 User Manual

AD Instruments
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possibilities the indicator may show, full, with 2 blacks, with 1 black and empty. If an empty
battery indicator flashes it means the power is almost out, and that is when you should
recharge the batteries by connect the AC adapter with the instrument. If the discharged
batteries get to their limitations after long-time use, please replace it with a new one. To
replace the batteries, please remove the battery plate on the back of instrument with a
screwdriver.
When the battery charge is extremely low to supply the necessary power, the instrument
will automatically switch off.
Note: 1 The AC indicator is not displayed when power is supplied by batteries.
2 To eliminate the possibility of acid leakage, please take out the batteries if the unit is not
used for a long time.

4.3 AC operation

I
f the instrument is mainly used at one location, e.g. in a laboratory or test department, the
AC Adapter / Charger Unit can be used to power it instead of batteries. There is a DC
input jack on the top side of the AD instrument casing into which the output cable of the
AC adapter is plugged. And when the AC adapter is plugged in, the indicator on the LCD
will be displayed.
Note: 1 Power is supplied by the AC adapter even if batteries or cells are fitted. And the
battery indicator is not displayed on the screen when AC adapter is plugged.
2 Make sure that the operating voltage of the AC Adapter / Charger Unit is the same as
the local AC line voltage.

5 Operation

5.1 Display and controls

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Manual de usuario AD2A04/AD2B04