Panasonic BT-LH1710 User Manual - Page 41

Error and Warning Displays If for any reason an error occurs in this monitor, the LEDs above the picture adjusting knob flash at 1-second intervals to inform of the error/warning. Error and Warning displays Inverter error Warning of drop in external DC input voltage/low voltage Symptom If a malfunction occurs in the inverter that controls backlight brightness, the backlight goes off and the screen turns black. A "LOW VOLTAGE" indication in blue flashes on the screen. This means that the external DC power supply input voltage has dropped to approximately 11.3 V or less. The "LOW VOLTAGE" indication flashes in red on the screen and the power is turned off approximately 4 seconds later. This means that the external DC power supply input voltage has dropped below 11.0 V. Remedy Turn off the power and then turn it back on. If the problem still persists, consult your dealer. • If you use a battery pack as an external DC power supply, replace it with a fully charged battery pack. • Connect an external DC power supply providing 11.0 V or more. Set the POWER switch to the off position and then set it to the on position again. Maintenance • Clean the cabinet and protection panel by gently wiping it with a soft cloth. To remove stubborn soiling, use a cloth dampened in a weak neutral detergent solution and thoroughly wrung out. Then wipe with a dry cloth. Any moisture entering the monitor could damage it. • Do not use benzene, thinner and similar solvents for cleaning. They could discolor the surface and cause the paint to peel. • Do not directly expose the monitor to spray cleaning. Any moisture entering the monitor could damage it. 41