Zoom LiveTrak L-20R Operation Manual Download Page 114

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Troubleshooting

General

The unit and L-20 Control are not connecting

• Confirm that a ZOOM wireless adapter (e.g. BTA-1) has been installed in the unit.
• Confirm that the ZOOM wireless adapter (e.g. BTA-1) has not become disconnected.
• Confirm that the iPad Bluetooth setting is on.

• Open L-20 Control, tap

in the toolbar, and confirm that

is shown.

There is no sound or output is very quiet

• Check the speaker connections and volume settings on the speakers.
• Check instrument and mic connections

• When using a condenser mic, turn on.
• Confirm that the SIG indicators are lit green.

• Confirm that

is unlit.

• Raise all the channel faders and the master fader, and confirm that the level meters are lit.

• Confirm that the MASTER

is unlit or lit red.

Recorded audio is too loud, too quiet or silent

• Adjust input gains and confirm that SIG indicators are lit green.

• When using a condenser mic, turn on.

• When recording to an SD card, confirm that

is lit red.

Recording is not possible

• When recording to an SD card, confirm that

is lit red.

• Confirm that the SD card has open space.
• When recording to an SD card, confirm that the project is not protected (to prevent overwriting).

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Summary of Contents for LiveTrak L-20R

Page 1: ... in this document are the property of their respective companies All trademarks and regis tered trademarks in this document are for identification purposes only and are not intended to infringe on the copyrights of their respective owners Proper display is not possible on grayscale devices You must read the Usage and Safety Precautions before use Operation Manual ...

Page 2: ...istered trademarks of Bluetooth SIG Inc and these marks are used under license by Zoom Corporation Other trademarks and trade names are the property of their respective companies Other product names registered trademarks and company names in this document are the property of their respective companies Note All trademarks and registered trademarks in this document are for identification purposes on...

Page 3: ...eamps built in for 16 channels The high quality analog inputs which can provide 48 V phantom power have a 128 dBu EIN rating and 60 dB maximum input gain In addi tion channels 1 and 2 also support Hi Z input while channels 3 to 16 have PAD functions 26 dB attenua tion enabling them to accept high levels of input 6 monitor output channels In addition to the MASTER OUT the also has 6 MONITOR OUT cha...

Page 4: ...lder where projects are saved 68 Selecting projects for playback 69 Using the metronome 70 Enabling the metronome 70 Changing metronome settings 71 Projects 76 Changing project names 76 Deleting projects 78 Protecting projects 79 Checking project information 80 Saving projects to USB flash drives 81 Importing projects from USB flash drives 83 Checking deleting and moving to marks 85 Audio files 86...

Page 5: ...tings to factory defaults 109 Checking the versions 110 Checking the firmware versions 110 Checking the L 20 Control version 111 Updating the firmware 112 Troubleshooting 113 Specifications 116 Send effect specifications 117 Mixer block diagram 118 4 ...

Page 6: ... This turns 48V phantom power on off Turn this on to supply phantom power to MIC LINE input jacks 1 4 5 8 9 12 or 13 16 The indicator lights when the switch is on 3 PAD switch This attenuates reduces the input signal of the equipment connected to MIC LINE input jacks 3 16 by 26 dB Turn this on when connecting line level equipment 4 SIG indicator This shows the signal level after adjustment by the ...

Page 7: ...the input gain of the mic preamp The range of adjustment depends on the on off status of the MIC LINE input jack switch Hi Z on chan nels 1 2 or PAD on channels 3 16 Jack Adjustment range MIC LINE input jack 1 2 XLR 16 60 dB MIC LINE input jack 1 2 TRS Hi Z off 16 60 dB Hi Z on TS 6 50 dB MIC LINE input jack 3 16 PAD off 16 60 dB PAD on 10 34 dB 6 COMP knob Use to adjust the amount of compression ...

Page 8: ...4 VOLUME knob Use this to adjust the volume of the PHONES jack 5 SELECT knob Use this to select the signal output from the PHONES jack The options are MASTER SOLO and MONITOR OUT A F MASTER The signal after adjustment by the master fader is output A F The signal set by the fader mode is output SOLO The signals of soloed channels are output 6 MONITOR OUT PHONES SPEAKER switch Use this to select the...

Page 9: ...he current mixer settings are automatically saved in the unit and in the settings file in the project folder on the SD card 3 Selection encoder Use this to change menus and values and to move between items Operation Result Turn when Home Screen open Search forward or backward in one second increments Press when Home Screen open Set a mark Turn when menu open Move between parameters and change valu...

Page 10: ...n be exchanged with a computer Audio interface mode Operating as an audio interface audio data can be exchanged with a computer Inputs The signals from channels 1 20 after they pass through their compressors and the master fader output signals are input to the computer SAMPLE RATE switch Set the sampling rate used by the unit This cannot be changed after starting up Display This shows the recorder...

