- Notes, cautions, and warnings
- Working on your tablet
- Major components of your system
- Removing and installing components
- Recommended tools
- Screw list
- Batteries
- Subscriber Identification Module (SIM) card
- Stylus
- Display assembly
- Function keys
- Heat sink
- System fan
- Solid-state drive
- WLAN card
- WWAN card
- Microphone
- Front camera
- Coin-cell battery
- System board
- Rear Camera
- Micro serial port and power connector port
- Docking Board
- Smart card reader and wireless passthrough daughterboard
- Software
- System setup
- Troubleshooting
- Getting help and contacting Dell
Latitude 7220 Rugged Extreme Tablet Service Manual
Installation and operating instructions
An installation manual is provided with each unit to direct the user on proper installation and operation of the device.
NOTE Warning and Safety instructions are provided in English and French for Canadian Certification.
NOTE Suitable for use in class I, division 2, groups A, B, C and D hazardous locations, or nonhazardous locations only.
WARNING Explosion hazard - Do not disconnect equipment (rechargeable Lithium-ion battery) unless power has been switched off or the area is known to be non-hazardous.
WARNING Explosion hazard - Substitution of any component can impair suitability for class I, division 2.
NOTE Ambient temperature: - Range as under Ratings.
NOTE Temperature code - T4A
WARNING Explosion hazard - Do not use these external connections in a hazardous location: POGO ports, smart card reader, SIM-card slot, mini-RS232 port, USB 3.0 port, DC-in Jack, audio jack, mini-HDMI port, microSD-card reader, antenna pass-through port, or USB type-C port.
WARNING Explosion hazard - The tablet is to be only powered from the battery pack while in hazardous locations. The power adapter is not certified for use in hazardous locations and not to be used in hazardous locations.
WARNING Explosion hazard - The battery must only be changed or charged in an area free of ignitable concentrations.
WARNING Explosion hazard - Do not remove or replace the microSD-card and/or battery pack while the circuit is live unless the area is free of ignitible concentrations.
NOTE To avoid risk of fire or explosion, replace battery manufactured by Simplo Technology Co., Ltd. only. Use of any another battery can cause risk of fire or explosion.
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