Installation
and
Calibration
HP
11757B
P
o
w
er-Up
Conditions
A
t
p o
w
er-up,
the
F
ader
returns
to
the
same
settings
that
w
ere
presen
t
when
last
turned
o.
Preset
PRESET
is
used
to
set
the
F
ader
to
kno
wn
conditions.
Press
the
4
PRESET/LOCAL
5
k
ey
.
Press
4
ENTER
5.
When
a
fader
has
b een
PRESET,
the
display
will
sho
w
70
MHz
in
the
frequency
eld
(140
MHz
for
option
140),
0
dB
in
the
notc
h
depth
eld,
and
0
dB
in
the
attenuation
eld.
The
PRESET
conditions
are
sho
wn
in
the
following
table.
Preset
V
alues
P
arameter
Condition
A
GC
Bandwidth
30
MHz
A
GC
F
requency
70
MHz
(140
in
Opt.
140)
A
GC
ON/OFF
OFF
Alarm
P
olarity
P
ositive
A
TTENUA
TION
0.0
dB
D
A
T
A
POINTS
10
DELA
Y
6.3
ns
DEVIA
TION
61
MHz
DFM
TYPE
Bellcore
DISPLA
Y
ON
ERROR
BITS
1024
(
2^10
)
ERROR
TERM
ECL/75
F
ADE
EVENTS
OFF
MAX
SLEW(RADIO
SETUP)
200
dB/sec
MEAS
SETUP
PHASE
MIN
MK
SEAR
CH
OFF
NOTCH
FREQ
70
MHz
(140
MHz
in
Option
140)
NOTCH
DEPTH
0
dB
20
