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22. Checks Before the System Is
Judged Defective
If no images are displayed while the power is ON, or characters are displayed but no
images are displayed, etc., check the items listed below before determining that the
system is defective.
Problems
The system cannot be
turned ON.
The system can be
turned ON, but no
images are displayed.
Characters are
displayed but no
images are displayed.
If the system cannot be turned ON, or problems are not resolved, or the system seems
abnormal after checking the above items, contact your TOSHIBA representative.
CAUTION: If the main switch is tripped, be sure to consult your TOSHIBA
representative. If the main switch is turned ON again without checking the
problem, the system or the device may be damaged more seriously.
Confirm that the power cable is connected to the outlet correctly.
Check the main switch.
• Adjust the brightness and contrast using the knobs on the CRT
monitor or the switches on the LCD monitor.
• Check whether the equipment is in external video signal input
mode.
First, set the ACOUSTIC POWER dial, GAIN dial, and STC slide
controls to their maximum positions. If still no images are displayed,
confirm that the transducer is connected to the transducer connector
correctly, or use a different transducer.
No. 2B730-973EN*D
22-1
What to do
*
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