Topcon GTS-821A, GTS-822A, GTS-823A, GTS-825A, Instruction Manual

Page: 14 / 144

1-3
1 NOMENCLATURE AND FUNCTIONS
1.2 Display
• Display
In general upper fo
ur
lines display the measuring data, and the
bottom line displays the soft key function which is changed by the measuring mode.
•
Contrast
The contrast and illumination of display window are adjusted by star (
H
) key.
• Heater (Automatic)
The built-in heater keeps the display functional when the temperature goes below 0°C (32 °F). To
switch the heater ON or OFF, refer to Chapter 8 “PARAMETERS SETTING MODE”.
When the heater is ON and the temperature goes below 0°C.(32 °F), the heater automatically
adjust the temperature to the display to keep it operating.
• Example
•
Display marks
Angle measurement mode
V-angle : 87°55’20”
H-angle : 180°44’12”
Distance measurement mode
Horizontal-angle : 87°55’40”
Horizontal distance : 180°44’12”
Relative elevation :12.345m
Display Contents Display Content
V V-angle * EDM working
V% Percent grade (m) Meter unit
HR H-angle right (f) Feet unit
HL H-angle left F Fine mode
HD Horizontal distance C Coarse mode (1mm)
VD Relative elevation T Tracking mode (10mm)
SD Slope distance R Repeat measurement
N N coordinate S Single measurement
E E coordinate N N-times measurement
Z Z coordinate ppm Atmospheric correction value
psm Prism constant value
Battery Level Indicator
Refer to Section 2.4 “Battery Level
Indicator” for further information. Rotation Indicator
Refer to Section 1.8 “Rotating
Method” for further information.
V : 87°55'45"
HR: 180°44'12"
SD HD NEZ 0SET HOLD P1
↓
V : 87°55'40"
HR: 180°44'12" PSM 0.0
SD: 12.345 PPM 0.0
(m) *F.R
MEAS MODE VH HD NEZ P1
↓