Section
1-7M13
OPERATING INSTRUCTIONS
CONTROLS
All
co
n
tr
o
ls
and
connecton for
opera
t
ion
of
1he
7M13
Readout Unit
are
located
on 1he
front �nel
of
the
instrument.
These
are
illustrated in Fig.
1·2.
The controls and
their functional descriptions
are
listed
below.
OJ
WR ITE UPPER
Illuminated pushbutton switch for
selecting channel
1
(upper) display
poSition.
WR ITE LOWER
Illuminated
pushbutton switch for selecting channel
2
(lower) display
position.
OIaraC18r SWitches
Pushbutton switches 1hat provide character selection and generation for display on 1he CRT.
CAMERA
COUNTER
(P)RESET
Pushbutton
sw
i
t
ch
for resetting
and
p
re
se
tt
i
ng
the
camera counter.
Release
Latch
Releases
plug-in
lock
for
removal
of
instrumerlt
from
the mainframe.
CAMERA COUNTER PUSH ON
Illuminated
pushbutton
switch
for activating 1he camera counter.
CAMERA COUNTER ADVANCE
Pushbutton switch for
manually
advancing 1he camera counter.
CAMERA COUNTER SYNC
IN
Jack
f
o
r connecting the camera counter advance
to
a camera Ihutter for automatic operation.
SPACE
Pushbutton
sw
it
ch
that
provides spacing in the
readout
display.
MODIFY
Pushbutton switch 1hat allows changing the
last
entered
character wi1hout
erasing
the display.
ERASE
Pushbutton switch
for erasing 1he
display
from the
selected
channel.
1·1