Page 11: ...one output NOTE The MONITOR OUT jacks can be set to output the same signals as the MASTER OUT jacks or signals set separately by the fader mode Setting signals output from MONITOR OUT A F on page 49 Set the MONITOR OUT PHONES SPEAKER switches according to the type of connected equipment 3 MASTER OUT jacks These jacks output signals after volume adjustment by the master fader Connect them to a powe...

Page 12: ...nch balanced or unbalanced phone plugs 6 LINE input jacks RCA Use these input jacks to connect line level equipment For example connect audio devices These can be used with RCA pin connectors NOTE If both the RCA andTS LINE input jacks are connected theTS input jacks will be used 7 DC IN 12V AC adapter connector Connect the included AC adapter here 11 ...

Page 13: ...dphones ZOOM wireless adapter e g BTA 1 iPad Computer for recording and playback Back DI Performer headphones speakers 6 Keyboard Drums Drum mic Electric guitar Vocal chorus mic Electric acoustic guitar Bass Portable audio player Powered speakers main Footswitch 12 ...

Page 14: ...ck mode on page 100 7 Metronome icon This is shown when the metronome is enabled Enabling the metronome on page 70 8 Project protection icon This is shown when project protection is enabled Protecting projects on page 79 9 Remaining recordable time This shows the remaining recordable time This will change automatically according to the number of channels that are in recording standby Recording fil...

Page 15: ...ore HINT If the 2D code cannot be scanned open the App Store and search for L 20 Control NOTE When you launch L 20 Control you must pair it with the that it will operate Pairing con necting with the on page 33 A Zoom wireless adapter e g BTA 1 must be installed in the to remotely control it from an iPad With L 20 Control transmission up to 10 m is possible when used indoors without obstacles 14 ...

Page 16: ...he toolbar to access screens including the device list settings channel strip effect graphic equalizer and recorder panel screens 3 Master section The master section shows settings including for the master fader the scene the fader mode and mon itor output On this screen the master fader and monitor output parameters can be adjusted precisely Scene and fader mode settings can also be changed 4 Met...

Page 17: ...ght red Lit red input signal level is close 3 dBFS or higher to the clipping level 0 dBFS Lit green input signal level is between 48 and 3 dBFS compared to the clipping level 0 dBFS 3 EQ display This shows the equalizer curve for the channel This to open the channel strip Channel strip on page 26 4 EFX 1 2 send faders The amount that can be sent to the SEND EFX 1 and 2 buses can be set from to 10 ...

Page 18: ... tap this button to light it HINT This has no effect on recording to the SD card 8 SOLO button When a SOLO button is ON the pre fader signal can be heard from the PHONES jack At such times the SELECT knob will automatically select SOLO 9 Fader level This adjusts the channel signal level in a range from to 10 dB Channel fader This adjusts the channel signal level in a range from to 10 dB NOTE To ma...

Page 19: ...fect See Send effect specifications on page 117 for the parameters of each effect Effect return fader This adjusts the levels of the signals sent from the built in effect to the master bus in a range from dB to 10 dB HINT To show the effect operation section for the input channels swipe to reveal the right edge of the screen 18 ...

Page 20: ... Project counter This shows the hour minute second 4 FADER MODE buttons These switch the mixes output from the MASTER OUT and MONITOR OUT A F jacks M button Use to show and adjust the mix output from the MASTER OUT jacks A F buttons Use to show and adjust the mixes output from the MONITOR OUT A F jacks NOTE The following parameters can have separate settings for the MASTER and A F mixes Fader posi...

Page 21: ...Y button color shows the playback status as follows Status Explanation Lit green The recorder is playing back Blinking green Playback is paused REC button This puts the recorder in recording standby The REC button color shows the recording status as fol lows Status Explanation Lit red The recorder is recording or in recording standby Blinking red Recording is paused MONITOR OUT knob Use to adjust ...

Page 22: ...ignal level in a range from to 10 dB Master fader This adjusts the signal levels output from the MASTER OUT jacks in a range from to 10 dB Master level meters These show the signal levels output from the MASTER OUT jacks in a range from 48 dB to 0 dB 21 ...

Page 23: ... 2 Project folder location The folder where the project is saved will be shown as FOLDER01 FOLDER10 3 Previous next project buttons appears if there is another project before this one in the folder appears if there is another project after this one in the folder 4 Status icon This shows the status as follows Stopped Paused Recording Playing back 5 Counter This shows the hour minute second 6 Progre...

Page 24: ...sed the faster the speed becomes FF button Tap to move to the next mark If it is the last mark this moves to the end of the file Tap this button again to move to the next project Press and hold to search forward The longer pressed the faster the speed becomes PLAY button This starts and pauses recorder playback The PLAY button color shows the playback status as follows Status Explanation Lit green...

Page 25: ...ollows at mark mark added at counter location not at mark mark not added at counter location Longest file time in project This shows the length of the longest file in the project Project audio format This shows the recording file format used by the recorder 24 ...

Page 26: ...efore fader POST post fader level signal level after fader 3 Channel strip This shows the settings of the selected channel Parameters can be adjusted precisely on this screen The channel name channel color PAN and PHASE settings the EQ LOW CUT LOW MID GAIN MID FREQ and HIGH settings as well as the SEND EFX 1 and 2 levels are shown 4 Effects Check and change the selected effects and adjust their pa...

