How to re-programme a Drayton wireless thermostat?

I have a Drayton RF2 Wireless thermostat, and for some reason the screen went blank yesterday. It has come back on now but I need to re-programme it and dont have a manual. The screen reads 34c and wont change- I can change the time but nothig else. Any ideas?How to re-programme a Drayton wireless thermostat?Once you chang the batteries it should find the boiler receiver automatically. if this doesn't work then put Drayton and the model no. into Google and you can down load the Information for setting up the RF. connection.How to re-programme a Drayton wireless thermostat?Hi, Have you changed the batteries? If you have, you have to close the right battery compartment first, then the left, it should work then. Hope this helps:):):)How to re-programme a Drayton wireless thermostat?I found this link, sounds like its what you have, hope it helps.

http://www.invensyscontrolseurope.com/NR