1400 LT (250-3500) Using the Setup Utility Faxback Doc. # 1924 Press to enter the Setup program. Key Definition Current Setting F1 : Set time for Standby Mode 03:59 F2 : LCD / CRT LCD CRT F3 : Internal / External Keyboard INT EXT F4 : RS232C / Internal Modem RS232C MODEM F5 : Direct Modem / Acoustic Coupler DIRECT ACOUST F6 : Internal / External Screen Controller INT EXT F7 : CPU Clock (MHz) 7.16 4.77 Press ESC to Exit (jej/tmc-12/02/95)