76 TASCAM DR-40X16 – TroubleshootingIf you are having trouble with the operation of this unit, please double-check the following before seeking repair. If thesemeasures do not resolve the issue, please contact the retailer where you purchased this unit or a TASCAM customer supportservice service.Power will not turn ON.i Confirm that batteries are installed correctly.i Confirm that the HOLD switch is not set.The unit turns off automatically.i Check the automatic power saving function setting. Set itto “Off” to prevent the power from turning off automati-cally. (see "Setting the automatic power saving function" onpage 69)The SD card is not recognized.i Confirm that the SD card is inserted completely.No sound is output or sound is not output fromthe speaker.i Confirm that the output volume is not lowered it too much.i Confirm that the speaker setting is on. Even if the speakersetting is on, sound will not be output from the speakerwhen headphones are connected or when the unit isrecording or in recording standby.Recording is not possible.i Confirm that the REC indicator is lit. If the REC indicator isblinking, the unit is in recording standby.i Check the remaining available recording time shown onthe Recording Screen.The recorded sound is quiet or distorted.i Check the input level setting.The unit is not recognized by a computerconnected using a USB cable.i Confirm that the connected computer uses a compatibleoperating system.i The USB function used must be selected from the menu toenable a computer to recognize this unit.i Confirm that the USB cable is not designed only forcharging.i Confirm that the connection is not being made through aUSB hub.Sound skips or noise occurs when in USB audiointerface mode.For Windowsi Performance optionsSelect “Adjust for best performance”.i Power optionsSelect “High performance”.i Use the DR-X series driver.Check the page for this product on the TASCAM website(https://tascam.com/us/) for details.The wrong language was set accidentally.i After pressing the ¤ (HOME)[8] button to turn the unitoff (put it in standby), while pressing the MENU button,press the ¤ (HOME) [8] button again.The language selection menu will appear, and you will beable to select the language.