Index 37IndexAaccessing features with FCN button, 24adjusting volume, 23appendix, 33specifications, 36troubleshooting, 33auto answer, 16Bbuttons, 3Cchanging the idle message, 17Ddelete the last number dialed, 18display contrast, 19FFCN, 24flash a CO line, 22Hhandset, 2buttons, 3charger base, 5charger LEDs, 5icons, 4hookswitch operation, 22Iicons, 4installation, 7battery lifelow battery, 8charge the handset and batteries, 8select location, 7LLCDlow battery indicator, 8locking the dial pad, 24Mmaking calls, 14memory locations, 25memory locations 10~69, 25menu optionsadjusting the display contrast, 19