15 MAY 10   1145 hrs.
                                                 UNIT ARMORER COURSE
                                                    HOMEWORK SHEET
                      ANPVS7B NIGHT VISION DEVICE              

PURPOSE: This homework sheet is provided for *your* notes to place in your binder after grading. Its primary purpose is to get you familiar with the Field and Technical Manuals to learn where the information is stored for retrieval when you need it. This is mandatory to execute. A signed document with requirements that you have accomplished your homework will be turned in to the Class Leader on the next day of class.              

THIS HOMEWORK ASSIGNMENT IS A MANDATORY REQUIREMENT FOR SUCCESSFUL COMPLETION OF THIS COURSE AND ARE INCORPORATED IN THE  TRAINING PROGRAM OF INSTRUCTION FOR ADMINISTERING TO UAC STUDENTS. FAILURE TO ACCOMPLISH THIS REQUIREMENT MAY BE CAUSE FOR COURSE FAILURE

INSTRUCTIONS: Select your answer and block in the answer sheet over the letter of your choice very dark..                                                     

NVD NOMENCLATURE: ANPVS/7B N.S.N____________________________

1 What is the proper way to clean the optics of the AN PVS 7B?
A. Use Alcohol and a lint free cloth.   B. Use CLP and a lint free cloth
C. Clean in a circular motion inside to outside. D. No cleaning is necessary

2. What are sacrificial lenses used for?
A. They sacrifice sunlight.  B. They sacrifice the objective lens.
C. They sacrifice themselves not the lens. They prevent loss of dual imaging.  

3.  Can the organizational Repair Person order a neck cord/strap?
A.  No not authorized.  B. Neck straps are not used
C. Yes they can.   D.  None of the above

4. What types of Battery can be used in the ANPVS7B?
A. 1 Alkaline 6 volt.  B. 1 Alkaline 5 volt
C. 1 Lithium 3 volt D. 1 Lithium 1.5 volt

5. What are demist shields used for?
A. To demist the eye lens. B. To demist the batteries.
C. To prevent fogging.  To demist/dry the electronics.

6. Can the organizational Repair Person order demist shields?
A.  No not authorized.  B. they are not used
C. Yes they can.   D.  None of the above?

7. What is the probable cause of poor image quality?
A. Electronics are shorted.  B. Wiring harness is broken.
C. Out of Focus.   Objective lens too clean.

8. During PMCS, what must the optical surfaces be inspected for?
A.  Smudges  B. Brush hairs  C. Cracks  D.  Oil on its surfaces 

9. When cleaning the demist shields you should us lens paper dampened with water.
A. This must be done at direct support. B. True  C. False  D. A&B only

10. What feature shows the battery polarity indicator of battery orientation for the device?
A. Inside battery compartment. B. In the -23&P Manual
C. Molded on the 7b body. D. A & B only

11. What is the first step in operator PMCS?
A. Check the diopter readings. B. Perform a service on the o ring
C. Open carrying case  D. Lube the diopter rings.

12.  Chips and cracks are not permitted on the eyecup retaining rings.
A. This is a Direct Support Check. B. True   C. False

13. What item is the only item on the AN/PVS-7B goggles authorized for lubrication?
A. The objective lens ring. B. The neck cord. C. The battery O ring.
D.  No lube is authorized on the AN/PVS 7B.

14. What is another name for Video Noise?
A. Cathoding  B. Videoism  C. Scintillation  D. Shading

15.  What item secures the power switch to the ANPVS7B?
A. Two lock pins B. The pawl pin  C. One Lock Pin. D An O Clamp