1961 OPERATORS’ MANUAL
1
DRAWMER 1961
VACUUM TUBE EQUALISER
SAFETY CONSIDERATIONS
CAUTION - MAINS FUSE
TO REDUCE THE RISK OF FIRE REPLACE THE MAINS FUSE ONLY WITH A
FUSE THAT
CONFORMS TO IEC 127-2
. 250 VOLT WORKING, TIME DELAY
TYPE WITH A BODY SIZE OF 20mm x 5mm.
THE MAINS INPUT FUSE MUST BE RATED AT 250mA WHERE THE MAINS
INPUT VOLTAGE SWITCH IS SET TO 230 VOLTS AC. AND 500mA WHERE
THE MAINS INPUT VOLTAGE IS 115 VOLTS AC.
THE REAR PANEL H.T. FUSE MUST ALWAYS BE RATED AT 50mA,
IRRESPECTIVE OF THE MAINS VOLTAGE SETTING.
CAUTION - MAINS CABLE
DO NOT
ATTEMPT TO CHANGE OR TAMPER WITH THE SUPPLIED MAINS
CABLE.
CAUTION - SERVICING
DO NOT
PERFORM ANY SERVICING. REFER ALL SERVICING TO
QUALIFIED SERVICE PERSONNEL.
WARNING
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE
THIS EQUIPMENT TO RAIN OR MOISTURE.
