Product Manual

Automatic Spot Match (only DG813) - Automatic-Spot-Match can be used

for measuring an unknown grade value in an existing pipe or open trench.

Press and release the M button at the standard display and select Spot Match

using the (+)/(-) and left/right buttons.

Press/release button M  escape/return to the standard display.

Pressing and releasing E button starts the automatic Spot Match while the beam

becomes a rotating fan beam which will be automatically aligned to the SF803‘s center position.

Note: The left SF along with a grade symbol flashes while an additional SF symbol at the right

site of the display indicates the beam movement until the beam is centered. When Spot Match

has finished, the beam goes through the SF hole and the measured grade value will be displayed.

Automatic Spot Match can be exited any time by pressing and releasing ESC button.

Automatic SpotLok (only DG813) - Automatic SpotLok (like PlaneLok) can be used to align

and hold the beam automatically to the SF803’s center point in automatic or manual mode.

Press and release the M button at the standard display and select SpotLok using

the (+)/(-) and left/right buttons.

Press/release button M  escape/return to the standard display.

Pressing and releasing E button starts automatic SpotLok while the beam becomes a rotating

fan beam which will be automatically aligned to the SF803‘s center position.

Note: The left SF along with a lock symbol flashes while an additional SF symbol at the right site

of the display indicates the beam movement until the beam is centered.

Automatic SpotLok can be exited any time by pressing and releasing ESC button where the unit

switches back to automatic or manual mode.