Topcon GTS-823A - Manual (Page 19)

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1 NOMENCLATURE AND FUNCTIONS
1) View Date & Time
The date and time can be viewed on both screens. To change the displayed order of the date, (Date/
Month/Year), (Month / Date / Year) or (Year/Month/Date), see Chapter 8 “PARAMETERS SETTING
MODE” .
To set the date and time, see Chapter 9 “CHECK AND ADJUSTMENT”.
2) Turn the auto-tracking ON/OFF
Press the [F1] key to start auto-tracking. See Section 3.1 “Automatic Tracking” .
3) Turn the auto-collimating ON/OFF
Press the [F2] key to start auto-collimating. See Section 3.2 “Automatic Collimation” .
4) Set the parameters for the auto-tracking
A proper setting for each parameter such as tracking pattern, tracking range, waiting time, tracking
speed and tracking sensitivity. See Section 3.4 “Setting Parameters for Auto-Tracking” .
5) Auto Inversion
Pressing the [F4] key causes the instrument to reverse and turn the telescope and instrument
automatically.
l To stop auto rotating in case of emergency, press any keys except POWER key.
l During auto rotation, do not disturb the instrument.(Stopping the rotation with a touch of the hand).
Such action may cause trouble or harm to instrument or operator.
6) Electric circular level graphic display
Electric circular level can be displayed by graphic. This function is good for level the instrument when
the circular level is difficult to see directly.
Press the [F5] key to display the graphic.
In the displays of reverse side, the graphic bubble moves in reverse.
7) Adjustment the contrast of the display
This enable you to adjust the contrast of the display.
Press the [F6] key to get to Screen 2 on the display.
Press the [F1] or [F2] key to brighten or dim the display.
8) Turn the display back light ON/OFF
When the back light is OFF, the light bulb icon is dark.
Press the [F6] key to get to Screen 2 on the display.
To turn the back light ON, press the [F3] key. Press [F3] again to turn the back light OFF.
Rotate the leveling screws while observing the display.
After leveling, press [F1]. The display changes to the previous mode.
X:+0°00'00"
Y:+0°00'00" X:-------------
Y:-------------
OFF ON