206Ccalculatorchange number format 186change trigonometric mode 187edit 186error message 189input statistical data 188use 185calibrate, screen 10, 71callanswer 23correct number 14end 14four-digit dial 22history 20in-call options 25make 13redial 18restrict 66speed dial 17voice dial 15waiting 27caller messagedelete 36listen 35character recognition (how to write)editing marks stroke 53english letters stroke 53numbers stroke 54on-screen keyboard 47symbols stroke 54text input screen, open 46writing directly on the screen 49writing input help 55chataccess 162bulletin board 173chat book 171chat room information 165chat memo 170create a new chatroom 167join 165person-to-person talk 169reject 177room operator 168search user 176set server 177show lap time 176text input 164user information 175charge, battery 6checkbox 55cigarette lighter charger 199contrast 11, 71country code 14Ddata, communicate 75displaybig clock 64greeting 64my phone number 64world time 64DTMFregister 26send 25