Page 27: ...ter to use it as an audio interface Connecting to a computer on page 93 4 Channel Reset This resets the channel 5 PAN knob This adjusts the position in the stereo output bus On a stereo input channel this adjusts the volume balance between the left and right channels 6 EQ curve This graph shows the EQ curve 7 PHASE button This reverses the polarity of the selected channel 8 CH EQ OFF When this but...

Page 28: ...ID FREQ knob This adjusts the central frequency of the mid frequency equalization Frequency 100 Hz 8 kHz HIGH knob This adjusts the boost cut of high frequency equalization Type shelving Gain range 15 15 dB Frequency 10 kHz SEND EFX knobs SEND EFX 1 knob The amount that can be sent to the SEND EFX 1 bus can be set from to 10 dB SEND EFX 2 knob The amount that can be sent to the SEND EFX 2 bus can ...

Page 29: ...2 Parameter 2 knob 1 Effect name and description This shows the selected effects type and a description Tap it to change it 2 Parameter knobs The effect parameters can be adjusted See Send effect specifications on page 117 for the parameters of each effect 28 ...

Page 30: ... 5 Frequency label 1 Graphic equalizer ON OFF This turns the graphic equalizer G EQ on off 2 RESET This sets all the graphic equalizer faders to 0 dB 3 Graphic equalizer fader Use to adjust the gain 4 Gain value This shows the gain value 5 Frequency label This shows the equalizer frequency band 29 ...

Page 31: ...wer on and off Turning the power on POWER switch GAIN knobs Input and output connectors DC IN 12V AC adapter connector 1 Confirm that the output devices connected to the are turned off 2 Confirm that is set to OFF 30 ...

Page 32: ...Set to ON 7 Turn on the output devices connected to the NOTE When using a passive guitar or bass guitar connect it to channel 1 or 2 and turn on Front on page 5 When using a condenser mic turn on Front on page 5 The power will automatically turn off if the is unused for 10 hours To keep the power on at all times disable the automatic power saving function Disabling the automatic power saving func ...

Page 33: ...off the power of output devices connected to the 3 Set to OFF The following screen appears and the power turns off NOTE When the power is turned off the current mixer settings are saved in the project on the SD card If they cannot be saved to the SD card they will be saved in the unit 32 ...

Page 34: ...trol app on the iPad before connecting Installing L 20 Control on page 14 Device list REMOTE connector POWER switch 1 While the is off connect a ZOOM wireless adapter e g BTA 1 to the REMOTE connector 2 Turn the power on Turning the power on on page 30 NOTE Confirm that the output devices connected to the are turned off 33 ...

Page 35: ... list 5 Tap a device name ID to connect it When the app connects to a the in the toolbar turns blue The curves show the sig nal strength NOTE If pairing is not successful move the iPad and the closer together or move both to a place where nothing interferes with the signal and try connecting again Confirm also that the Bluetooth func tion of the iPad is enabled 34 ...

Page 36: ... parameters Turn This moves the cursor Confirm menu items and parameters Tap This opens the selected MENU screen or parameter setting screen Return to previous screen Tap This opens the selected MENU screen or parameter setting screen On the following pages MENU screen operations are shown in the following way For example After selecting METRONOME on the MENU screen select CLICK becomes Select MEN...

Page 37: ...Outputting sound from speakers GAIN knobs MUTE buttons MUTE button Channel faders Master fader 1 Use to adjust the input signals while inputting sound from instruments and mics NOTE Set them so that the SIG indicators do not light red SIG indicator 36 ...

Page 38: ...ER and the channels with sound to be output to turn muting off unlit 3 Set the MASTER fader to 0 4 To adjust the volume of a channel tap it and use the channel fader 5 Use the MASTER fader to adjust the overall volume 37 ...

Page 39: ...o select the bus to be output from the PHONES jack and tap The options are MASTER SOLO and MONITOR OUT A F Status Explanation MASTER Signals are output after adjustment by the master fader A F Signals set in the FADER MODE section are output SOLO The signals of soloed channels are output 3 Use to adjust the volume 38 ...

Page 40: ...nnel strip section to adjust the tone and panning To control a slide it left and right or up and down to change its value A pop up for the pa rameter being adjusted will appear Adjusting the tone Adjusting the panning Reversing the polarity NOTE To turn off all equalization at once tap to light it This will bypass the HIGH MID FREQ MID GAIN LOW and LOW CUT Using the compressor Input channel sectio...

Page 41: ...HINT Details about each knob and button Channel strip on page 26 Double tap the following knobs to reset them to their default values PAN LOW MID GAIN HIGH 40 ...

Page 42: ...l strip Channel strip Channel 1 Tap the channel to change to select it 2 Tap in the toolbar to open the channel strip 3 Tap and select a color from the pop up The channel name label will change to the selected color COLOR button 41 ...

