Marconi Instruments 2040 - Page 128

HARDWARE
EVENT REGISTERS
This is a device dependant Register
and the bits have meanings as shown
in the list at the
bottom of the page.
d
d
2
d d{
.
. .
d
3
d
2
d, d
0
d
3
d
2
d, d
0
"
llr-L
—
— &
&
6
3
e
2
e, e
o
<hsb>
# Positive transition
sets status.
C0068
d
0
reverse power protection tripped
d
1
fractional-n system
out-
of-lock
d
2
vcxo out-of-lock
d
3
frequency
standard missing
d
4
external mod
1 ale
loop
signal too low
d
5
external
mod 1 ale loop signal too high
d
6
external
mod 2 ale loop signal too low
d
7
external mod 2 ale loop signal
too
high
<hsb> hardware event register summary bit
d
8
harmonic loop
signal to low
d
9
harmonic
loop signal too high
d
10
harmonic loop out-of-lock
d„ output
loop
signal too low
d
12
output
loop
signal too high
d
13
output loop out-of-lock
d
14
not used
d
15
not
used
3-2-44
46882-074C