OptimaXL6 ;
The display on the above does not light up making it difficult to set in the dark.Is there a bulb behind the panel and how easy is it to change?

alanb, April 2011

Sorry, LEDs (generic term) are bulbs without a filament, that are low in power consumption and have a long life span.

acorn, April 2011

not bulbs acorn,they are a electronic device that allows current in only one direction,they are arsenic infused
so that they glow when a current flows through then,
if you add a gate trigger it becomes a triac that allows more current to flow through the more you apply power at the gate,its used in light dimmers,and speed control devices,i used to fit them in the neutral return in car radios and cb units,incase the user reverses the polarity,so it wont damage the unit,but i used ordinary diodes.

gts, April 2011

Light Emitting Diodes (LEDs) are bulbs without a filament, that are low in power consumption and have a long life span.

acorn, April 2011

Is there a bulb behind the panel, Its called a light emitting diode, So No. So now Alan you wont believe us, and no doubt open the box to find out, creating another problem

N, April 2011

Planting time is about now, tulips should flower fast.

Green finger, April 2011

no bulbs,its led,s

gts, April 2011