TASCAM DR-40 9912 – Settings and InformationSystem Settings and FormattingFrom the SYSTEM Screen, you can change various settingsto optimize the device for your use environment and otherrequirements. You can also initialize the unit and format theSD card.1 Press the MENU button to open the MENU screen.2 Use the + or − button to select OTHERS, and press theENTER/MARK or / button to open the OTHERSsubmenu.3 Use the + or – button to select SYSTEM, and press theENTER/MARK or / button.SYSTEM screen appears.The following settings can be made for the items on theSYSTEM screen.Use the . or / button and the + or − button to set eachitem.Setting the automatic power saving functionUse the AUTO PWR SAVE item to set the time before the unitpower automatically turns OFF after the last activity or usewhen powered by the battery.Options: OFF (factory setting—the unit does not automaticallyturn OFF), 3 min, 5 min, 10 min, 30 minSetting the backlightUse BACKLIGHT to set the time until the backlightautomatically turns OFF after the last operation whenpowered by the internal battery.Options: OFF (turned off ), 5 sec (factory setting), 10 sec, 15sec, 30 sec, ALWAYS (always on)Adjusting the display contrastUse CONTRAST to adjust the display contrast.Options: 1–20 (factory setting: 5)Setting the type of AA batteriesUse BATTERY TYPE to set the type of the AA batteries thatyou are using. This setting is used to show the amount ofremaining battery charge and determine if the unit hasenough power for normal operation.