Racal Instruments 1994 Service Manual page 66

Table
3.1
-
Front Panel
Controls, Indicators, and Connectors
(Cont<d)
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Reference
V
N
Item
Function/Description
DATA ENTRY
Keys/LEDs:
NOTE:
Designators
for shifted
key
functions are underlined.
Also,
designator "ISO"
is
not used
Phase difference
(Input
A
relative to
Input B)
NOTE:
Phase, Rise/Fall,
and
Pulse
Width
require
a
continuous
signal during measurement
Permits the 1994
to
measure
its
own
10
MHz
internal standard.
The
CHECK
function
can be expanded
using special
functions (See
Subsection
3.4.10)
Permit data entry and
user interface
with the 1994
other than
input signal
conditioning and measurement
functions
(15B)
(150)
(I5E)
(iSj) (15K) (15R)
3-10