TB 9-4931-290-50
(22) Set RANGE switch to 10 mV and OUTPUT VOLTAGE controls to TEN.000.
(24) Set RANGE switch to 1 mV and OUTPUT VOLTAGE controls to .TEN000.
11. Distortion and Frequency
a. Performance Check
(1) Connect audio analyzer to TI OUTPUT terminals.
(2) Position controls as listed in (a) through (c) below:
(a) MODE switch to 1 kc RMS.
(b) RANGE switch to 10 V.
(c)
OUTPUT VOLTAGE controls to TEN.000.
(3) Measure distortion. Distortion will be less than 0.2 percent.
(4) Set MODE switch to 0.4 kc RMS.
(5) Measure distortion. Distortion will be less than 0.2 percent.
(6) Measure frequency. Frequency will be between 388 and 412 Hz.
(7) Set MODE switch to 1 kc RMS. Measure frequency. Frequency will be between
970 and 1030 Hz.
b. Adjustments. No adjustments can be made.
12. Final Procedure
a. Deenergize and disconnect all equipment.
b. Annotate and affix DA label/form in accordance with TB 750-25.
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