rwb7

Hi, I'm trying to change the on/off times on an RWB gas heating time, but all I get is the flashing 12am. I've printed out and checked instructions but nothing seems to work. I've pressed the reset button with a pen, slid the switch to 'clock' to set the time, but the time+?/time- buttons do...

My mum recently passed away. The insurance company have said that I need to set the central heating in her house to come on whenever the temperature drops below 5 celcius. I have no idea how to do this and have no manual for the RWB7 / thermostat. I've googled for a manual but the only thing I...