190-02087-10 GDL 50(R)/51(R)/52(R) Installation ManualRev. 2 Page 2-32.3.3 Additional Equipment Required• Cables: The installer will fabricate and supply all system cables. Interconnect wiring diagrams aredetailed in Appendix B.• For GDL 5X mounting bracket hardware (not provided): #8-32 100° flat head screw (4 ea.) and#8-32 self-locking nut (4 ea.).• For GDL 5XR hardware (not provided): (6 ea) #6-32 screw and (6 ea) #6-32 self-locking nut forinstalling the GDL 5XR unit to the aircraft frame.• Push/Pull (that can be manually reset) circuit breaker (3 Amp recommended).• Tie Wraps or Lacing Cord• Ring Terminals (for grounding) #8 size• Silicon Fusion Tape (GPN 249-00114-00) to wrap the cable bundle. Silicone fusion tape isavailable at most major suppliers like Mouser, Digi-key, and Home Depot.• Solder Sleeves for terminating the shields of the cable to the GDL 5XR backshell. See Section 3.3for part numbers.• Heat shrink tubing2.4 Installation ConsiderationsThe GDL 5XR interfaces with various avionics equipment. Fabrication of a wiring harness is required.Sound mechanical and electrical methods and practices are required for installation of the GDL 5XR.2.4.1 Compass Safe DistanceAfter reconfiguring the avionics in the cockpit panel, if the unit is mounted less than 12 inches from thecompass, recalibrate the compass and make the necessary changes for noting correction data.2.4.2 GDL 5X Battery InformationIf these guidelines are not followed, the internal Lithium Ion battery may experience a shortened life spanor may present a risk of damage to the unit, fire, chemical burn, electrolyte leak, and/or injury.• Do not leave the unit exposed to a heat source or in a high temperature location, such as in the sunin an unattended aircraft on a hot day. To prevent damage, remove the unit from the aircraft orstore it out of direct sunlight.• Do not disassemble, puncture, damage, or incinerate the unit/battery.• When storing the unit for a limited length of time (less than 30 days), store within the followingtemperature range: -4° to 122°F (-20° to 50°C).• When storing the unit for an extended time, store within the following temperature range: -4° to86°F (-20° to 30°C).• Do not operate the unit outside of the following temperature range: -4° to 140°F (-20° to 60°C).• Do not remove or attempt to remove the battery.• Do not immerse or expose unit to water or other liquids.• Do not use a power and data cable that is not approved or supplied by Garmin.• Contact your local waste disposal department to dispose of the device in accordance withapplicable laws and regulations.• The battery LED of the GDL 5X will flash red, if the battery is too hot/cold to charge. Thisindication will only occur when the unit is in standby.• Garmin recommends fully charging the unit with a USB wall charger (1A or higher), before firstuse. (USB ports on most PC's supply only 0.5A.)