Topcon GTS-823A - Manual (Page 31)

2-7
2 PREPARATION FOR MEASUREMENT
l Setting Tilt Correction by Soft Key
Enable you to select tilt ON/OFF function on page 2.
The setting performed here will be memorized after powering OFF.
[Example] Setting X,Y Tilt ON
2.7 Compensation of Systematic Error of Instrument
1) Error of vertical axis (X,Y tilt sensor offset)
2) Collimation error
3) Error of vertical angle 0 datum
4) Error of horizontal axis
The above mentioned errors can be compensated by software, which calculated internally
according to each compensation value.
Also these errors can be compensated by software collimating one side of the telescope that is
carried out to delete the error by turning in normal and reverse both sides of telescope so far.
l To adjust or reset the above compensation value, see Chapter 9 “CHECK AND ADJUSTMENT” .
l Enable you to stop this function, see Chapter 8 “ PARAMETERS SETTING MODE” or Chapter 9
“CHECK AND ADJUSTMENT” .
Operating procedure Option Display
1 Press [F6] key to get the function page 2.
[F6]
2 Press [F5](TILT) key.
Current setting is displayed. *1
[F5]
3 Press [F2](ON-2) key.
The display shows tilt correction value.
[F2]
4 Press [F1] key.
The display returns previous mode.
[F1]
*1) Pressing [F6](ESC) key, the display returns previous mode.
l The tilt sensor setting will be stored in memory when the instrument is turned OFF.
The tilt sensor option can also be changed in the Parameter Setting Modes. When you change the tilt
sensor option in the angle measurement mode, it will change in the Parameter Setting Modes and visa
verse.
V : 87°55'45"
HR: 180°44'12"
SD HD NEZ 0SET HOLD P1 ↓
REC HSET R/L V/% TILT P2 ↓
TILT ON (V)
ON-1 ON-2 OFF ESC
X:+0°00'00"
Y:+0°00'00"