5
Installing the Battery
Peak Level Indication
 — shows you
when the meter registers the maximum
level measurement on the bargraph.
Reset Button
 — lets you clear the current
measurements from the meter’s memory
and begin a new measurement.
9-Volt Battery Operation
 — lets you
power the meter with a 9-volt battery.
Phono Output Jack
 — lets you connect
the meter to your stereo system or test
equipment.
Low-Battery Indicator
 — shows you
when the battery needs to be replaced.
ˆ
Installing the 
Battery
The meter requires one 9-volt battery for
operation. For the best operation and
longest life, we recommend RadioShack
alkaline batteries. Follow these steps to
install the battery.