-19-
Curve zooms in and out: Click the left key (no release) of
the mouse and move the mouse.
2. Historical data page
Historical data process: read, access, saving, analysis,
Sequence
，
draw curve, print.
VIII Replace battery
Caution! No detection could be conducted when the
battery cover is not properly closed, otherwise there is
danger.
Pay attention to battery electrode, otherwise it will do
harm to the instrument.
1. When high voltage detector has its battery voltage below 4.8V,
its main set flashes with ---.When the main set has its battery
voltage below 4.8V, the main set displays the low voltage
icon, indicating that the battery is short of power, replace the
battery.
2. Power off, confirm that the instrument is shutdown. Loosen
the 2 screws on the battery cover open the battery cover and
