Turning On/Off The Laser; Laser Setup - Spectra Precision GL412N User Manual

Fingerprint function at the HL760 receiver
Fingerprinting makes sure the HL760 detects only the laser beam of the paired tarnsmitter.
Laser fingerprinting is automatically activated and confirmed with a clock symbol after a HL760 has been
paired with the laser. To recognize an ignore laser strikes from other than the paired transmitter takes
typically 5 seconds; sometimes few seconds more.

Laser Setup

Position the laser horizontally (tripod mount and rubber feet downward!) on a stable platform, wall mount or
tripod at the desired elevation.
The laser recognizes automatically whether it is used horizontally or vertically when switched on.

Turning On/Off the laser

Press the power button to turn On/Off the laser.
The LCD shows Initialisation and then for one second the model number and Software Rev.
The LEDs (b, d and e) are turned on for 2 seconds. At the LCD, the last used grade values, the mask mode
and battery status will be displayed. The battery symbol disappears after few seconds and comes back if
the batteries are getting low.
If a grade value has been dialed in, the unit starts the temperature/reference check while the thermometer
.
symbols are flashing
When the temperature/reference check has been finished, the standard display appears and the A symbols
flash until self-leveling has been completed.
GL412N - vertical setup - GL422N
GL412N - horizontal setup - GL422N
Pressing and holding the E button shows the actual rotation speed and the internal temperature.
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