5-32 System 824 Training Manual 2/19/98
Step 24 Once you have established a desired “LCD
Contrast”, press c.
Here you can choose your preferred
means to power the 824, should you
wish to use an external power
source. The choices here are “AC
Pwr”, or “Battery”. “AC Pwr” is
used if you plan to power the 824
from an AC source using the 12-Volt
adapter that was provided with the
instrument when it was purchased.
Note that this configuration will also
charge the NiMH batteries if they
are in the 824 battery compartment.
NOTE: You should never attempt to
use the 12-Volt adapter with alkaline
batteries installed in the 824. This
could cause the batteries to overheat
and leak, which may result in serious
damage to the 824.
Step 25 Press d to highlight “External Power”.
Step 26 Next, press c (or r) to enter the “External
Power” menu.
Choosing “Battery” is the proper choice if you plan to
power the 824 from an external 12-Volt battery (lead
acid for example). Please consult Larson Davis regard-
ing the proper method of connecting the 824 to the
external battery.
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