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Summary of Contents for Collins 980N-1

Page 1: ...15 May 1978 Rockwell International instruction book Collins 980N 1 Altimeter Test Set Collins Air Transport Division Avion cs and Missiles Group Rockwell International Cedar Rapids Iowa 52406 Printed...

Page 2: ...y fabricated test adapter is recommended to perform test procedures on the 980N 1 See table 7 1 and figures 7 21 through 7 23 for details 1 5 EQUIPMENT SPECIFICATIONS Table 1 2 lists the specification...

Page 3: ...eater 10 CPN 522 4610 001 Continuous up to 1 hr maximum limitation due to increased power requirements on 860F 1 power supply CPN 522 4610 003 Continuous up to 30 min maximum limitation due to increas...

Page 4: ...g the AL I0l system plus a means of checking the vswr of both the reteive and transmit antenna cables A built in self Revised 15 May 1978 section 2 installation For 339H l testing connect the unit to...

Page 5: ...39H 2 DH trip output terminals An internal ground is provided in 980N l SELF TEST to light the lamp For all other tests except VSWR the MDA lamp indication is dependent on the 339H l MDA or 339H 2 DH...

Page 6: ...as digital Refer to note 7 b readouts AIDIALT SELECT Flag out of view VARIABLE ALTITUDE STANDARD 600 MDA lamp refer to ALTITUDE control zero note 3 meter and refer to note 1 For 339H 2 Digital readout...

Page 7: ...ital readout indicates trip no 2 ALTITUDE control adjust operating point ALTITUDE STANDARD adjust to zero meter ALTITUDE TRIP SELECT 5 Digital readout indicates trip no 5 ALTITUDE control adjust opera...

Page 8: ...LECT VSWR Refer to introduction antenna cable step 11 RCVR SET XMTR RCVR hold Flex cable slightly Meter pointer indication should not change VSWR test transmit TEST SELECT VSWR Refer to introduction a...

Page 9: ...he voltage at the wiper is applied directly 1 0 one side of the meter circuit The altitude output voltage from the 860F 1 either aux iliary or autopilot depending on the TEST SELECT switch position is...

Page 10: ...May 1978 section 4 principles of operation VARIABLE position and the MODE switch SB 41 and CPN 522 4610 003 is set to the MAN position 4 1 8 TRIP SELECT Switch and TRIP Lamp 4 1 8 1 980N 1 C PN 522 4...

Page 11: ...the receive antenna cable vswr is then reflected back through the receive circulator and into the receiver circuits Revised 15 May 1978 section 4 principles of operation The introduction to the vswr...

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