1、 MIL-T-81978 (AS) Amendment 2 1 December 1976 SUPERSEDING Amendment 1 9 July 1975 MILITARY BPECIFICATION TEST SET, MISSION RECORDER AX/US&387 This amendment forms a part of Military Specification MIL-T-81978(AS), 6 August 1974, and has been approved by the Naval Air Systems Command, .Departnent of
2、the Navy. .- Page 1 *Title, Line 2: *l. 2, Line 6: Delete “OQ-184/USM-387“ and substitute “OQ-184A/USM-387“. 1.2, Line 7: Delete ?1T-4628/USM-387“ and substitute MT-4628A/USH-387“. Delete “AN/USM-387“ and substitute “AN/USX-387Bff. Page 3 Following MIL-STD-794 entry: Add “MS3102 Connector, Receptacl
3、e, Electric, Box Mounting, Solder Contacts, AN Type“. Page 5 3.3.1 Line 3: Delete “460“ and substitute “472“. Page 6 3.3.7.2 following 2A337 entry: Add “3A2PlXS3106F-20-4P Il5 VAC, 400 Hz Power input“. 3.3.7.2 last entry: Delete “W8PLYS3106F-20-4P 115 VAC, 400 Ez Power Input l. Provided by IHSNot fo
4、r ResaleNo reproduction or networking permitted without license from IHS-,-,-Amendment 2 to MIL-T-81978 (AS) 1 December 1976 Page 17 *3.6.2.1: typical Horizontal Sweep input signal is as shown by Waveform A, Figure 6 or 7, depending upon recorded scan. plus or minus 1.3 volts.“ Delete entirely and s
5、ubstitute “Horizontal Sweep input - The The signal voltage shall not exceed rk3.6.2.2: Vertical Sweep input signal is as shown in Waveform B, Figure 6 or 7, depending upon recorded scan. volts. Delete entirely and substitute “Vertical Sweep input - The typical The signal voltage shall not exceed plu
6、s or minus 1.3 Page 21 3.6.4.1 Line 2: Delete “7MlllP14X,“ and substitute “7MlllP14M* (or an approved equivalent), l. Bottom Left of Page: Add “*Thomas Electronics, Inc. Part Humber“ Page 24 *3.7.2, Line 1: *3.7.2(1) : *3.7.2 (3) : *3.7.2.1, Line 1: Delete “OQ-184/USM-387“ and substitute “OQ-184A/US
7、bl-38/“ Delete 111P-1172/USM-387“ and substitute “IP-1172A/USM-387“ Delete “SG-1062/USM-387“ and substitute “SG-1062A/USM-387“ Delete “IP-1172/USM-387“ and substitute “IP-1172A/USM-387“ Page 25 *Delete Figure 9 and replace with modified Figure 9 contained herein. Page 28 “3.7.2.3, Line 1: Delete “SG
8、1062/USM-387“ and substitute “SG-1062A/US-387“ Page 2 of 4 pages Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-51975 (2) 55 m 9777906 017253LI 2 m . . . . . . . . . . . . Anendment 2 to 1 December 1976 MIL-T-81978 (AS) z ICO I I l I I I I I
9、 I I I I n u Page 3 of 4 pages Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T-8L778 (2) 58 W 7777706 0372535 Li r L Amendment 2 to MIL-T-81978 (AS) 1 December 1976 Page 30 3.7.2.3.6, Line I, Delete “Electrical connections-“ and substitute “El
10、ectrical Connections-“. Page 32 3.7.3, Line 1: Delete “MT-4628/USM-387“ and substitute “MT-4628A/USM-387“. 3.7.3.1, Line 3: Add “The Test Stand shall also house the Transformer Assembly (3A2), which isolates the 400 Hz power source ground from the 60 Hz power source ground.“ 3.7.3.2, Line 2: Delete
11、27“ and substitute “39“. “The margins of this amendment are marked with an asterisk to indicate where changes (additions, modifications, corrections, deletions) from the previous amendment were made. This was done as a convenience only and the Government assumes no liability whatsoever for any inac
12、curacies in those notatfons. Bidders and contractors are cautioned to evaluate the requirements of this Cocument based on the entire content irrespective of the marginal notations and relationship to the last previous. amendment. I Cus todians : Navy - AS *US. GOVERNMENT PRINTING OFFICE: 1977-703020/4071 Page 4 of 4 pages -_ Preparing Activity: Navy - AS Project No. 5841-NO38 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
