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INSTRUCTION
MANUAL
Digital Multimetw
Models
172A
173A
OPERATING INSTRUCTIONS
TABLE 3-10
MODEL 1722 RANGE & FUNCTION CODING FOR MODEL 172A
VAACR
AC VOLTS
/ 1 0 1
0
LOW R
000
I
HI R
001
0
RANGE
j
OUTPUT
RANGE
CODE (I)
~ R8R4R2Rl
300 mV
'0101
3.ov
:o
II
0
30
v
:o
I
I
I
300
v
IO
0
0
1200
v
'IO
0
I
300 mV
3:
::
300
v
1000
v
t
300 mA
2
A
L
300 mA
2
A
300
n
3 kR
30 kn
300 kn
3 MR
30 MC2
0
IO
I
0
I
I
0
0
Ill
IO
0
0
IO
0
I
0
IO
I
0
II0
0
I
0
1
0
I10
0
0
I
0
0011
0
IO
0
0
IO
1
0
1
I
0
0
III
0011
0
10
0
0
IO
1
0
I
1
0
0
Ill
3 kci
30 kil
300 kn
3 MR
30 Mn
300 MR
i
I
0
0
0
'1111
AUTORANGE
IO
IO
IO
0
I
;
I10 0
III 0
0
9
0
110
II
I
I
AUTORANGE
I
I
0 0
I
0
1
0
1
!3
110
0
0
;o
I
I
I
9
:o
1
IO
I
65
Ii;;;
AUTORANGE
1
I
I
I
AUTORANGE
2
10 1 0
0 I
0 1
/II;1
AUTORANGE
:
II0
0
4
IO
II
2
IO I 0
0 IO I
7
I
0
0
0
Ill1
III00
AUTORANGE
i
'IO
II
65
I IO 0
0 I
0 I
IO
0
0
0
Ill
-1
I
(I)
Coding
in
this
table
is defined
to be HIGH (POSITIVE)
TRUE.
"1"
= HIGH and "0"
=
LOW.
Refer
to output
and
remote
control
logic
levels
for
definitions
of
HIGH t LOW.
(2)
Function
code
for
Model
l72A
current
is
volts.
(3)
Note
that
except
for
AUTORANGE CODE, INPUT E. RANGE CODE is
the
compliment
of
the
OUT-
PUT RANGE CODE, i.e.
the
INPUT RANGE CODE is
the
LOW TRUE BCD code
of
(EXP).
3-23
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