3
4.7 Place the instrument
a) Could be placed on the horizontal platform directly
\
b) Could connect with tripod through 5/8’’ in the bottom of instrument
4.8 Operation keypad
Power indication light
ON: the power is connected
OFF:the power is cut off
Flash continuously: low voltage
Tilt mode indication light:
Flash continuously: tilt mode on
OFF: tilt mode off
Receiving mode indication light:
ON: Receiving mode on
OFF:Receiving mode off
Receiving mode indication
Power indication light
Tilt mode indication light
Horizontal line controlling
button
Vertical line controlling button