7-56. What is the primary difference between the azimuth and elevation drive subsystems? 1. Manual override is only used for azimuth 2. A computer is not used for azimuth 3. Tachometer feedback is not used in elevation circuitry 4. Gimbal drive circuitry is different 7-57. In the FWD mode of operation, the receiver head is slewed to what elevation position? 1.  0° 2. -2° 3. -3° 4. -4° 7-58. What is the primary function of the control servomechanism BITE subsystem? 1. To maintain constant servo sync pulses 2. To automatically locate servo-system failures 3. To isolate component failures 4. To convert computer Inputs to gimbal bits 7-59. When a BITE initiate signal is started, each test sequence lasts what approximate length of time? 1. 10 to 12 seconds 2. 15 to 17 seconds 3. 20 to 22 seconds 4. 25 to 27 seconds 7-60. During the fault isolate test, the DCI fault isolate signal goes to mode logic and 7-61. During BITE 1 test, the receiver head is slewed to what position? 1. 0° azimuth and 0° elevation 2. 0° azimuth and 4° elevation 3. 0° azimuth and -4° elevation 4. 4° azimuth and -4° elevation 7-62. During BITE 2 test, the receiver head is slewed to what position? 1. 60° azimuth and -130° elevation 2. 60° azimuth and 130° elevation 3. 130° azimuth and -60° elevation 4. 130° azimuth and 60° elevation 7-63. The TTSC is used in what mode of operation? 1. Computer 2. Azimuth 3. Elevation 4. Manual 7-64. Adjusting the thumb control on the TTSC produces voltage outputs from which of the following transducer? 1. Rate and climb angle 2. Climb and azimuth angle 3. Elevation and rate angle 4. Elevation and azimuth angle 1. coder storage module 2. decoder storage module 3. clock module 4. memory module 50