Racal Instruments 1994 Service Manual page 61

Universaltimer/counters
Table of Contents

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Table
3.1
- Front Panel Controls,
Indicators,
and Connectors
(Cont'd)
Reference
Item
Function/Description
CONTINUE
Returns
the
counter
to
the
measurement
mode,
triggers
a
new measurement
cycle.,
after the display of a recalled
number
or
constant
LOCAL
Returns
the counter
to
front-panel
control
from remote
control on the
GPIB,
providing
local
lock-out has not
been
set
HOLD
Key/LED
Measurement
Display
Toggles counter
into
and
out of
HOLD
(single-shot
measurement).
LED
lights in
HOLD.
In
HOLD,
the
measurement
in
progress
is
completed and
displayed.
See
NOTE
under Reference
(4).
Special
Function
61
causes the
HOLD
key
to
successively
start
and stop measure-
ments
for
manual
Totalize
A
7-segment
LED
digital display.
Uses
engineering
format with
9-digit
mantissa,
1-digit
exponent, and
floating
decimal
point.
The
display
shows one
of
the following
depending on
operational
state;
measurement
results
numbers
for
data entry
numbers
for
recall
from
constant or
function
stores,
including
trigger
levels
and peak values
error
messages
NOTE:
The exponent
LED
is
blanked and
should
be considered
zero during the following:
a.
phase
measurement
b.
totalize
measurement
with
less
than
nine
digits
c.
numeric
entries
not involving an
exponent

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