Page 43: ...e toolbar to open the channel strip 3 Tap the channel name and use the on screen keyboard to edit it Tap Done to show the edited channel name NOTE Channel names can have a maximum of 8 characters The following characters can be used in channel names space 0123456789 ABCDEFGHIJKLMNOPQRSTUVWXYZ _ abcdefghijklmnopqrstuvwxyz 42 ...

Page 44: ...Resetting channels Channel strip Channel strip Channel 1 Tap the channel to change to select it 2 Tap in the toolbar to open the channel strip 3 Tap This opens a confirmation pop up 43 ...

Page 45: ...e used in 2 effect channels Using built in effects Effect Effect return fader Channel strip MUTE button 1 Tap in the toolbar 2 Tap the current effect name This opens the effect selection screen 3 Tap the icon for an effect to select it This closes the selection screen 44 ...

Page 46: ...to select it 7 Tap in the toolbar 8 Use and to adjust the amounts of EFX 1 and EFX 2 effects 9 Use the EFX 1 and EFX 2 faders to adjust the overall effect amounts 10 Tap in the toolbar 11 Slide EFX 1 and EFX 2 and to adjust the effects NOTE Effect parameters that can be adjusted by and Send effect specifications on page 117 45 ...

Page 47: ...call these saved settings at any time Saving scenes SCENE ON OFF button 1 9 buttons SCENE SAVE 1 Tap to light it This enables the scene function 2 Tap Buttons will light if they have saved scenes and blink if they do not Tap again to not save a scene 3 Tap the button to select the scene where the settings will be saved 46 ...

Page 48: ...nd MASTER MUTE ON OFF each channel EFX 1 2 RTN and MASTER EQ OFF LOW CUT EQ HIGH EQ MID GAIN EQ MID FREQ EQ LOW SEND EFX 1 2 PAN PHASE EFX 1 2TYPE EFX 1 2 parameters USB button setting Recalling scenes SCENE ON OFF button 1 9 buttons SCENE RECALL 1 Tap to light it This enables the scene function 2 Tap Buttons will blink if they have saved scenes and be unlit if they do not Tap again to not recall ...

Page 49: ...ettings SCENE ON OFF button 1 9 buttons SCENE RECALL SCENE RESET 1 Tap so that it lights This enables the scene function 2 Tap Buttons will blink if they have saved scenes and be unlit if they do not Tap again to not reset the settings 3 Tap The current mixer settings are reset to their factory defaults 48 ...

Page 50: ...t the same mix as the MASTER OUT or different mixes Adjusting the MONITOR OUT A F mixes FADER MODE buttons Channel faders 1 Tap to select the output to mix The selected output button lights and operation of all the channel faders is enabled 2 Use the channel faders to adjust the volumes 49 ...

Page 51: ...the MONITOR OUT switch to A F To output the same mix as the MASTER Set the MONITOR OUT switch to MASTER Output different mixes for MONITOR OUT A F Output same mix as MASTER NOTE Each output mix is saved with the scene and project The parameters that can have separate settings for the MASTER and MONITOR OUT A F are as fol lows Fader positions each channel EFX 1 2 RTN positions 50 ...

Page 52: ...r the outputs according to the types of equip ment connected To connect headphones to a MONITOR OUT A F jack Set the MONITOR OUT PHONES SPEAKER switch to A stereo signal will be output from the jack To connect a speaker to a MONITOR OUT A F jack Set the MONITOR OUT PHONES SPEAKER switch to A mono balanced signal will be output from the jack 51 ...

Page 53: ...Copying a mix FADER MODE buttons 1 While pressing for the output to copy tap a blinking copy destination This copies the mix from the source to the destination 52 ...

Page 54: ...lizer 3 Slide the graphic equalizer fader for a frequency band up or down to adjust its gain HINT To make precise adjustments tap the fader cap and slide it left right to raise lower the fader Double tap a fader to reset it to its default value Tap to reset all faders to 0 dB When the is turned off and on again the graphic equalizer will be set to off 53 ...

Page 55: ...ng it Always set to OFF before inserting or removing an SD card Inserting or removing a card while the power is on could result in data loss When inserting an SD card be sure to insert the correct end with the top side up as shown If an SD card is not loaded recording and playback are not possible To format an SD card see Formatting SD cards on page 101 Use an SD card that is Class 10 or higher Fo...

Page 56: ...cts 1 Select MENU PROJECT NEW PROJECT 2 Use to selectYES and tap NOTE See Projects on page 76 for information about projects When a new project is created it will start with the current mixer settings HINT When the power is turned on it will automatically load the last used project 55 ...

Page 57: ... back Recording CHANGE PANEL button REC button REC PLAY button OVERDUB button PLAY button STOP button 1 Tap to open the recorder panel 2 Tap to turn overdubbing on or off Lit ON Overwrite the current project Unlit OFF Create a new project and record in it 3 Tap for the channels to record lighting their buttons red 4 Tap to start recording standby HINT If a recorded file already exists and is off t...

