Panasonic CF-18 Series Reference Manual

Also see for Toughbook CF-18 Series: Precautions for Installing Precautions for Installing Operating instructions Supplementary instructions Supplementary instructions

74The red indicator lights.The red indicator blinksThe orange indicatorblinksThe green indicator blinksThe battery indicatorblinks green and orangealternatelyThe battery level is very low (the charge is less than approx. 9% capacity).Connect the AC adaptor. You can use the computer when the indicator light is orange.If you do not have an AC adaptor, save your data and power off your computer. Afterreplacing the battery pack with a fully charged one, turn your computer on.Quickly save your data and power off your computer. Remove the battery pack anddisconnect the AC adaptor, then connect them again.If the problem persists, contact Panasonic Technical Support. The battery pack orrecharging function may be defective.Battery cannot be recharged temporarily because the internal temperature of thebattery pack is outside of the acceptable temperature range for recharging. Once theallowable range requirement is satisfied, charging begins automatically. Your com-puter can be used normally in this state.In high temperature mode, the battery pack is discharging to a level of 80%* in nor-mal temperature mode. ( page 38)Do not remove the battery pack while the battery indicator is blinking green.* A level of 80% in normal temperature mode is displayed as [100%] in high tempera-ture mode.Warming up the system to prevent hard disk drive malfunctions at low temperature.Leave your computer as is. Once the allowable temperature range requirement issatisfied, your computer will start automatically.Battery IndicatorDealing with Problems (Advanced)Unable to input by touch-ing the displayTouchscreenHas the Setup Utility been used to set [Touchscreen] to [Enable]? ( page 64)When mouse drivers are installed (i.e. Intellimouse), the touchscreen is unable tobe used.Has the touchscreen driver been properly installed?It is necessary to perform [Calibration] to point correctly with the stylus includedwith the computer.Unable to input using thetouch padTouch PadHas the Setup Utility been used to set [Touch Pad] to [Enable]? ( page 64)When external mouse drivers are installed (e.g., Intellimouse), the touch pad maynot be used.Has the touchpad driver been properly installed?The sound is not heardVolume does not changewhen Fn + F5 orFn + F6 is pressedThe audio is distortedSoundTry changing the mute by pressing Fn + F4 or Fn + F6 .If the Windows sound function is not active, the volume will not change even if isdisplayed.Audio distortion may occur when operations are performed by pressing Fn incombination with another key. Stop playing and start again.