Y Programming using the Handset31Document Version 2011-03Updating the base unitsoftwareCustomer support may offer new features andimprove its software version from time to time. Ifyou set the base unit software update setting tomanual mode through the Web user interface, youneed to download the update when “Updateversion.Press OK.” is displayed. Contact youradministrator for further information.Important:L Make sure the STATUS indicator on the baseunit is lit in green and no line is in use (page 7).1 Press {OKL} while “Updateversion.Press OK.” is displayed.L The current and new base unit softwareversions are displayed.L If you want to download the update later,press {CANCEL}. When you are ready todownload, see “Confirming the base unitsoftware version”, page 31.2 {OK}Note:L The STATUS indicator on the base unit flasheswhile downloading. When the download iscomplete, the STATUS indicator stops flashingand changes to steady green.Confirming the base unit softwareversion1 {MENU} (center of joystick) i{#}{1}{5}{6}L The current base unit software version isdisplayed. To exit, press {OFF}.2 If “Update version?” is displayed, press{OK} to download. To exit withoutdownloading, press {CANCEL}.