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Model 4277A
SECTION III
COMPARATOR LIMIT SETTING
1. Press the ENABLE key (T). The LED lamp
at the center of the key should come on.
2. Press
the
ERASE
button
(2) to
erase
previously stored limits.
One (1) will be
displayed on the FREQUENCY/DC BIAS
display.
[L/C/ I Z i
Limit Entry]
3. Press the L/C/ ! Z | key (3).
4. Press the LIMIT LOW key
5. Key in the desired LOW limit using the
DATA keys (5). The LOW limit value will
be displayed on DISPLAY A.
6. Press the ENTER key
The LOW limit
will
be
stored
for
bin
1.
Also,
the
maximum
allowable
value
that
can be
entered for the HIGH limit on the present
LC! Z [
RANGE
will
be
displayed
on
DISPLAY B.
Note
8. Key in the desired HIGH limit using the
DATA keys (5). The HIGH limit value will
be displayed on DISPLAY B.
9. Press the ENTER key ©. The HIGH limit
will be stored for bin 1.
10. Press the BIN NO UP key
Two (2) will
be displayed on the FREQUENCY/DC BIAS
display.
11. Repeat steps 4 through 9 to enter the LOW
and HIGH limits for bin 2.
12. Repeat steps 10 and 11 for bins 3 through 9.
D/Q/ESR/G Limit Entry]
13. Press the D/Q/ESR/G key ®.
Note
When
D/Q/ESR/G
limits
are
being
entered, no bin number is displayed on
the FREQUENCY/DC BIAS display.
14. Press the LIMIT LOW key ®.
If the LOW or HIGH limit is higher than
the full scale value of the existing
15. Key in the desired LOW limit using the
LC i Z I
RANGE, E18 will be briefly
DATA keys ®. The LOW limit value will
displayed
on
DISPLAY
A
when
the
be displayed on DISPLAY A.
ENTER key is pressed.
Re-enter the
limits correctly.
7. Press the LIMIT HIGH key
Figure 3-34. Option 002 Comparator (Sheet 3 of 7).
3-79
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