Optika Italy B-380 Serie Mode D'emploi page 11

Troubleshooting
Review the information in the table below to troubleshoot operating problems.
PROBLEM
LIGHT DOESN'T TURN ON
IMAGE CANNOT BE SEEN OR
IS DARK.
IMAGE IS UNCLEAR, BLURRED
OR HAS INSUFFICIENT CON-
TRAST.
User replaceable accessories and spare parts
CAT. NO. DESCRIPTION
M-160 Eyepiece WF10x/20mm.
M-161 Eyepiece WF15x.
M-162 Eyepiece WF20x.
M-163 Micrometer eyepiece WF10x/20mm.
M-005 26x76 mm micrometric slide. Range 1 mm, div. 0,01 mm.
M-144 Objective 4x/0,10 E-PLAN IOS.
M-145 Objective 10x/0,25 E-PLAN IOS.
M-146 Objective 20x/0,40 E-PLAN IOS.
M-147 Objective 40x/0,65 E-PLAN IOS
M-149 Objective 60x/0,80 E-PLAN IOS.
M-148 Objective 100x/1,25 E-PLAN IOS (Oil).
M-335 Objective PLAN IOS MET 50x/0.75.
M-173 Photo adapter for APS-C and Full Frame Reflex cameras.
M-114 C-Mount adapter for 1/2" sensor.
M-069 Solar battery pack.
M-181 Complete Phase Contrast Set with IOS PLAN obj. 10x, 20x, 40x, 100x , with Darkfifi eld position.
M-174.1 Polarising set, fifi lters only (for B-380 series).
M-175 Rotating table for polarising set.
M-185 Darkfifield condenser for Dry Objectives.
M-116 C-Mount adapter for 2/3" sensor.
All manuals and user guides at all-guides.com
CAUSE
Power supply not connected Check that the 6Vdc power supply jack
The iris diaphragm aperture
is not completely opened
Brightness level is low
Objective is not aligned with
the optical axis
Objectives or filters are dirty
The iris diaphragm aperture
is not opened correctly
Condenser at wrong height
Page 11
SOLUTION
is well inserted on the rear of the micro-
scope
Rotate the brightness adjustment control
and check if there is an increase in the
light output
Completely open the iris diaphragm aper-
ture
Rotate the brightness adjustment potenti-
ometer
Rotate the nosepiece until an objective is
well inserted in the optical path (it "clicks")
Wipe them clean
Open the iris diaphragm aperture
completely
Rotate the condenser knob until you see
a uniform illumination