i would check your fuses
Unfortunatly, you cant. This is a LCD (Liquid Crystalline Display) screen and is basically 'Self-Lighting'. If your display is no longer visible theres a good chance youll need to replace it.
Remove centre vents from dash, behind them you will find some screws, remove them and the centre dash will come off. Remove screws from display unit and the bulbs are accesible from rear, just twist them 45 degrees. Hope this helps
Temp does not display on Sharp Atomic Clock SPC 900
I had the same thing happen. I replaced the batteries in the outdoor sensor, but just got the two dashes on the clock that should display the outside temperature. After I replaced the batteries in the clock itself, the outside temperature then showed up properly on the clock. I also took all batteries out of both devices and replaced them in the order recommended in the directions on the back of the clock. I hope that helps.
lights on the radio and clock have gone off
Settings>Display>Clock>Analog
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Check the fuses. If they are good, the electroluminescent display has failed. The flourecence may have been affected by temperature change or age.
To set the temperature on an L.L.Bean Thermo Clock OHRC9, press the "Up" or "Down" button to adjust the temperature setting to your desired level. The display should update to show the new temperature setting. Refer to the user manual for specific instructions tailored to your model.
A digital clock with a large display.
There are 2 little buttons on the side of the clock, push both at same time. This will change temperature setting.
The Roman Numerals on a grandfather clock display IIII when they should display IV. The reason is that the original maker of the clock had incorrectly written the Roman Numerals.