Page 58: ...atically Starting recording automatically on page 65 Capturing audio before recording starts Pre recording before recording starts on page 67 When recording stops Please Wait appears on the display Do not turn the power off or remove the SD card while this message appears Doing so could cause data loss or malfunction Playing recordings CHANGE PANEL button REC PLAY button PLAY button STOP button 1 ...

Page 59: ...d during playback Mixer block diagram on page 118 If recorded signals are pre compressor playback signals will be inserted before the compressor Changing the input signal recording source on page 100 Selecting projects for playback Selecting projects for playback on page 69 Changing the playback mode Changing the playback mode on page 100 Other channels cannot be played back when the MASTER channe...

Page 60: ...to those positions easy Adding marks during recording and playback Selection encoder 1 Press during recording playback Moving in mark order CHANGE PANEL button FF button REW button 1 Tap to open the recorder panel 2 Use these buttons to move in mark order Move to next mark Tap 59 ...

Page 61: ...ark Tap NOTE Checking and deleting marks in projects Checking deleting and moving to marks on page 85 HINT A maximum of 99 marks can be added to one project A mark can be deleted by pressing when at the mark position 60 ...

Page 62: ...ayback With the punching in out can be conducted using L 20 Control or a ZOOM FS01 footswitch CHANGE PANEL button REC button REC PLAY button OVERDUB button PLAY button REW button STOP button 1 Tap to open the recorder panel 2 Tap to turn it on lit red 3 Tap repeatedly for the channels to redo until their buttons light red 4 Tap to move to before the part to be rerecorded 5 Tap to start playback 6 ...

Page 63: ...tch ZOOM FS01 Setting the footswitch on page 106 Punching in out overwrites recordings Punching in out can be done up to 99 times each time playback is started 8 Tap to stop playback NOTE Starting and stopping recording and playback can also be done from the unit itself 62 ...

Page 64: ... button OVERDUB button PLAY button REW button STOP button 1 Tap to open the recorder panel 2 Tap to turn it on lit red NOTE Adjust the volume and panning of each recorded track before starting When mixing down set the sampling rate to 44 1 kHz or 48 kHz If the sampling rate is 96 kHz cannot be set to ON 3 Tap the MASTER repeatedly until the button lights red 4 Tap to return to the beginning 5 Tap ...

Page 65: ...ting and stopping recording and playback can also be done from the unit itself To stop master track playback tap MASTER repeatedly until it becomes unlit When the master track is playing other tracks will not be played back To listen to master track playback from a MONITOR OUT set the MONITOR OUT A F switch to MASTER To listen to master track playback from the main headphone jack for the mixer ope...

Page 66: ...n be started and stopped automatically in response to the level after passing through the master fader REC button STOP button Selection encoder MENU button REC button indicator 1 Select MENU REC PLAY AUTO REC ON OFF 2 Use to select ON and press 65 ...

Page 67: ...matically when the input exceeds the set level Recording can be set to stop automatically when the input goes below a set level Setting automatic stopping on page 98 5 Tap to end recording standby or stop recording NOTE This function cannot be used with the PRE REC METRONOME or PRE COUNT functions When AUTO REC is turned on these other functions will be disabled When the OVER DUB function is enabl...

Page 68: ... can be useful when a performance starts suddenly for example 1 Select MENU REC PLAY PRE REC 2 Use to select ON and press NOTE This function cannot be used with the AUTO REC METRONOME PRE COUNT or OVERDUB functions When AUTO REC or PRE COUNT is turned on PRE REC will be disabled The PRE REC function continues to be enabled even when recording is paused 67 ...

Page 69: ...er where recorded projects will be saved 1 Select MENU FOLDER 2 Use to select the folder to use for saving recordings and press NOTE Up to 1000 projects can be saved in a single folder If a folder that does not have a project is selected a new project will be created automatically 68 ...

Page 70: ... cannot be selected To select a project that is saved in a different folder select that folder first Selecting the folder where projects are saved on page 68 When a project is loaded the mixer settings saved in that project are also loaded When switching to a different project the project mixer settings of the current project are saved to the settings file in the project folder 69 ...

Page 71: ...are saved separately with each proj ect Enabling the metronome 1 Select MENU METRONOME CLICK 2 Use to select when the metronome makes sound and press Setting Explanation OFF The metronome does not make sound REC AND PLAY The metronome sounds during recording and playback REC ONLY The metronome sounds only during recording PLAY ONLY The metronome sounds only during playback 70 ...

Page 72: ...Changing metronome settings TEMPO Selection encoder Changing the metronome tempo 1 Tap The current tempo is shown on the display 71 ...

Page 73: ...2 Tap at the desired tempo to set it NOTE The tempo will be shown on the hardware while it is being set on the app At this time on the hardware can also be turned to change the tempo 72 ...

Page 74: ...efore recording playback the precount will sound for the set number of times 1 8 SPECIAL Before recording playback the precount will sound as shown below NOTE The precount is enabled even during playback This function cannot be used with the AUTO REC function When AUTO REC is turned on PRE COUNT will be disabled This function cannot be used with the PRE REC function When PRE COUNT is turned on PRE...

