Philips PM3055 Operation Manual page 22

60 mhz dual time base oscilloscope
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3-8E
:
Hl
7
LCD
:
sequence
SOFTKEY
REMARKS
et
'.
S
1
'
TRIG
of X
1
SOURCE
E
ae
TRIGGER
Selection for the main time-base TRIGGER
ti
SQURGE CHA
SOURCE, or X source for X Deflection.
Note: 1. EXT AC
or EXT
DC selectable by
ra
EXT AC/DC softkey (see key 30).
'
COMPOSITE
2. Composite not active when X DEFL
vik
a )
seees: soe
|
is selected.
-
!
j
|
1
ae
I
SOURCE
CH.8
;
43
I
1
t
r
|
a
GER
t
}
C ext) --| Ra
|
t
{
r
1
'
:
i
1
iH
Line
p - - 4 0 emgyimumer
1
ps
eee
maine 3
-
}
'|
fe
ri
Tri
|
lecti
f the i
ignal
af?
~
gene
ee
21,
rigger slope selection of the input signal
— -
ae
eri
24
via the main time base or selection for X DEFL
polarity.
:
Note: when TVF, TVL or X DEFL selected, the
.
an
TRIGGERS ON
LCD indication is + or — resp., for pos. or
fo
-
7
NEGATIVE SLOPE
neg. video,
\ 3
da
!
TRIG
:
|
COUPL
bow
PEAK -PEAK
Selection for the main time-base TRIGGER
dak
ae
COUPLING.
_
NORMAL
DC
TRIGGERCOUPLING
TRIGGERING
ON
TVF
TV-FIELD
PULSES
xe
TRIGGERING
ON
TVL
TV-LINE
PULSES

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