18.1 BATTERY POWERING Via 9v PP3 (6F22) x 2,
supplied as standard, and housed under angled
aluminium panel cover. Undo the engraved, knurled
brass nut to slide off cover and access batteries
Connection is via two fixed, non-reversible clips which
should be pinched on tight
Batteries should be new and identical and their condition
checked before use to avoid damage or injury. Dispose
of leaking batteries responsibly!
Battery removal is unnecessary whilst using a Headway
DC Adapter ( external Power Supply Unit) or if EDB-2
P.53