163
Symptom Probable Cause Cure
Cannot output data to
computer
- or -
Output to computer garbled
Cable is loose
Hardware handshake
protocol on host
Secure cable connections
See data management
section
See data management
section
Unit consistently loses data
- or -
Odd characters appear on
various screens
Flash memory defective Contact nearest authorized
agent for service
The main screen does not
appear when the instrument
is turned on,
Instead, another screen
appears.
A software bug that has
been corrected in the latest
version of software
occasionally causes this
problem
Contact Opti-Sciences Inc
to reload the latest version
of software.
Fluorescence signal is
noisy
Battery is insufficiently
charged
External actinic light
source is heavily
modulated (pulsed xenon,
or fluorescent light)
External illumination
source has too much IR
radiation
The PIN diode detector
gain is set too high.
Fiber not steady on sample
Charge battery
Use actinic illuminator
with a continuous output
that is not modulated. Do
not use fluorescent lights!!!
Filter out excessive IR
Raise the Modulated light
intensity and reduce the
gain control setting
Use open body clip or a
PAR Clip
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