HP 3457A Service Manual page 3

Hide thumbs Also See for 3457A:
Table of Contents

Advertisement

HEWLETT
PACKARD
SAFETY SUMMARY
The following general safety precautions must be observed during all phases of operation, service, and repair of this instrument.
Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design,
manufacture, and intended use of the instrument. Hewlett-Packard Company assumes no liability for the customer's failure
to comply with these requirements.
GROUND THE INSTRUMENT
T o minimize shock hazard, t h e i n s t r u m e n t chassis and cabinet m u s t be c o n n e c t e d t o an e l e c t r ~ c a l g r o u n d
D O NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE
D o n o t operate t h e I n s t r u m e n t In t h e presence o f f l a m m a b l e gases or f u m e s Operation o f any
electrical
I n s t r u m e n t In s u c h a n e n v l r o n m e n t
constitutes
a deflnlte s a f e t y hazard.
KEEP AWAY FROM LIVE CIRCUITS
Operating personnel m u s t n o t remove Instrument covers. C o m p o n e n t replacement a n d lnternal adjustments
m u s t b e m a d e b y quallfled m a i n t e n a n c e personnel Under certaln condltlons, dangerous voltages m a y ex
1st even w l t h t h e lnstrurnent s w l t c h e d o f f . T o avold
Injuries,
a l w a y s
disconnect
Input voltages a n d discharge
clrcults before t o u c h l n g t h e m .
DO NOT SERVICE OR ADJUST ALONE
D o n o t a t t e m p t Internal service o r a d j u s t m e n t unless another person, capable o f rendering flrst a ~ d a n d
resuscltatlon,
IS
present.
D O NOT SUBSTITUTE PARTS OR MODIFY INSTRUMENT
Because o f t h e danger o f lntroduclng addltlonal hazards, d o n o t Install s u b s t l t u t e parts or p e r f o r m any
unauthorized
m o d l f l c a t l o n t o t h e I n s t r u m e n t Return t h e lnstrurnent t o a H e w l e t t - P a c k a r d Sales a n d Ser-
vice O f f l c e for servlce a n d repalr t o ensure t h a t s a f e t y features are malntalned
D O NOT OPERATE A DAMAGED INSTRUMENT
W h e n e v e r ~t 1 s posslble t h a t t h e s a f e t y p r o t e c t i o n features bullt I n t o t h l s I n s t r u m e n t have been lmpalred,
elther t h r o u g h physlcal damage, excessive moisture, o r any other reason, REMOVE POWER a n d d o n o t
use t h e I n s t r u m e n t u n t l l safe operation c a n b e verlfled b y s e r v l c e - t r a ~ n e d personnel If necessary, r e t u r n
t h e I n s t r u m e n t t o a H e w l e t t - P a c k a r d Sales a n d Servlce O f f l c e f o r servlce a n d repalr t o ensure t h a t s a f e t y
features are malntalned.

Hide quick links:

Advertisement

Chapters

Table of Contents
loading

Table of Contents