Jabra M5390 User Manual - Page 16

English 8.3 10 min Low battery 8.3 App. 10 minutes before the headset runs out of battery, the visual indicator on headset will start to flash with a red light and a series of tones will be heard. If the battery runs out of power, the visual indicator on headset will switch off automatically. Replace the headset in the charge cradle and continue the call using telephone handset. The headset contains a battery level indicator. Tap the Vol. up/down button and the visual indicator will flash quickly twice - green, yellow or red depending on the battery level. 8.4 Out of range 8.4 If you go out of range (app. 230 feet/70m), all buttons except the Answer/End button will stop working until back in range again.2) Please note that the majority of cell phones only support 33 feet/10m. 70 m/230 feet If the headset is muted when going out of range, it will also be muted when returning within range again. 2) Important: If the headset is out of range for more than 1 min., the connection between base and headset will be terminated. 13