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©2007 Johnson Level & Tool
Hold Key
Set the level in place and press this key to enter into the hold
status, record the current angle of the flashing display, the
displayed value will not change. Press this key again to release the
hold and the data will vary according to slope.
Automatic Shut-off
This instrument will shut-off automatically if no operation is received
within six minutes.
Low-power Indication
When voltage is low, battery symbol will flash in the left LCD as shown
below. When this is flashing, batteries need to be replaced.
The figure below shows the left side of the digital level needs to be
moved up to achieve level.