TB 9-4931-702-50
If null detector indication is not within 1
(17) Operate sensitivity-switch.
microvolt of null, perform b(2) below.
(18) Open sensitivity switch.
(19) Set voltage divider to 1.019---0.
(The 3 blanks represent last 3 digits of
standard cell value.)
(20) Set TI supply No. 1 function switch to 1.019 ∆E.
(21) Operate sensitivity switch.
If null detector indication is not within 1
microvolt of null. perform b(3) below.
(22) Open sensitivity switch.
(23) Set voltage divider to 1.0199990.
(24) Set TI supply No. 1 ∆E control to 999.
(25) Operate sensitivity switch.
If null detector indication is not within 1
microvolt of null, perform b(4) below.
(26) Open sensitivity switch.
(27) Set voltage divider to .0009990.
(28) Set TI supply No. 1 function switch to ∆E.
If null detector indication is not within 1
(29) Operate sensitivity switch.
microvolt of null, perform b(5) below.
(30) Open sensitivity switch.
(31) Repeat technique of (1) through (30) above for supplies 2, 3, and 4.
(33) Set TI supply No. 1 function switch and ∆E control for output equal to
standard cell certified value.
(34) Operate the sensitivity switch. If null detector indication is not within 1
microvolt of null, perform b(6) below.
(35) Open sensitivity switch.
(36) Repeat technique of (33) through (35) above for supplies 2, 3, and 4.
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