Adjustment Procedures
Video
Triggering Checks and
Adjusbnents
(Option
05
only)
2212 Service Manual
Video Triggering Checks
and
Adjustment procedures
check
and
adjust
those characteristics
that
relate to the
video
trigger system. Use
the
test
equipment
as shown at
the
start of
the
procedure
list. Changes to
the
test
set-up will
be
indicated
in
the
procedures,
if
necessary.
Equipment Required (See Table 5-1):
Video Generator (Item
6)
50 n BNC Coaxial Cable (Item
7)
50 n BNC Termination (Item 11)
Parameters used
in
this section are based on NTSC
and
PAL systems, being
the
worlds most widely
used
systems.
Notation used: 525 (NTSC) I 625 (PAL).
Option 5 however, will work on a variety of
standard
and
non-standard
video systems.
Initial Control Settings
Vertical
POSITION (
CH
1 and
CH
2)
......... Midrange
MODE .............................................
CH2
CH
2 VOLTS/DIV .......................... 0.2 V
V ARiable ........................................ Off
AC-GND-DC ...................................
DC
Horizontal
POSITION ...................................... Midrange
MODE ALT MAGN ........................ Off
SEC/DIV ......................................... 5 ms
V ARiable ........................................ Off
X1,X10,X50 Magnifier ...................
X1
Trigger
HOLDOFF .......................................
MIN
LEVEL
............................................. Midrange
SLOPE ............................................. Positive Going (Field 1)
MODE
............................................. TV Field
SOURCE
.........................................
CH
2
Storage
STORE
ON ...................................... Off
Revised 3/93
5-
23