Classe Audio Surround Sound Processor SSP-800 Owner's Manual page 62

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If there is a preview image but no output image, check the
display connection. Ensure the YPrPb cables are properly
connected if using a component video TV. Some display devices
may not display the source's output resolution (for example,
component 720p going into a standard defi nition display or an
HDMI source which is preset to an unsupported resolution for a
particular HDMI display.
If the preview image looks good but the colors are wrong on the
component video display then check that the component cables
are properly connected. NOTE: Only a non-copy protected YCrCb
HDMI source can be viewed on a component display. Other types of
HDMI sources show either no picture or improper colors.
8 Voltage Protection Circuit
When the SSP-800 is connected to AC power, the AC input enters
the component through a Voltage Sensing Circuit, which checks
the voltage level every 25 milliseconds. Power can only reach the
component once it has passed the Voltage Sensing Circuit. Th e circuit
verifi es that the power is within tolerable operating levels:
of ±10% of its AC line voltage setting.
between ± 11% and 15% of its AC line voltage setting.
Th e following behavior of the SSP-800 is the result of the Voltage
Sensing Circuit:
If the external voltage is within the performance range, the
product functions normally.
If the external voltage enters the range of the safe operating
limit, the standby LED fl ashes every half-second but the product
otherwise continues to function normally.
If the external voltage exceeds the safe operating limit for
10 consecutive seconds, the protection circuitry engages and
an error message appears on the touchscreen.
If the external voltage falls below its performance range, the
standby LED fl ashes indefi nitely every half-second until the
voltage is insuffi cient to sustain normal operation.
You have to cycle power to reset the protection circuitry. If you
attempt to reset the SSP-800 while the external power supply
remains outside the safe operating limit, the protection circuit
re-engages, putting the SSP-800 back into Standby mode. We
therefore recommend that you wait until the standby LED
stops fl ashing before cycling power and resetting the protection
circuitry.