The page is about user manuals, installation instructions, specifications, pictures and questions and answers of Dimplex OFC2400TIF. 'MANUAL ON' mode allows power to the heater uninterrupted by the timer settings. The heat selector switch will control the output (see 'Using the heater'). Ask a question about Dimplex OFC2400TI/TIF in Electric Heaters. Does unit need to be in Manual mode to charge the battery - with small 'Power' light onThis ensures that the heater will not produce heat unnecessarily. THESE INSTRUCTIONS SHOULD BE READ CAREFULLY AND RETAINED FOR FUTURE REFERENCE. Dimplex Oil