Led Lenser®*EN Operating instructions F1R_V.01 | 7/31/2014 175. Operation5.8 Attaching the Wrist StrapTo attach the enclosed wrist strap to the end cap:1. Push the thin loop ① of the wrist strap from the inside,through the attachment opening ③ of the end cap of theflashlight.2. Push the thick loop ② through the thin loop ① and pullthe thick loop ② until the thin loop ① has tightened aboutthe attachment opening ③.5.9 Automated Functions5.9.1 Temperature MonitoringThe F1R is fitted with a temperature monitoring function(electronic regulation with temperature sensor). This preventsthe flashlight from overheating when in use. This may result ina reduction in brightness as soon as the function is activated.→ If necessary, switch off the flashlight and allow tocool down.5.9.2 Battery State WarningA low charge state of the battery pack is signalized by 3 briefflashes of the LED. The flashing is repeated every 15 secondsuntil the flashlight switches itself off automatically after 10minutes.→ Remove the battery pack as described in chapters 5.4and 5.5, charge and replace.5.10 CleaningThe following should be noted for cleaning:• Only dry clean the flashlight and its accessories using a lint-free cloth.• If the flashlight comes into contact with salt water, removethe salt water immediately and fully with a lint-free cloth.ATTENTIONDAMAGE TO SURFACESSolvents can damage surfaces or decomposematerials!Therefore:• Do not use any cleaning agents or disinfectants.• Do not use scouring agents.• Do not use gasoline, paint thinners or similarproducts.123