Page 75: ...NT The options are BELL CLICK STICK COWBELL and HI Q NOTE Use to play the metronome and check the sound Changing the metronome pattern 1 Select MENU METRONOME PATTERN 2 Use to select the pattern and press HINT The options are 1 4 8 4 and 6 8 NOTE Press to play the metronome and check the pattern 74 ...

Page 76: ...e adjusted separately for the MASTER OUT and the MONITOR OUT A F outputs 1 Select MENU METRONOME LEVEL MASTER or MONITOR OUT A F 2 Turn to adjust the volume and press HINT This can be set from 0 to 100 NOTE Press to play the metronome and check the volume 75 ...

Page 77: ...xer settings Send return effect settings Mark information Metronome settings Changing project names The name of the currently loaded project can be changed MENU button REC button Selection encoder 1 Select MENU PROJECT RENAME 2 Edit the name Move cursor or change character Turn Select character to change confirm change Press 76 ...

Page 78: ...oject names have 13 characters The following characters can be used in project and file names space 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R ST U V W XY Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z Projects can be ordered numerically or alphabetically Project file names cannot be only spaces The project name is the same as the project folder name on the SD card 3 Press 77...

Page 79: ...cts Projects inside the selected folder can be deleted 1 Select MENU PROJECT DELETE 2 Use to select the project to delete and press 3 Use to selectYES and press NOTE Projects cannot be deleted if protection is ON 78 ...

Page 80: ...ECT 2 Use to select ON and press NOTE Projects cannot be used for recording if protection is ON Turn protection OFF to record When protection is OFF for a project it will always be saved to the SD card when the power is turned off or another project is loaded We recommend turning protection ON to prevent accidentally saving changes to a musical project after it has been completed 79 ...

Page 81: ...ewed 1 Select MENU PROJECT 2 Use to select INFORMATION and press Item shown Explanation NAME Project name PATH Location where project saved DATE Project creation date YYYY MM DD HH MM SS FORMAT Recording format SIZE Project size TIME Project length HHH MM SS FILES Track and file information 80 ...

Page 82: ... saved to it MENU button REC button MODE switch USB HOST port Selection encoder POWER switch 1 Set to OFF 2 Connect the USB flash drive to the USB HOST port 3 Set to USB HOST 4 Set to ON 5 Select MENU PROJECT PROJECT EXPORT 6 Edit the name Move cursor or change character Turn Select character to change confirm change Press 81 ...

Page 83: ... l m n o p q r s t u v w x y z Projects can be ordered numerically or alphabetically Project file names cannot be only spaces The project name is the same as the project folder name on the SD card 7 Press 8 Use to selectYES and press NOTE The folder structure on USB flash drives is as follows Never change this folder structure ZOOM_L 20 PROJECT AUDIO Folder where project data is saved Folder where...

Page 84: ...g projects to USB flash drives on page 81 Only projects inside the PROJECT folder can be imported 1 Set to OFF 2 Connect the USB flash drive to the USB HOST port 3 Set to USB HOST 4 Set to ON 5 Select MENU PROJECT PROJECT IMPORT 6 Use to select the project to load from the USB flash drive and press 7 Edit the name Move cursor or change character Turn Select character to change confirm change Press...

Page 85: ...le names space 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R ST U V W XY Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z Projects can be ordered numerically or alphabetically Project file names cannot be only spaces The project name is the same as the project folder name on the SD card 8 Press 9 Use to selectYES and press NOTE Imported projects are saved in the currently selected...

Page 86: ... checked moved to and deleted MENU button REC button Selection encoder 1 Select MENU PROJECT MARK LIST A list of marks appears Indicates added mark E mark indicates time when skipping occurred during recording 2 Use to select a mark and move to or delete it Press to move to the mark position Press to delete the mark 85 ...

Page 87: ...dio files from USB flash drives on page 90 NOTE The names given to audio files depend on their channels Channels 1 16 TRACK01 TRACK16 Channels 17 18 19 20 TRACK17_18 TRACK19_20 MASTER MASTER If the file size exceeds 2 GB during recording a new file will be created automatically in the same proj ect and recording will continue without pause When this happens numbers like 01 and 02 will be added to ...

Page 88: ...NOTE Press to select deselect all files 3 Press 4 Use to selectYES and press NOTE Audio files cannot be deleted if protection is ON for their projects 87 ...

Page 89: ...s will be saved on the USB flash drive in the AUDIO subfolder of the ZOOM_L 20 folder MENU button MODE switch REC button USB HOST port Selection encoder POWER switch 1 Set to OFF 2 Connect the USB flash drive to the USB HOST port 3 Set to USB HOST 4 Set to ON 5 Select MENU PROJECT FILE EXPORT 6 Use to select a file to load and press 88 ...

Page 90: ...ile names space 0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R ST U V W XY Z _ a b c d e f g h i j k l m n o p q r s t u v w x y z Project file names cannot be only spaces 8 Press 9 Use to selectYES and press NOTE Never disconnect a USB flash drive when Please Wait appears on the display Audio files will be saved on the USB flash drive in the AUDIO subfolder of the ZOOM_L 20 folder 89 ...

