Anritsu MT9812B, Operation Manual, Page: 44 / 144

Section 3 Before Use
3-6
3.4 Laser Safety
The light source used by the MT9812B includes an element to radiate the laser
light that corresponds to Class 1M in accordance with the IEC 60825-1 stipula-
tions and Class III B in accordance with the FDA and 21 CFR stipulations.
“For Safety” at the beginning of this manual
The MT9812B incorporates the following two safety devices to prevent the light
from being radiated suddenly.
(1) Remote interlock connector
Light will not be output unless the remote interlock connector is in the state
of short circuit.
3.5 Connection of Remote Interlock Connector
(2) Optical output modifier key switch
Light will not be output unless the switch is turned ON by the removable key.
3.6 Optical Output Modifier Key Switch
CAUTION
Do not look into the connection surface of the optical
fiber cord of the light source optical connector or the
end face of the optical fiber cord connected to the light
source as invisible laser light output may cause visual
deficit and other problems.
Moreover, procedures and operations other than those
prescribed in this manual may cause exposure to the
invisible laser light.