
10
4. PRODUCT OUTLINE
Instrument height mark
The height of the instrument is as follows:
• 192.5 mm (from tribrach mounting surface to this mark)
• 236 mm (from tribrach plate to this mark)
"Instrument height" is input when setting instrument station data and is the height from the surveying point
(where the instrument is mounted) to this mark.
Trigger Key
Press the trigger key when the iM is in the OBS mode or when
[MEAS]
/
[STOP]
is indicated on the display
unit. You can start/stop measurement.
In the screen displaying
[AUTO]
, press trigger key to perform automatic operation from distance
measurement to recording.
Laser-pointer function
A target can be sighted with a red laser beam in dark locations without the use of the telescope.
Sighting collimator
Use sighting collimator to aim the iM in the direction of the measurement point. Turn the instrument until
the triangle in the sighting collimator is aligned with the target.
Guide light
Setting-out measurement etc. can be carried out effectively using the Guide light. The Guide light is
composed of a light that is divided into a red and a green light. A poleman can ascertain the present
position by checking the Guide light color.
Guide light status
When the guide light is turned ON, it is displayed as a symbol in the display unit.
"5.2 Display Functions"
Light status
Meaning
Red
(From position of poleman) Move target left
Green
(From position of poleman) Move target right
Red and Green
Target is at correct horizontal position
Red
Red
Green
Green
Green Red
Guide light
(
When seen from the objective lens side
while the instrument is in the Face 1 state)