PROCEDUREv2.10
U P /R
            ***** GEN-1 MODULE ADJUSTMENT PROCEDURE *****/R/R
         Copyright (C) 1988, 1991, 1992 Audio Precision Inc./R/R/R/R/R/R
THE GEN-1 MODULE IS LOCATED IN THE UPPER LEFT COMPARTMENT./R
A PRECISION AC VOLTMETER (<0.1% AT 1 kHz) IS REQUIRED FOR CALIBRATION./R
/R/R/R/R/R/R/R/R
PRESS <Enter> TO CONTINUE, <F1> TO ABORT.../E
L T G100K/R
/F2 /R/R/R/R/R/R/R
ADJUST R3601 FOR 100.0 kHz, +\-0.3 kHz.../R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                          R3601--> O O/R
====]                                   O O/R
====]                    O                  O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
L T G10K/R
/F2 /R/R/R/R/R/R/R
ADJUST R3602 FOR 10.00 kHz, +\-0.03 kHz.../R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                                   O O <--R3602/R
====]                                   O O/R
====]                    O                  O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
L T G1K/R
/F2 /R/R/R/R/R/R/R
ADJUST R3603 FOR 1.000 kHz, +\-0.003 kHz.../R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                                   O O/R
====]                          R3603--> O O/R
====]                    O                  O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
L T G100/R
/F2 /R/R/R/R/R/R/R
ADJUST R3604 FOR 100.0 Hz, +\-0.3 Hz.../R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                                   O O/R
====]                                   O O <--R3604/R
====]                    O                  O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
L T GENBIAS/R
U D 1/R
/F4/E
P GF 2.1k/R
/F2 /R/R/R/R/R/R/R
ADJUST R1602 (BIAS COMP) FOR 0.00 dBr.../R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                             R1602--> O/R
  |/R
====]                                   O O/R
====]                                   O O/R
====]                    O                  O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
L T GENAMPL/R
U P /R/R/R/R/R/R/R
CONNECT A PRECISION AC VOLTMETER TO THE GENERATOR "A" OUTPUT./R
ADJUST R5001 (AMPL CAL) FOR 1 kHz OUTPUT OF 1.500 V, +\-0.005 V.../R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                                   O O/R
====]                                   O O/R
====]                    O                  O/R
====]/R
  |/R
  | O <--R5001/R
  ----------------------------------------------------------------/E
L T GENFLAT/R
U P /R/R/R
GENERATOR MODULES BUILT BEFORE 1990 CONTAIN A HF FLATNESS ADJUSTMENT./R
IF C4406 IS PRESENT, ADJUST 100 kHz OUTPUT FOR 1.500 V, +\-0.01V.../R
*** DO NOT ADJUST UNLESS AC VOLTMETER ERROR IS <0.5% AT 100 kHz. ***/R/R
IF C4406 IS NOT PRESENT, PROCEED TO THE NEXT STEP.../R/R/R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                                   O O/R
====]                                   O O/R
====]           C4406--> O                  O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
L T GENLFTHD/R
U D 3/R
/F2 /R/R/R/R/R/R/R
DISCONNECT AC VOLTMETER.  ADJUST R4601 FOR MINIMUM GENERATOR DISTORTION/R
AT 20 Hz AND MAXIMUM OUTPUT (MUST BE <0.0025%).../R/R
  ----------------------------------------------------------------/R
  |     GEN-1                                      O/R
  |/R
====]                                   O O/R
====]                                   O O/R
====]                    O         R4601--> O/R
====]/R
  |/R
  | O/R
  ----------------------------------------------------------------/E
/F1/E
U P /R/R/R
GEN-1 MODULE CALIBRATED./E
U END