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ON/ OFF
On/ Off
Control the power on/off
F1~F4
Soft Keys
The characters at the bottom line of the
display indicates the meaning of the
soft keys.
0~9
Number keys
Enter numbers or characters or choose
the menu
~ -
Special Symbols
Enter symbols, decimals and signs
★
Star key
It is used to operate the common
function of the instrument, and can
enter all the measuring interface .It
displays the dialog of the contrast,
lighting compensator , parameters of
distance measuring and file selecting.
Symbols on the display
Symbol
Indication
Vz
Zenith Mode
V0
The mode that the vertical is displayed as zero when the
telescope is level in normal .
Vh
Vertical angle Mode (it is 0
°
00
′
00
″
when the telescope is
level. The angle of elevation is positive and the angle of
depression is negative.)
V%
Slope Mode
HR
Horizontal angle (right angle). dHR meas the angle difference
of setting out.
HL
Horizontal angle (anticlockwise increment)
HD
Horizontal distance. dHD is to stake out horizontal distance
difference.
VD
Elevation difference. dVD is to stake out difference between
elevation differences.
SD
Slope distance. dSD is to stake out differences between slope
distances.
N
North coordinate. dN is to stake out differences between
north-coordinates.
E
East coordinate. dE is to stake out differences between
East-coordinates.
Z
Elevation coordinate. dZ is to stake out differences between
Z-coordinates
EDM(Electronic Distance Measurement) is in progress.
m
Unit in metres (metric units)
ft
Units in feet