7
Before you use the lasers
To turn the HALO o :
Press and hold Button 2 until the HALO
logo appears (about four seconds) then
release the button.
The display will go blank.
It is recommended that the device
be put into STANDBY MODE
to conserve the battery.
See, Extending Battery Life.
21
4 SECS
STANDBY/OFF
HALO is designed so that the lasers
are only activated when ready to
measure (MEASURE MODE).
The lasers project towards the limb,
to prevent spillover of the beam.
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