Page 91: ...rs on the USB flash drive in advance Sav ing projects to USB flash drives on page 81 Only audio files inside the AUDIO folder can be im ported 1 Set to OFF 2 Connect the USB flash drive to the USB HOST port 3 Set to USB HOST 4 Set to ON 5 Select MENU PROJECT FILE IMPORT 6 Use to select a file to load and press NOTE Audio files cannot be imported from USB flash drives into projects that have protec...

Page 92: ...V files can be assigned to stereo channels Files cannot be imported to channels that already have files assigned to them When files are imported their file names will automatically be changed according to their import chan nels 8 Use to selectYES and press NOTE Never disconnect a USB flash drive when Please Wait appears on the display 91 ...

Page 93: ...ls total Installing the driver 1 Download the ZOOM L 20 Driver from www zoom co jp to the computer NOTE The driver is the same as the driver The latest ZOOM L 20 Driver can be downloaded from the above website Download the driver for the operating system that you are using 2 Launch the installer and install the driver Follow the instructions that appear on screen to install the ZOOM L 20 Driver NO...

Page 94: ...OTE Set to ON when connected to an iOS device When connecting to an iOS device use a Lightning to USB camera adapter or Lightning to USB 3 cam era adapter 4 Set the as the computer sound device NOTE The same driver is used as for the so select the driver on the computer Audio interface functions cannot be used when the sampling rate is set to 96 kHz 93 ...

Page 95: ...to a stereo channel Channel strip USB button 1 Tap CH17_18 or CH19_20 2 Tap in the toolbar 3 Tap for the stereo channel to use for input to turn it on The signal controlled by the channel is switched to the USB audio channel signal before EQ 94 ...

Page 96: ... be checked and copied MODE switch USB DEVICE port POWER switch 1 Use a USB cable to connect the to the computer 2 Set to CARD READER 3 Set to ON NOTE When operating as a CARD READER other functions and buttons cannot be used Moreover connection with L 20 Control is not possible 95 ...

Page 97: ...d in consideration of audio quality and file size 1 Select MENU REC PLAY REC FORMAT 2 Use to change the format and press HINT When overwriting a recording recording will occur at the bit depth of the original file For example a file recorded at 16 bit cannot be overwritten with 24 bit recording 96 ...

Page 98: ...ording can be set Setting the automatic recording start level 1 Select MENU REC PLAY AUTO REC REC START LEVEL 2 Use to change the start level and press Recording will start automatically when the level of the MASTER fader output signal exceeds the set level HINT This can be set from 48 to 0 dB 97 ...

Page 99: ...stop time and press HINT This can be set to OFF or between 0 and 5 seconds 3 Select MENU REC PLAY AUTO REC REC STOP LEVEL 4 Use to set the stop level and press Recording will stop automatically when the level of the MASTER fader output stays below the set level for the amount of time set in step 2 98 ...

Page 100: ...y that occurs during input and output is automatically com pensated for or not when OVERDUB is ON When automatic compensation is enabled the recording data is shifted by the amount of latency that oc curs during input and output Recording data 000 00 00 Time Latency Adjust OFF Latency Adjust ON Recording data Amount of latency that occurs during input and output 1 Select MENU REC PLAY LATENCY ADJU...

Page 101: ...st one will be played back REPEAT ONE single song repeat playback The selected project will be played repeatedly REPEAT ALL all song repeat play back All projects in the selected folder will be played repeatedly Changing the input signal recording source 1 Select MENU REC PLAY REC SOURCE 2 Use to select the recording source and press Setting Explanation PRE COMP Before compressor applied POST COMP...

Page 102: ...it ing performance from degrading Formatting SD cards Formatting SD cards for use with the 1 Select MENU SD CARD FORMAT 2 Use to selectYES and press NOTE Before using SD cards that have just been purchased or that have been formatted on a computer they must be formatted by the Be aware that all data previously saved on the SD card will be deleted when it is formatted Format an SD card before recor...

Page 103: ...one quickly while a full test examines the entire SD card Conducting a quick test 1 Select MENU SD CARD PERFORMANCETEST 2 Use to select QUICKTEST and press 3 Use to selectYES and press The card performance test will start The test should take about 30 seconds The result of the test will be shown when it completes 102 ...

Page 104: ... This information is just to provide guidance Conducting a full test 1 Select MENU SD CARD PERFORMANCETEST 2 Use to select FULLTEST and press The amount of time required will be shown 3 Use to selectYES and press The result of the test will be shown when it completes If the access rate MAX reaches 100 the card will fail NG 103 ...

Page 105: ... stop the test HINT can be pressed to pause or resume a test NOTE Even if a performance test result is OK there is no guarantee that writing errors will not occur This information is just to provide guidance 104 ...

Page 106: ...utton Selection encoder Display REC button 1 Select MENU SYSTEM DATE TIME 2 Setting the date and time Move cursor or change value Turn Select item confirm change Press 3 Press The first time the power is turned on after purchase the date time must be set 105 ...

