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2.
None of the control buttons on the base unit or RF remote control work
until the LED on the base unit has stopped flashing and turned to a
steady green.
3.
Turn on the level or plumb laser from the base unit or RF remote con -
trol.
Caution: ALWAYS turn off both lasers and the main power switch before
!
transporting or storing the base unit.
Using the Lasers
The RT-7690 series base units' level and plumb lasers operate independently. The
level laser, plumb laser, or both lasers can be turned on simultaneously.
•
Level laser - Use the level Spin or Line Dither/Scan laser for indoor and out
door level applications, such as leveling cabinetry, setting concrete forms, or
leveling electrical outlets.
•
Plumb laser - Use the plumb Spin or Line Dither/Scan laser for indoor and
outdoor plumb and alignment applications, such as plumbing framing or
aligning conduit.
•
Level and plumb lasers - Use both lasers simultaneously to generate a
crosshair for level and plumb alignment applications, such as aligning cabi-
netry or tiling.
Notes:
"
1.
Slight variation of beam brightness at distances less than 3 ft. (91 cm)
may be seen. At distances greater than 3 ft. (91 cm), there are no inter-
ruptions in the beam.
2.
See the Applications section for application diagrams.
Operating Modes - Spin and Line/Dither Scan
The RT-7690 series base units have two basic operating modes:
•
Spin mode - The laser beam disperses throughout the level or plumb plane.
Spin mode is used under conditions where laser beam visibility is poor or non
existent (for example, outdoors in daylight). Spin mode produces a less visible
laser beam, which can be detected indoors or outdoors with the RF remote
control's built-in laser detector.
•
Line Dither/Scan mode - The laser beam moves rapidly back and forth (dithers),
producing a shorter, brighter beam than in Spin mode. With the brighter laser
beam, the laser detector is not required. The dither line length can easily be set
to level and plumb application requirements. Line Dither/Scan mode is normally
used for indoor applications.
Note: The RT-7690 series base unit scan be controlled by the laser controls
"
on the base unit and RF remote control. The RF remote control allows for
non-directional, unobstructed operation of the base unit, from up to 300 ft.
(91m) anywhere on the job site.
Spin Mode
When the laser is first turned on,
Continue pressing the level
medium and fast speeds, then back to slow speed. Decrease speed to improve
laser beam visibility, especially for indoor applications.
Plumb alignment
of ±2.0° around the center of rotation. The default position is the midpoint of the 4°
adjustment range. The base unit emits a constant beep if the adjustment limit is
reached.
Note: To enter Spin mode from Line Dither/Scan mode, press the level
"
or plumb
Line Dither/Scan Mode
When the laser is first turned on,
mode, press the level
short, bright line appears. Continue pressing the Line Dither/Scan button to cycle
through the six different line lengths, then back from the longest line to the short-
est.
or plumb
is available for the plumb laser in Spin mode, with a range
Spin button on the keypad.
or plumb
it is in Spin mode at the slowest speed.
Spin button to cycle through the
it is in Spin mode. To enter Line Dither/Scan
Line Dither/Scan button on the keypad. A
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