VG>
1
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1
y
s opera
)
Pressing ke wi
ri th instrum t t
ne
. flo c rt t in ru
nt c
mand structure is
shown in gu 3-5. Th
u> ey rv
E
A E y t ca el e c
e operat
ny point and return
to the m sur
ent screen.
To chan
e
e he row ey o p
r. Press t e < nt
key and then use
the up/down arrow eys to scroll through th
ram
hen
e entered, use the left/right arrow keys
to position th cursor u er e n
ber tha
be
the
rro ke s to ncrement/decrement
the num
Holdi
h
o
e
l in
pi
o m t th ugh the selection.
Within a sub
u
e
i
r re
aye
hen the urrent screen has
addition
a n that can b obt
ed by scrol
itio are possible:
1.
Use the up ar w k y to cro
scr
al infor ati n.
2.
∨ Use the wn rro
f mat n.
3.
∧ ∨ Use the up/down a
additional information.
Additonal freat res introduced in the 4240 are the ‘s
le key ess op ation’ f r th
o/ al> n
REF Level> keys.
See secti
3. .5 a d 3 6 r f her det ils. Also th arr
s nd
e key have sp ial functions while
measure
nt
d
Arrow keys group
el
io
A v
h n
e
a
l
e ur
ent uni m b
c mplished by use of
the arrow ey
h
n
s
m e
o
a
Up Arro ke
es the Active Cha ne
u on e splay. For e
e if the activ ch nel is set to 2, pressing
the ke will cau e ch nne 1 t be e activ ch
e
Down Arrow ey
es the Active Chann
r
lay. Fo ex
p if e activ channel is set to 1,
pressing e < ow
w> ey ll c us
e
annel.
Left Ar
w key. Pressi
this key sets the
ve Ch
ent units (Watts, %).
Right Arrow key
ress g t
k
Ac ve Chan
L
su
ent u ts Bm B .
Enter key. When in the measurem
uses the instrument to drop down
into the CHANNELS menu using the Active Channel as a pointer to the associated channels menu. This provides faster
settings of channel parameters such as units, resolution, duty cycle, offset, range, alarm setting and limits.
ve
(
1
single ke pres
tion
a y ll b ng
e
en o the xt submenu A w ha of he
st me ’s om
fi re
e se es as an SC P ke o nc th
urr nt
ion from a
ea
em
ge a valu , us t
ar
k s t
osition the cursor to the desired paramete
h
E er>
k
e pa
t is to
eter list. W
changed,
a number is to b
n use the up/down
y
e
nd th
um
a
w
i
ber.
ng t e up/down arr w k y wil
itiate repeat mode to allow ra d m ve en
ro
men , th
∧ ∨ ind cato s a displ
d in the upper right potion of the display w
c
al inform tio
e
ain
ling with the up/down arrow keys. Three cond
ns
∧
ro
a
e
s
ll the
een upwa d for additio
r
n
m o
or
do
w key to scroll the screen downward for additional in
rrown keys to scoll the screen upward/downward for
io
u
3
ing
e
pr
er
a
o
e e
C
a d <
ec
on
n
.3. fo urt
a
ow key
th
me s are displaye .
. S ect
the
n of the cti e C an el and th ch nne ’s m as em
ts ay e a co
k s w ile i
mea urement od of per tion.
w
y. Mov
n
l
l cursor
o
p th
e
di
ann
xampl
e
an
y
s
a
th
l.
k
D
. Mov
n Arro
el cu sor down on the disp
l 2 to be the active ch
r am le
th
e
th
k
wi
a e chann
ro
ng
Acti
annel to Linear measurem
. P
in his ey sets the
ti
nel to og mea rem
ni (d
, d r)
ent mode of operation pressing the key ca
Getting Started
3-6
