10-10 HDS-7150/7100F1 F2 F3 F4 F5 F6SYSTMSCR4 : 3- - - - -16 : 9SELECTF1 F2 F3 F4 F5 F6SYSTMFREQ60SELECT59.94- - - - -50- - - - -MORE1/2F1 F2 F3 F4 F5 F6SYSTMFREQ30- - - - -25- - - - -24- - - - -23.98- - - - -MORE2/2Setting the aspect ratio of the screena. To continue the setting after setting the number of scanning lines, press the EXIT button.If the SYSTEM SETUP menu is already displayed, perform the setting from step “b”.b. On the SYSTEM SETUP menu screen, press [F3] (SCREEN).The function key indication changes as follows.c. To set the aspect ratio to 4:3, press [F2] (4:3).To set the aspect ratio to 16:9, press [F3] (16:9).SELECT is displayed under the selected aspect ratio.Setting the frequency modea. To continue the setting after setting the number of scanning lines or the aspect ratio of the screen,press the EXIT button.The SYSTEM SETUP menu is displayed.If the SYSTEM SETUP menu is already displayed, perform the setting from step “b”.b. On the SYSTEM SETUP menu screen, press [F4] (FREQ).The function key indication changes as follows.c. Press [F6] (MORE) and the function key indication changes as follows.HDS-710010-3. Set-up