6
Turn on/off the laser pointer
Turn on/off the laser plummet
Setting the comm. Parameters for RS232 port
Setting the atmosphere correction
Setting backlight and power management
Activate or deactivate the quick code function
Turn on/off the guide light
2. PREPARATION
2.1 UNPACKING AND STORING
· Unpacking
Place the case lightly with the cover upward, and unlock the case, take out the instrument.
· Store of instrument
Cover the telescope cap, place the instrument into the case with the vertical clamp screw and circular vial
upwards (Objective lens towards tribrach), and slightly tighten the vertical clamp screw and lock the case.
2.2 INSTRUMENT SETUP
Mount the instrument on a tripod. Level and center the instrument precisely.
Operation Reference:
1. Leveling and Centering the Instrument by plumb bob.
1) Setting up the tripod
a. Extend the legs to suitable length, make the tripod head approximately leveld to the ground and
tighten the leg screws.
b. Make the center of the tripod and the occupied point approximately on the same plumb line.
c. Step on the tripod to make sure if it is well stationed on the ground.
2) Fix the instrument on the tripod.
Place the instrument carefully on the tripod head and slide the instrument by loosening the tripod
screw. If the plumb bob is positioned right over the center of the point, slightly tighten the tripod.
3) Roughly leveling the instrument by using the circular vial.
a. Turn the leveling screw A and B to move the bubble in the circular vial, in which case the bubble
is located on a line perpendicular to a line running through the centers of the two leveling screw
being adjusted.
b. Turn the leveling screw C to move the bubble to the center of the circular vial.