ii
2.3.2. Installation of Battery 2-21
2.3.3. Installation of Eyecup Or Eyeguard 2-23
2.3.4. Installation of Demist Shield 2-23
2.3.5. Installation of Sacrificial Window 2-24
2.3.6. Installation of LIF 2-24
2.3.7. Installation and Adjustment of Headmount 2-25
2.3.8. Installation of Headmount/Helmet
Mount Adapter 2-27
2.3.9. Installation of Helmet Mount to Helmet 2-27
2.3.10.Installation of Headmount with Protective Mask 2-29
2.3.11. Installation of Weapon Mount 2-30
2.3.12. Installation of Compass Caution 2-31
2.3.13. Installation of 3x Magnifier 2-33
2.4. Operating Procedures 2-34
2.4.1. Hand-Held Operation 2-34
2.4.2. Head Mounted Operation 2-34
2.4.3. Helmet Mounted Operation 2-36
2.4.4. Weapon Mounted Operation 2-38
2.4.5. IR Source Operations 2-39
2.4.6. Operation with Compass 2-39
2.4.7. Operation with 3x Magnifier 2-41
2.4.8. Operation with Gain Control 2-41
2.4.9. Preparation for Storage 2-42
2.5. Operation under Unusual Condition 2-43
2.5.1. Operation in Dusty or Sandy Areas 2-43
2.5.2. Operation in Rainy or Humid Conditions 2-43
2.5.3. Operation in Salt Water Areas 2-43
2.5.4. Operation in Nuclear, Biological and
Chemical (NBC) Environments 2-44
2.5.5. Operation in Laser Threat Environments 2-44
CHAPTER 3. MAINTENANCE INSTRUCTIONS 3-1
3.1. Lubrication Instructions 3-2
3.2. Troubleshooting Procedures 3-2
3.3. Operator ’s Maintenance Procedures 3-6
3.3.1. Cleaning the MUNVM 3-6
