Morita veraviewepocs 2d, Инструкция по эксплуатации

Страница: 84 / 116

80
Exposures and Main Unit
Problem Possible Cause Remedy
Panorama & Cephalo
•
Image too light
• Line in image
• Large white border
•
Partial image
•
Completely black
* Noise Interference
* Short, temporary
power cut
Turn unit off. Make sure of patient and user safety. Turn
unit back on and see if it works normally.
Make sure that the power supply is AC 108 to 132 V
(Including line voltage regulation) with at least 20 A
capacity for EX-1, AC 220/230/240 V, 16 A for EX-2 and
that the unit is properly grounded.
Do not use devices which might produce noise during an
exposure.
•
Unit spontaneously
goes back to same
condition as when it
was turned on at
first.
• Or switches will not
work at all
Turn unit off. Make sure of patient and user safety. Turn
unit back on and see if it works normally.
Make sure that the power supply is AC 108 to 132 V
(Including line voltage regulation) with at least 20 A
capacity for EX-1, AC 220/230/240 V, 16 A for EX-2 and
that the unit is properly grounded.
Panorama & Cephalo
Image has strobe effect
Metal prosthetics can
cause excessive
feedback in the Auto
Exposure system and
produce a strobe effect.
(AE Strobe)
Check by making exposure without using AE
Incisor area is blurred
Poor patient positioning
Review patient positioning procedures.
Patient may have moved after auto positioning was
completed.
For manual positioning, coronal beam may not have been
lined up with the upper left canine
Center of panorama
image is white and left
side is contracted.
Inconsistent density Application setting Configure application with tool bar
Uneven image density
i-Dixel application
setting
Adjust density with i-Dixel tool bar settings
Extremely dark areas or
entire image is too white
Poor exposure condition
settings
Adjust Auto Level or manual kV and mA settings