8 9
Operation
Power: Press the power switch on the touch panel to turn the unit
on. All the LED's will light briefly and then each LED row will light
from top to bottom. This also acts as a check to assure the display
is working properly. On-grade location and deadband settings are re-
tained from the last time the unit was turned off. If the receiver is out of the
laser beam, the center light will flash to confirm power is on. If the receiver
is in the laser beam, the corresponding LED grade display will be
indicated. To turn the power off, press and hold the power key for
approximately 2 seconds until the LED's are lit, then release the switch.
Laser Out-of-Level Switch: Used with rotating lasers that change
their RPM's when out-of-level. This function is always disabled
(off). Pressing this switch once turns the function on. The LED
array will display an "X" to confirm it is enabled. When out of the laser beam,
the "X" will flash. When beam strikes greater than 140 RPM are received,
it operates normally. When beam strikes less than 140 RPM are received,
it will toggle between an "X" and the appropriate grade display. To turn the
function off, press the switch again, and an "X" without the center LED will
display indicating the function is disabled.
Center / Offset On-Grade Switch: Center on-grade is selected
for typical grading or cut/fill operations. This mode indicates an
equal amount of grade information above and below on-grade.
Offset on-grade is selected when using a backhoe or excavator.
The excavation mode gives more information and a larger display area
above on-grade. This mode also enables the plumb indication which
shows the operator when the mast and receiver are perpendicular to the
ground (plumb) for more accurate grade readings. Pressing the switch
once lights the LED of the current selection. Pressing the switch again
while the LED is on changes the selection.
Operation
Center / Offset On-Grade Switch:
Plumb Indication: The plumb indication shows when the mast and
receiver are perpendicular to the ground or beyond the deadband range
of +/- 2.5 degrees. The LED's will flash quickly when the boom is extended,
and will flash slowly when the boom is retracted beyond this range. The
LED display is solid when the boom is within the plumb range.
Deadband (Accuracy) Switch: Two choices are fine and standard
in the grading mode and standard and wide in the excavating
mode. The LEDs are used to show current selection. This selec-
tion and the center / offset on-grade selection will determine the
deadband. Pressing the switch once lights an LED of the current selec-
tion. Pressing the switch again while the LED is on changes the selection.
Offset
On-grade
Selected,
Plumb On
Offset
On-grade
LED's used
Center
On-grade
Selected,
Plumb Off
Center
On-grade
LED's used
Grading Fine
1/4"
(5mm)
Standard
1/2"
(12mm)
Excavating Standard
1/2"
(12mm)
Wide
1.0"
(25mm)
Out of Level
Disabled
Out of Level
Enabled
(24 stránky)
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