8.6.1 Turning Peak Picker On and Off ...................................................................................................... 141
8.6.2 External Switch for Remote Peak Picker Operation ......................................................................... 142
8.6.3 Peak Picker Signal Conditioning ...................................................................................................... 143
8.6.4 Peak Picker Reset .............................................................................................................................. 143
8.6.5 Peak Picker Decay Rate .................................................................................................................... 143
8.6.6 Auto Peak Picker Reset with Reset Below ........................................................................................ 143
8.6.7 Peak Picker Delay ............................................................................................................................. 144
8.7 Track and Hold ......................................................................................................................................... 145
8.7.1 External Switch Control of Track and Hold ..................................................................................... 145
8.8 Avoiding Common Measurement Problems ............................................................................................. 146
8.8.1 Viewing Angle Limitations ............................................................................................................... 146
8.8.2 Background Interference ................................................................................................................... 146
8.8.3 Transmission Effects ......................................................................................................................... 147
8.8.4 Transmission Path Effects ................................................................................................................ 148
8.8.5 Reflectance Effects ............................................................................................................................. 148
8.9 Use of Mirrors .......................................................................................................................................... 149
8.10 Use of Windows ..................................................................................................................................... 150
8.10.1 Special Considerations for Ratio Units ........................................................................................... 151
8.11 Preventing Sensor Overheating .............................................................................................................. 152
9 NOTICES ....................................................................................................................................................... 154