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Avtech AV-1010-C-BCT Instructions Manual page 9

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(9)
(10)
(11)
(12)
10
Hz
100
Hz
100
Hz
1
kHz
1
kHz
-
10
kHz
10
kHz
-
100
kHz
100
kHz
~
1.0
MHz
DELAY
Controis.
The
rotary
switch
selects
one
of
five
ranges
and
the
vernier
provides
continuously
variable
control
of
each
range.
The
instrument
is
set
to
the
delay
indicated
on
the
front
panel
when
the
vernier
is
in
the
"MAX"
position.
100
ns
-
1
ous
1
us
-
10
us
10
us
-
100
us
100
us
-
1
ms
1
ms
-
10ms
ADVANCE,
DELAY,
DOUBLE
PULSE.
With
this
three
position
switch
in
the
ADVANCE
position,
the
leading
edge
of
the
output
pulse
precedes
the
leading
edge
of
the
SYNC
output.
When
in
the
DELAY
position,
the
leading
edge
of
the
SYNC
output
precedes
the
leading
edge
of
the
main
output.
When
in
the
DOUBLE
PULSE
position,
the
main
output
provides
two
successive
output
pulses
having
a
separation
determined
by
the
DELAY
(9)
controls.
PULSE
WIDTH
Controls.
The
rotary
switch
selects
one
of
five
ranges
and
the
vernier'
provides
continuously
variable
control
of
each
range.
The
instrument'
is
set
to
the
pulse
width
indicated
on
the
front
panel
when
the
vernier
is
in
the
"MAX"
position.
50
ns
-
1
us
1
us
-
10
us
10
us
-
100
us
100
us
-
1
ms
1
ms
-
10ms
POLARITY
Switch.
If
the
polarity
switch
is
in
the
"+"
position,
the
main
output
pulse
will
pulse
upwards
(i.e.
to
a
more
positive'
level).
If
it
is
in
the
"-"
position,
the
output
will
pulse
downwards
to
a
more
negative
tlevel.
BCT
Option:
Provides
a
removable
L
bracket
which
attaches
to
the
front
panel
via
two
2-56
Phillips
screws.
_
bracket
engages
polarity
toggle
switch
to
prevent
accidental
polarity
reversal.

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