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3 AUTOMATIC TRACKING / AUTOMATIC COLLIMATION
3.4 Setting Parameters for Auto-Tracking
A proper setting for each parameter are necessary for custom use.
The setting of the parameters can be done in the star key mode.
3.4.1 Setting Items
1) Search Patterns
The search pattern is the rotating method of telescope and instrument to find the target prism in search
mode. Search pattern includes the following 2 ways that can be selected.
1) Things like heat haze might interfere with the tracking system in the long distance, near limit of auto
tracking range, in search mode.
2) Reaction by rotating of instrument in search mode is serious. Be sure of each connection part of the
tribrach or tripod are firmly.
2) Search Range
The search range is the area to searched for the prism by rotating the telescope and body in Searching.
The Search range is decided from the point where the prism lost, and the values will be set to plus and
minus directions in horizontal and vertical.
Select search pattern first, and set the search range to the selected search pattern. Also it is enable to
set each search pattern separately.
Items Selecting item Contents
SEARCH
PATTERN
PATTERN 1 The search range is the area to searched for the prism by rotating
the telescope and body in searching.
PATTERN 2
SEARCH
RANGE
V:0° to 90°
H:0° to180°
The search range is the area to searched for the prism by rotating
the telescope and body in searching. The SEARCH range is
decided from the point where the prism lost, and the values will be
set to plus and minus directions in horizontal and vertical. Also it is
enable to set each search pattern separately.
WAIT TIME 0:00 to1:00:00
(1sec. step)
The time the prism is lost before GTS-820A series starts the
searching. If the mode is set to [HOLD], mode will not change to
searching.
HOLD
TRACKING
SPEED
SURVEY Select your purpose.
MACHINE
CONTROL
REFLECTOR
TYPE
PRISM The type of the reflector can be selected.
REFLECTOR
TAPE
PREDICTION
CTRL TIME
0.5sec./ 1sec. /
2sec. /3sec. / 4sec
/ 5sec.
After the instrument loses a prism, the time (prediction operation
time) for the instrument to continue moving operation can be set up.
PATTERN 1
This pattern can be selected to search the prism at the point where the prism is lost.
Instrument searches in up down direction gradually from the point where the prism is lost.
The searching is arranged to 2 times until the prism is found.
The auto tracking mode changes to manual mode when the reflector could not found out
within 2 times searching, and returns to the point where the reflector is lost.
PATTERN 2
This pattern can be selected to search for the prism. The search pattern tries to locate the
prism in a very short time.
The searching is arranged to 2 times until the reflector is found.
The auto tracking mode changes to manual mode when the reflector could not found out
within 2 times searching, and returns to the point where the reflector is lost.