HP 3562A, Service Manual

Page: 446 / 570

SAFETY SYMBO LS
General Definitions of Safety Symbols Used On Equipment or In Manuals.
I nstruction manual sym bol: the prod uct w i l l be marked with this sym­
bol when it is necessary for the user to refer to the instruction manual
in order to protect agai nst damage to the i nstru ment.
I ndicates dangerous vo ltage (term inals fed from the interior by vol­
tage exceeding
1 000
volts must be so marked).
Protective cond uctor term inal. For protection against electrical shock
....L
OR
i n case of a fau lt. Used wi th field wiring term inals to indi cate the
term i n a l which must be con nected to ground before operati ng
eq u i pmen t.
rh
OR
.J..
WARNING
CA UTION
N O T E :
Low-no ise or noiseless, clean ground (earth) term inal. Used for a sig­
nal com mon, as we l l as providing protection agai nst electrical shock
in case of a fau lt. A term i n a l marked with this symbol must be con­
nected to ground in the man ner descri bed in the i nsta l l ation (operat­
in g) m a n u a l , and before operating the eq ui pm ent.
Frame or chass is term i n a l . A connection to the frame (chassis) of the
eq u i p men t which normally incl udes a l l exposed metal structu res.
Alternating cu rrent (power l i ne).
D i rect cu rrent (power l i ne).
Altern ating or d i rect cu rrent (power l i ne).
The WA R N I N G s ign den otes a hazard. I t calls attention to a proce­
d u re, practice, cond ition or the l i ke, wh ich, if not correctly performed
or adhered to, cou ld res u l t in i n j u ry or death to personnel.
The CAUT I O N sign denotes a hazard. It calls attention to an operat­
ing procedu re, practi ce, condition or the li ke, wh ich, if not correctly
performed or ad hered to, could result in dam age to or destruction
of part or a l l of the prod uct.
The N O T E sign denotes im portant information. It calls attention to
proced u re, practi ce, condition or the l i ke, which is essential to
h i g h l i ght.