HP 3562A Service Manual page 445

The following general safety precautions m u st be observed during a l l phases of operation, servi ce, and repair
of this instrument. Fa i l u re to comply with these precautions or with specific warni ngs elsewhere in this manual
violates safety standards of design, manufactu re, and intended use of the instru ment. H ewlett-Packard Com­
pany assumes no l iabi l ity for the custome r's fa i l u re to comply with these req u i rements. This i s a Safety Class
instru ment.
1
G RO U N D THE I N STR U M E N T
To m i n i m i ze s hock hazard, t h e i nstrument c hass is a n d cabi net m ust be connected to an e l ectri cal ground.
The i nstrument is e q u i pped with a three cond u ctor ac power cab le. The power cable m u st ei ther be p l u gged
i nto an approved three-contact e l ectrical outlet or used with a three-contact to two-contact ada pter with the
gro u n d i ng w i re (green) f i rmly connected to an electrical g ro u nd (safety gro u n d ) at the power outlet. The power
j ack and m ating p l u g of the power cable meet I nte rnational E l ectrotech n i ca l Comm ission ( l EC) safety standards.
DO N OT OPERATE IN A N EXP LOSIVE ATM O S P H E R E
Do not operate the i nstru ment in the presence of f l a m m ab l e gases or fumes. O perati on of any electrical i n stru­
ment in s u ch an environment constitutes a d ef i n i te safety h azard.
KEEP AWAY FROM LIVE C I RC U ITS
O p e rating perso n n e l m ust not remove i nstr u m ent covers. Component rep l acement and i n te r n a l adj ustments
m ust be m ade by q u a l ified m a i nte n a n ce perso n n e l . Do not rep l ace com ponents with power cable connected.
U n d e r certa i n conditio ns, dangerous vo ltages may exist even with the power cable removed. To avo id i nj u ries,
always d isconnect power and d i scharge c i rc u its before to u c h i n g them.
DO N OT SERVICE OR ADJ U ST A LO N E
Do not attempt i n ternal service o r adj ustment u n l ess another person, capable o f ren d e r i n g f i rst a i d a n d resus­
citat i o n , is present.
DO N OT S U BSTITUTE PA RTS O R M O D I FY I N STR U M E N T
Because of the danger of introd u c i ng add itio n a l hazards, d o not in stall s u bstitute parts o r perform any u n autho­
rized m o d i f i cation to the i nstrum ent. Return the i nstrument to a H ewl ett-Packard S a l es and Serv i ce O ff i ce
for service and rep a i r to ens u re that safety featu res are mai nta i ned.
DA N G E R O U S PROC E D U R E W A R N I N G S
Warn i n gs, such as the example bel ow, precede potenti a l ly dangerous procedu res throughout this m a n u a l . I nstruc­
t i o n s conta i ned in the warn i n gs m ust be fo l l owed.
Dangerous voltages, capable of causing death, are present in this instrum ent. U se
extreme caution when hand l i ng, testing, and adjusti ng.
H EWLETT
PAC KA R D
SAFETY S U MMARY
W A R NING