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c.
R A T I O A / B (frequency r a t i o )
The R A T I O A / B mode is an operational
in which t h i s product measures both signals
* on channels A and B , and then compares the
C H A N N E L
B signals w i t h those on C H A N N E L
A ( A / B ) f o r
r a t i o calculation.
The display resolution can be selected w i t h
G A T E s w i t c h © . *
d.
T l / A - * B (time interval) mode
The T l / A -> B mode is an operational
in w h i c h t h i s counter product measures the
time interval between a selected edge of
C H A N N E L A signal and a selected edge of
the C H A N N E L B signal.
The edge can be selected f r o m
and negative-going edges of each signal w i t h
- S L O P E switches ©
d a t a is displayed in
display unit select s w i t c h © .
unit
is indicated by either measurement unit
display L E D ©
can be selected w i t h G A T E s w i t c h ® .
14
mode
mode
positive-going
and @ .
The measurement
^ s or ms selected by
T h a t display
or ® .
The display resolution
e. ' T O T A L / A (event input t o t a l count)
The T O T A L / A
mode
in which t h i s product measures the number of
channel A input cycles and then outputs each
count value to the display continuously.
T h i s cycle count and display operations can
be externally controlled w i t h the gate signal
input to the T O T A L I Z E S T A R T / S T O P
juck on the rear panel or H O L D s w i t c h © on
the f r o n t panel.
f.
C H E C K / 1 0 M H z
the
The C H E C K / 1 0 M H z mode is an operational
mode in which t h i s universal counter checks
internal functions. If this self-check mode is
selected, the frequency of the internal
base timer (10MHz) w i l l be displayed by the
8-digit 7-segment
©
G A T E
S w i t c h / G A T E L E D
The G A T E s w i t c h is provided to select a
desired display resolution value for the meas-
urement modes started by F U N C s w i t c h © •
T h i s does not apply to the event t o t a l count
mode
mode is an operational mode
mode
L E D s .
input
time
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