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TB 9-6625-2049-35
19
Table 5. Dc Offset - Continued
Test instrument
DC OFFSET
Multimeter indications
(V dc)
settings Min Max
14.99 mV 0.01493 0.01505
-14.99 mV -0.01505 -0.01493
4.999 mV 0.004979 0.005019
-4.999 mV -0.005019 -0.004979
1.499 mV 0.001479 0.001519
-1.499 mV -0.001519 -0.001479
NOTE
Perform (8) through (11) below for option 002 only.
(8) Remove 50Ω feedthrough termination from equipment setup.
(9) Press SIGNAL key on.
(10) Enter 20 VOLT using DATA keys. Multimeter will indicate between 19.775
and 20.225 V dc.
(11) Enter -20 VOLT using DATA keys. Multimeter will indicate between -19.775
and -20.225 V dc.
b. Adjustments. No adjustments can be made.
18. Dc Offset with Ac
a. Performance Check
(1) Connect SIGNAL to multimeter INPUT HI and LO using 50Ω feedthrough
termination.
(2) Press keys and enter values using DATA keys as listed in (a) through (i) below:
(a) SIGNAL off (option 002 not lit).
(b) FUNCTION sine wave.
(c) ENTRY FREQ.
(d) 20.999 999 999 MHz.
(e) ENTRY AMPTD.
(f) 1 VOLT.
(g) ENTRY DC OFFSET.
(h) 4.5 VOLT.
(i) AMPTD CAL.
(3) Multimeter will indicate between 4.35 and 4.65 V dc.