20
2.2
Front Panel Control Functions
2.2.1
ITEM
FUNCTION
Supply ON/OFF key switch
To isolate both supply leads from the
mains supply . Also to prevent
unauthorised operation of the equipment
when the key is removed
Supply ON lamp
To indicate that the key switch is
(RED)
closed thus connecting the equipment
to the supply. Also indicates that the
supply fuse is healthy
Divide by 10 push-button
Selects both output milliammeters low
(WHITE)
range (0-1mA)
HV OFF illuminated push-button
Indicates HV output is OFF. Switches
(GREEN)
OFF HV output when pressed
HV ON illuminated push-button
Indicates HV output is ON. Switches
(RED)
ON HV output when pressed
