223Menu Guide—The Setup MenuBattery InfoTo view information on the EN-EL4a rechargeableLi-ion battery currently inserted in the camera,highlight Battery info in the setup menu ( 213)and press the multi selector to the right.Option DescriptionBattery meter Current battery level expressed as a percentage ( 27).Calibration• Required: due to repeated use and recharging, calibration isrequired to ensure that battery level can be measured accurately;recalibrate battery before charging (see MH-21 Quick Chargerinstructions for details).• Not required: calibration not required.Charging lifeFive-level display showing battery age. 0 (New) indicates that bat-tery performance has not been affected; 4 (Replace) indicates thatbattery has reached end of charging life and should be replaced.Picture meterNumber of times shutter has been released with current batterysince battery was last charged. Note that camera may sometimesrelease shutter without recording photograph, for example whenmeasuring value for preset white balance.Wireless LANThis option is only available when an optionalWT-2 / 2A or WT-1 / 1A wireless transmitter is at-tached. To adjust wireless LAN settings, highlightWireless LAN in the setup menu ( 213) andpress the multi selector to the right. Press themulti selector up or down to highlight an optionand then press the multi selector to the right. Theoptions available vary depending on whether theWT-2 / 2A or WT-1 / 1A is attached. See the manualprovided with the wireless transmitter for details.WT-2 / 2AWT-1 / 1A
