SoundAdvisor Model 831C
Powering the 831C SLM
3-4
3.5 Powering the 831C SLM
In this section:
•
3.5.1 Using Battery Power
•
•
3.5.3 Understanding 831C Power Usage
3.5.1 Using Battery Power
CAUTION
Do not mix Alkaline and NiMH batteries. Only charge NiMH bat
-
teries.
CAUTION
Do not mix batteries from different manufacturers, replace all
4 batteries at the same time.
CAUTION
When changing batteries, select the correct
Battery Type
in
System Properties
. See
9.4.1 Changing Batteries and Editing the Bat
-
tery Type
.
CAUTION
Resolve a Session
Log entry “Charging Stopped”
by checking the batteries, and
ensuring the correct battery
type is selected in
System
Properties
. Additionally, the
battery may be too old to
charge. Battery may also be
read as
an
incorrect battery
type, which may
occur
with
fully discharged NiMH batter
-
ies. Use an external battery
charger to restore charge,
then install in meter. Addi
-
tionally, the batteries may be
too hot or too cold.
CAUTION
The 831C is compatible with Energizer, Duracell, and other
commercially-recognized brands of these battery types:
• AA nickel metal hydride (NiMH)
• AA Alkaline
• AA 1.5 Volt Lithium
CAUTION
Optimal battery temperature is 0° C–45° C.
Current Battery Voltage is displayed on the Power Control page. To
access the Power Control page, press the
Power
button
0
.
In the Status Bar section of the meter display, the battery icon indicates
the state of the battery charge by the color and fill.
Understanding the Low Battery Indicator
As the battery nears the end of expected life, the empty battery symbol
begins to flash. When the battery is no longer functioning, the 831C
stops running, saves all data and instrument status, then turns off.
When you power the 831C is again with fresh batteries or an external
power supply, the unit returns to the state it was in prior to shutting
down.
Full Charge
Low Charge