PROCEDUREv2.10
L T DISCAL1/R
P ZW/R/E
U P /R/R/R
CONNECT A DC VOLTMETER BETWEEN TP3505 AND CHASSIS GROUND./R
ADJUST R3504 FOR 0.0 mV, +\-0.5 mV.../R/R/R/R/R/R/R
  ----------------------------------------------------------------/R
  |                      R3504--> O O/R
  |                     TP3505--> +/R
====]                             O O/R
====]/R
====]                             O O/R
====]/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
L T DISCAL1/R
P ZW/R/E
U D 1/R
/F2 /R/R/R/R/R/R/R
PRESET R4505 (LVL OFFSET) FOR 50 mV, +\-2 mV.../R/R/R
  ----------------------------------------------------------------/R
  |                               O O/R
  |/R
====]                    R4505--> O O/R
====]/R
====]                             O O/R
====]/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
L T DISCAL2/R
/F2 /R/R/R/R/R/R/R
CONNECT A PRECISION AC VOLTMETER TO THE GENERATOR "A" OUTPUT./R
ADJUST R4506 (LVL CAL) TO MATCH BARGRAPH AND VOLTMETER READINGS.../R/R
  ----------------------------------------------------------------/R
  |                               O O/R
  |/R
====]                             O O <--R4506/R
====]/R
====]                             O O/R
====]/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
L T DISCAL1/R
P ZW/R/E
U D 1/R
/F2 /R/R/R/R/R/R/R
ADJUST R4505 (LVL OFFSET) FOR 50 mV, +\-0.5 mV.../R/R/R
  ----------------------------------------------------------------/R
  |                               O O/R
  |/R
====]                    R4505--> O O/R
====]/R
====]                             O O/R
====]/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
L T DISCAL2/R
/F2 /R/R/R/R/R/R/R
ADJUST R4506 TO MATCH BARGRAPH AND VOLTMETER READINGS.../R/R/R
  ----------------------------------------------------------------/R
  |                               O O/R
  |/R
====]                             O O <--R4506/R
====]/R
====]                             O O/R
====]/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
L T DISNULL/R
U P /R/R/R
DISCONNECT THE AC VOLTMETER FROM THE GENERATOR OUTPUT./R/R
CONNECT AN OSCILLOSCOPE TO TP4502 AND CHASSIS GROUND./R
ADJUST R5504 AND R5505 FOR BEST 1 kHz NULL.../R/R/R/R
  ----------------------------------------------------------------/R
  |                               O O/R
  |/R
====]                             O O/R
====]                   TP4502--> +++/R
====]                    R5504--> O O <--R5505/R
====]/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
L T DISCOMP/R
U P /R/R/R
CONNECT A DC VOLTMETER BETWEEN TP4503 AND GROUND./R
ADJUST C3501 (HF COMP) FOR +1.5 V, +\-1.0 V.../R
/R/R/R/R/R/R
  ----------------------------------------------------------------/R
  |                               O O <--C3501/R
  |/R
====]                             O O/R
====]                             +++/R
====]                              ^/R
====]       (center test point) TP4503/R
  |/R
  |     DIS-2/R
  ----------------------------------------------------------------/E
/F1/E
U P/R/R/R
DIS-2 MODULE CALIBRATED./E
R EXIT
U END