DS551DR4 User Manual 23
Troubleshooting
No input image is displayed.
⚫ Check whether the cable is completely plugged in.
⚫ Check whether the main switch is in the ON position, and the
power cord is completely plugged in.
⚫ Check whether the image source’s resolution is set as the
supported format (refer to section “Input Mode”, p.21).
⚫ Check whether the cable is damaged or bent excessively.
Nothing happens when
switching the main switch on.
⚫ Unplug the power cord from the socket and plug it in again
after a few seconds to reset the Signage.
Note: Unplugging the power cord will not change the settings.
⚫ Check whether the cable is completely plugged in.
The remote control does not
work.
⚫ Check whether there are batteries in the remote control.
⚫ Check the batteries for freshness, polarity, etc.
⚫ Check whether the remote is in the operation range.
⚫ Bright light may interfere with the remote control. Please
avoid using the remote control near special fluorescent lights
or neon lights.
Auto on/off does not work or
does not function properly.
⚫ Check whether the TIMER setting in the menu is set to “OFF”.
⚫ Check whether the “Power On Time” and “Power Off Time”
settings are set correctly.
Cannot control the display
remotely via RS-232.
⚫ Check whether the RS-232 cable is connected properly.
If you are still having trouble with your DynaScan DS² Professional LCD, contact your dealer or
DynaScan directly for more assistance.
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