7
3. PARTS OF THE INSTRUMENT
&
Peep sight
Use peep sight to aim the DT in the direction of the measurement point.
Turn the instrument until the triangle in the peep sight is aligned with the
target.
&
Instrument height mark
The height of the DT is 236mm (from tribrach dish to this mark). "Instrument
height" is input when setting instrument station data and is the height from the
measuring point (where DT is mounted) to this mark.
Operation panel ~ Display Functions ~
z
Display symbols
P.SAVE: Power saving mode. Deactivated by key operation or rotation of the
upper part of the instrument.
:
Vertical angle ±90
: %/‰ vertical angle
:
Remaining battery power display (4 levels)
:
gon angle units
Horizontal angle right
:
Horizontal angle left
Horizontal angle hold
z
Key Operation
:
Power on
+
:
Power off
The ON/OFF power setting may be set so that
by itself can
be used to turn the power on and off.
0
SET
%
MENU
OFF
P.SAVE
V: Vertical angle
H: Horizontal angle
Operation keys
Содержание DT20C
Страница 1: ...SURVEYING INSTRUMENTS OPERATOR S MANUAL DT7C DT20C Electronic Digital Theodolite ...
Страница 2: ...This is the mark of the Japan Surveying Instruments Manufacturers Association ...
Страница 6: ...iv ...
Страница 49: ......
Страница 50: ...3rd ed 03 0809 Printed in China 2007 SOKKIA TOPCON CO LTD ...