Page 107: ...mute the send effect 1 Select MENU SYSTEM CONTROL IN 2 Use to select the setting and press Setting Explanation PLAY Press the footswitch to start stop playback Equivalent to PUNCH I O Use to control manual punching in out Equivalent to EFX1 MUTE Mute unmute send effect 1 EFX2 MUTE Mute unmute send effect 2 EFX1 2 MUTE Mute unmute send effects 1 and 2 106 ...

Page 108: ...ding to it at 96 kHz Without formatting first skipping could occur when recording When 96 kHz is selected some unit functions are limited The limited functions are as follows SEND EFX 1 2 disabled EQ disabled OVERDUB disabled Audio interface disabled MONITOR OUT output signal same as MASTER only 3 Set to ON NOTE The sampling rate cannot be changed during operation If a project is loaded that has a...

Page 109: ...o keep the power on at all times disable the automatic power saving function 1 While pressing set to ON 2 Use to select OFF and press NOTE This setting is saved in the unit Adjusting the display contrast 1 Select MENU SYSTEM DISPLAY CONTRAST 2 Use to select the setting and press HINT This can be set from 1 to 10 108 ...

Page 110: ...tings to factory defaults The factory default settings can be restored 1 Select MENU SYSTEM FACTORY RESET 2 Use to selectYES and press NOTE This does not reset mixer settings Resetting mixer settings on page 48 109 ...

Page 111: ...Checking the versions Checking the firmware versions The firmware versions can be viewed 1 Select MENU SYSTEM FIRMWARE VERSION This shows the firmware versions 110 ...

Page 112: ...Checking the L 20 Control version The application version can be shown 1 Tap This shows the application version 111 ...

Page 113: ... website www zoom co jp 2 Insert the SD card into the 3 While pressing set to ON 4 Press NOTE During the firmware update do not turn the power off or remove the SD card Doing so could cause the to become unstartable In the unlikely event that a firmware update should fail while in prog ress conduct the procedures from the beginning to update the firmware again 5 After the firmware update completes...

Page 114: ...connections When using a condenser mic turn on Confirm that the SIG indicators are lit green Confirm that is unlit Raise all the channel faders and the master fader and confirm that the level meters are lit Confirm that the MASTER is unlit or lit red Recorded audio is too loud too quiet or silent Adjust input gains and confirm that SIG indicators are lit green When using a condenser mic turn on Wh...

Page 115: ...data from an SD card confirm that is lit green Raise the faders on the playback channels and confirm that the level meters are lit The sounds of devices connected to input jacks are distorted Confirm that the SIG indicators are not lighting red If one is lighting lower its input gain can also be turned on Confirm that level meters are not lighting to their highest levels If a level meter is lighti...

Page 116: ...ase the buffer size Connect the directly to a USB port on the computer Do not connect it through a USB hub Turn the automatic sleep function and other computer power saving settings off Cannot play or record Confirm that the is connected to the computer correctly Confirm that the Sound setting of the computer being used is set to ZOOM L 20 Confirm that a ZOOM L 20 is selected for input and output ...

Page 117: ... 42 mW 42 mW 60Ω load Output impedance 100 Ω Buses MASTER 1 MONITOR 6 SEND EFX 2 Channel strip COMP LOW CUT 40 600 Hz 12 dB OCT EQ HIGH 10 kHz 15 dB shelving MID 100 Hz 8 kHz 15 dB peaking LOW 100 Hz 15 dB shelving PHASE Send effects 20 types Recorder Maximum simultaneous recording tracks 22 at 44 1 48 96 kHz Maximum simultaneous playback tracks 20 Recording format WAV 44 1 48 96 kHz 16 24 bit mon...

Page 118: ...or ballads with plate reverb TIME DECAY EFX 2 No Type Explanation Parameter knob 1 Parameter knob 2 Tempo synchro nization 1 Hall 3 Hall reverb that simulates an arena sized venue TONE DECAY 2 Room 2 Room reverb with coarse reflections TONE DECAY 3 Spring Spring reverb simulation TONE DECAY 4 Delay Digital delay with a clear tone TIME FEEDBACK 5 Analog Warm analog delay simulation TIME FEEDBACK 6 ...

Page 119: ...Y DATA 1 16 PC OUT 1 3 PC OUT 2 4 PLAY DATA 17 18 PLAY DATA 19 20 MASTER PLAY Metronome LEVEL REC DATA MASTER L to SD CARD REC DATA MASTER R to SD CARD PLAY DATA MASTER L PLAY DATA MASTER R FADER MODE MUTE MUTE MUTE MUTE REC PLAY MASTER FADER LOW CUT LOW CUT SOLO L SOLO D A PHONES SELECT PHONES SPEAKER SELECT PHASE PHASE SOLO R VOLUME D A D A D A D A D A SOLO EFX RETURN FADER EFX2 EFX2 MONITOR F L...

Page 120: ...ZOOM CORPORATION 4 4 3 Kanda surugadai Chiyoda ku Tokyo 101 0062 Japan www zoom co jp Z2I 3688 01 ...

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