34 TASCAM DP-324 – PreparationConnecting other equipmentThis section shows examples of how to connect otherdevices to this unit.Precautions before making connections• Turn off (put in standby) this unit and all devices thatyou will connect beforehand.• Supply power to all the devices from the same line.When using a power strip, for example, use one with acable that has a high electric current capacity in orderto minimize power voltage variations.Front panelTASCAM RC-3F Footswitch(Optional)HeadphonesRear panelUSB ComputerAC outletDC plugDrummachinePowered speakers oramplifier and speakersConnect aguitar/bassto INPUT HConnect electronic keyboardsto INPUTS A to HConnect microphonesto INPUTS A to HMini-B USB plugExternal effectExternal recorderCAUTION• Do not connect a dynamic microphone using anunbalanced connection when phantom power is on.Doing so could break it.• Do not connect or disconnect a microphone whenphantom power is on. Doing so could cause a loudnoise and damage the equipment.• Before turning phantom power on or off, turn downthe output volume using the MONITOR LEVEL knob,STEREO fader and external monitor monitoringsystem. Depending on the microphone, a loud noisecould occur, resulting in harm to equipment andhearing.NOTE• Before producing any sound, minimize the outputvolume using the MONITOR LEVEL knob and externalmonitoring system. Loud noise could occur, resulting inharm to equipment and hearing.• Recorder functions cannot be used when the unit isconnected to a computer via USB.TIPWhen connecting an electric-acoustic guitar with a built-inpreamp or an active-type electric guitar, or when using aneffects pedal, for example, between the guitar and this unit,set the LINE-GUITAR switch on the rear panel to LINE.Adjusting the displayYou can adjust the contrast, brightness and backlight levelof the display.Follow these procedures to adjust the contrast.1. When the recorder is stopped, press the MENUbutton to open the MENU screen.2. Use the JOG/DATA dial or the CURSOR (5/b/g/t)buttons to select (highlight green) PREFERENCE,and then press the F4 (t) button.The PREFERENCE screen opens.3. Use the CURSOR (5/b) buttons to selectContrast, and then use the JOG/DATA dial toadjust it.Contrast range: 1 – 25 (default: 5)Brightness range: 1 – 25 (default: 13Backlight range: 1 – 25 (default: 25)4. After making the settings, press the HOME buttonto return to the Home screen.