B&K Precision 830C - Manual - Manual (Page 18)

16
WARNING: Before connecting an external
power adapter, please check the battery
compartment in the rear side of the unit. If
a battery is installed, be sure that the
polarity matches the (+) and (-) labels as
indicated inside the battery compartment.
If it is not installed correctly, please
remove the battery and install it with
correct matching polarity as indicated in
the compartment. See “Installing Battery”
section for details. DO NOT, at any time,
connect an external power adapter when a
battery is installed incorrectly. Doing so
will damage the instrument and void its
warranty.
Front Panel Buttons
All front panel buttons have specific colored labels on
them. They are all marked in white, blue, or yellow
color. Each color has a specific representation, as
described below:
White – With the exception of the
button, all white colored labels
represent the primary function of that