I have a small telephone amplifier, currently powered by a 9V standard battery. There is the option to use a 7V DC 100mA power supply in place of the battery. I have a spare mains to DC battery...
Can anybody help? I have a Thomson DT16300 DTR that has suddenly decided to freeze every time I go into the programme library. It allows 2/3 button presses then freezes. I have tried the recommended...
