Operating Keys - David White DWT-10 Instruction Manual

1.2.2 Operating Keys

KEY SYMBOL
R/L
Locking horizontal
HOLD
V%
Zero the horizontal
0SET
FUNCTION
Setting horizontal
angle rotational
direction
angle reading
Illuminating the
display and the
crosshairs
Vertical angle to
percent of grade
angle reading
Power ON/OFF
Used to switch horizontal angle
between clockwise rotation (H
counterclockwise rotation (H
The direction changes each
time the button is pressed.
Used to lock current horizontal angle
into display. The horizontal angle
reading will flash when this button
is pressed. The instrument can be
turned without changing the
horizontal reading. Pressing the
button again will unlock the
horizontal angle display.
Used to light the display and
crosshairs. Press to light display and
crosshairs, press again to shut off the light.
Used to switch the vertical angle
display between degrees/gons and percent
of grade. The "%" sign will be
shown on the display when percent
of grade is active.
Used to zero the reading of the
horizontal angle display. Press to
zero the reading at any point.
Used to turn the display on and off
OPERATION
) and
R
).
L
5