Ooops! That wasn't intentional. Not sure how I managed it.
I wonder if you can see this. Photo from ebay. It's identical.
http://www.ebay.co.uk/ulk/itm/281878149342
Don't know if this helps. I'm not at home atm to take a picture.
I've moved into a house with a Worcester Heatslave 12/14 oil fired boiler. I can't for the life of me work out how to correct the clock which is working but about three hours too fast, nor how to program it to come on twice daily. I'm not getting much help from the manual I've downloaded. I can...