Mode
l 5526A
Interconnections,
Turn-On
5·2
WARNING (Conlinued)
ONLY
FUSES
WITH
THE
REQUIRED
RATING
AND
OF
THE
SPECIFIED
TYPE
SHOULD
BE
USED
. DO
NOT
USE
A
REPAIRED
FUSE
OR A
SHORT
-
CIRCUITED
FUSEHOlDER;
DOING SO
COULD
CAUSE
A SHOCk OR
FIRE
HAZARD
.
WARNING
LASER
RADIATION
IS
EMlnW
FROM
THE
APERTURE
ON
THE
SS18A
LASER
HEAD
.
00
NOT
STARE
INTO
THE
BEAM
.
THIS
PRODUCT
IS
A
CLASS
II
LASER
PRODUCT CONFORMING
TO
FEDERAL
BUREAU
OF
RADIOLOGICAL
HEALTH
REGULATIONS
11
CFR
1040.10
AND
1040.11,
ANO
TO
INTERNATIONAL
LASER
SAFID
REGULATIONS
.
THE
MAXIMUM
OUTPUT
IS
1
Milli
-
WATT,
THE
PULSE
SPECIFICATION
IS
CONTINUOUS
WAVE.
THE
LASER
MEDIUM
IS
HELIUM
NEON
,
THE
WAVELENGTH
IS
631.
991
NM
.
CONNECTING
THE
LASER
HEAD
TO
THE
MEASUREMENT
DISPLAY
After
you have
mounlcd
the
laser
Head
on
the Tripod (
as
described in $cction IV),
or
some other
support, and have placed
Ihe
Measurement
Displ
ay
unit in the general
lIidnity
where
it
will
be
during
measure
ment
s (
wilhin
5 metres (16 feCI )
of
the laser Head), you can connect these
two
unit
s u
si
ng
the
HP
10793A/ B/ C laser Head Cable
included
with
the Measurement Display.
The
cable's connectors are Idenlical. You
ca
n connect either one
of
them 10 the mating connect
or
on t
he
rcar
of
the laser Head, and the
other
one 10 the
ma
tins connector
on
Ihe rear
of
the
Measurement
Display unit
(see
Figure
5-1
).
The connectors
on
this cable. and
Iheir
mating connectors
on
the Measurement Di
sp
l
ay
unit and
the laser
I-lead, are "
keyed"
so
they will go together in only one
way.
The connectors normally
are
qui
te
easy
to connect, and should not be forced. You'll see
th<tl
the plastic
"boot"
on each cable
connector
has
a mark molded
inlo
ilth31 will be "
up
" when the connections are correctly made.
The cable's co nnectors include a locking ring
10
lock the cable to the
mOIling
connector on the
unit. When you halle connected the cable 10
its
mating connector, turn the locking ring about 113
turn clockwise to lock the
two
connectors together; Ihis will keep the cable from accidentally
comi
ng loose. You
will
feel the locking action
as
you turn the locking ring.
CAUTION
To
pr
eve
nl
p
ossi
ble d
Jl
m
Jl8e
10 the M
eilS
u
re
me
nl
Di
s
plJl
y
unit
, be s
ur
e
yo
u
lurn
the
lin
e power o
ff
before conne
ct
ing or
di
sco
nn
ect
ing
Jl
ny u
bl
e
li
t
jtl
re~
r
plln
et
CAUTION
Be s
ur
e
10
un
Joe
"
c.Jble
connectors bef
ore
you t
ry
to
lep
oJr
.J
te
.J
u
bl
e
from
i
ts
m
.J
ling
c
onn
ector, Fa
ilur
e to
do
so
ca
n n u
se
you
to s
tr
.J
in
the
ca
bl
e, d
.J
m
.Jgl
ng
II
interna
ll
y;
it
ca
n
...
1
50
c
aus
e you
to
da
m
<l
gc the co
nn
« tors.
Series
2704A
Jan 81
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