Topcon GPT-8000 Series, Instruction Manual

Page: 14 / 145

1 NOMENCLATURE AND FUNCTIONS
1-3
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
↓
Display Contents Display Content
V V-angle (m) Meter unit
V% Percent grade (f) Feet unit
HR H-angle right F Fine mode
HL H-angle left C Coarse mode (1mm)
HD Horizontal distance c Coarse mode (10mm)
VD Relative elevation R Repeat measurement
SD Slope distance S Single measurement
N N coordinate N N-times measurement
E E coordinate ppm Atmospheric correction value
Z Z coordinate PSM Prism constant value
* EDM working NPM Non-Prism constant value
NP Non-prism mode
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.
Laser plummet is working.
(Only for laser plummet model)
1.2 Display
• Display
In general upper four 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 ( ) 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
Angle measurement mode
V-angle:
87º55’45”
H-angle: 180º44’12”
Distance measurement mode
Horizontal-angle:
87º55’45”
Horizontal distance: 180º44’12”
Relative elevation: 12.345m