Racal Instruments 1994 Service Manual page 134

Universaltimer/counters
Table of Contents

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4.10,2.8
Table
4.12
provides
the various
numerical
input
ranges
for
the
1994.
Table
4.12
-
Numerical
Input
Ranges
Function
Command
Code
Numerical
Limits
HaHHKMI
High
Resolution
SRS
3
10
Trigger
Level
(XI)
SLA, SLB
-5.1
+5.1
Trigger
Level
(X10)
SLA,
SLB
-51
+51
Math Constant
SMX, SMY,
SMZ
>1
x
10~
9
>-l x
1G
10
<1
x
10 10
5
-9
<-l
x 10
y
Delay/Gate
Time
SDT/SGT
>200
ps
<99.999
s
Non-Volatile
Memory
SM/RM
>0
<9
NOTE
1:
Entered numbers
will
be rounded up before storage
as follows:
a.
Trigger
level
XI
to
next multiple
of 20
mV
b.
Trigger
level
X10
to
next multiple
of
200
mV
c.
Delay
/gate
time
to
next multiple
of 25.6
jus
NOTE
2:
Resolution entries are
rounded
down
to
the
next
integer.
Refer
to
Table
3.12 for related
gate times
and
GPIB
resolution
numbers.
NOTE
3:
Math
constant
Z can be
set to
zero.
However,
an
error
message
will
result
if
the
Math
function
is
enabled with
this
value
set.
NOTE
4:
Non-Volatile
Memory commands
require a
single-digit suffix
ranging
from
0 to 9.
4-32

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