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FOREWORD
Laser Safety
GTS-820A series uses the visible laser beam for auto tracking, optical communication. The
GTS-820A series products are manufactured and sold in accordance with “Radiation Safety of Laser
Products, Equipment Classification, Requirements and User‘s Guide” (IEC Publication 60825-1) or
“Performance Standards for Light-Emitting Products” (FDA/BRH 21 CFR 1040) provided on the safety
standards for laser beam.
As per the said standards, GTS-820A series is classified as “Class 2 (CLASS II) Laser Products”.
The laser beam belongs not very dangerous type but we request you to keep and understand “Safety
standard for users” as mentioned in the manual instruction.
In case of any failure, do not disassemble the instrument. Contact TOPCON or your TOPCON dealer.
Laser class of each mode is as follows.
Labels
Find the labels which describes the caution and safety about the laser beam as follows in GTS-820A
series.
We request you to replace it one anytime the caution labels are damaged or lost and paste a new one
at the same place. You can get the labels from Topcon or your dealer.
Symbol marks while the laser is emitting.
The following symbol marks of instrument status will indicate that the laser is emitting.
Mode Laser class
Autotracking Class 1 (CLASS II)
Optical communication Class 2 (CLASS II)
Beam aperture
Warning Label
GTS-820A series
Explanatory Label
Beam aperture
CLASS II LASER PRODUCT
WAVE LENGTH 660, 690nm
1mW MAXIMUM OUTPUT
LASER RADIATION-DO NOT
STARE INTO BEAM
CAUTION
DIODE LASER
Each label is differed by the market.
V : 87°55'45"
HR: 180°44'12"
SD HD NEZ 0SET HOLD P1↓
The symbol mark
Marks
Status of
instrument
Auto-collimating
Auto-tracking
Waiting
Searching