Delta OHM HD3409.2, Manual

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21
LOW BATTERY WARNING AND BATTERY REPLACEMENT
The battery symbol
on the display constantly shows the battery charge status. To the extent that batteries have dis-
charged, the symbol "empties". When the charge decreases still further it starts blinking…
If you wish to continue using the instrument, remove the flat batteries and supply it using the exter-
nal power supply. Data stored on memory are maintained even without power supply.
If the battery charge level is insufficient, the following message appears when you turn the in-
strument on:
BATT TOO LOW
CHNG NOW
The instrument issues a long beep and turns off. In this case, replace the batteries or use the
external power supply, in order to turn the instrument back on.
In order to avoid data loss, the logging session is ended, if the HD3409.2 is logging and battery
voltage falls below the minimum operating level.
The battery symbol turns off when the external power supply is connected.
To replace the batteries, switch the instrument off and unscrew the battery cover counter clockwise.
After replacing the batteries screw the cover on clockwise.
After replacing the batteries , the menu parameters must be set again . To go to the next item
press ENTER; to return to measurement mode, press MENU.
In order to avoid losing the menu settings, before removing the batteries, connect the external
power supply.