GS-8 Manual - Kenton Electronics
Contents
1. GS 8 MIDI Guitar Effects Switcher User Instructions I nt rod u ct i O n By Arthur Dick session guitarist At last an affordable unit which enables you to control all your effects pedals and MIDI as well as amplifier switches channel overdrive graphic etc without having to do a tap dancing routine each time a new sound is required The GS 8 is wonderfully flexible allowing you to tailor make your own system it is the key to managing your guitar sounds No more signal loss either when a circuit is not enabled the signal path is clear For playing live or in a studio the GS 8 makes your set up work for you freeing you to get on with your playing If this was a household appliance every home should have one Setting Up MIDI Connections The GS 8 must be connected to your MIDI set up Using a standard MIDI cable connect one end into the MIDI Out of your MIDI effects processor or other MIDI device and plug the other end into the MIDI In of the GS 8 Connect the MIDI Thru on the GS 8 to the MIDI In of any other MIDI device if necessary Pedal Loop Connections Connecting your guitar and amplifier Connect the output from your guitar to the input FROM GUITAR on the GS 8 Connect the output AUDIO TO AMP on the GS 8 to your amplifier or mixer To connect each pedal to the GS 8 Connect the pedal output to the input FROM PEDAL 1 on the GS 8 and connect the pedal input to the output TO PEDAL 1 on the GS 8 Do the2. will be displayed to indicate the upper 64 bytes have been dumped Note when dumping Sysex from the front panel the Thru socket is automatically switch to an Out then back to a Thru after the data has been sent Note 2 it advisable not to send the GS 8 any MIDI data whilst performing a Sysex dump from the front panel better still disconnect the cable plugged to the MIDI In socket Controller Numbers Controller Number Decimal Hex 0 OOH 1 01H 2 02H 3 03H 4 04H 5 05H 6 06H 7 07H 8 08H 9 09H 10 OAH 11 OBH 12 15 OC OFH 16 19 10 13H 20 31 14 1FH 32 63 20 3FH 64 40H 65 41H 66 42H 67 43H 68 44H 69 45H 70 79 46 4FH 80 83 50 53H 84 90 54 5AH 91 5BH 92 5CH 93 5DH 94 5EH 95 5FH 96 60H 97 61H 98 62H 99 63H 100 64H 101 65H 102 120 66 78H 121 127 79 7FH Control Function Bank switch MSB Modulation wheel lever Breath controller Undefined Foot controller Portamento time Data entry MSB Main volume Balance Undefined Pan Expression controller Undefined General purpose controllers 1 4 Undefined LSB for values 0 31 Damper pedal sustain Portamento Sostenuto Soft pedal Undefined Hold 2 Undefined General purpose controllers 5 8 Undefined External effects depth Tremolo depth Chorus depth Celeste detune depth Phaser depth Data increment Data decrement Non registered parameter number LSB Non registered parameter number MSB Registered parameter number LSB Registere
3. be lit Sticky keys If a patch has been changed and the red dot in the centre of the display is lit you will notice it will take two presses of the PATCH CHAN key to change to Channel System Settings Mode This sticky key function is so that the GS 8 remains in Patch Edit Mode if the PATCH CHAN key is pressed and held to store the edited patch settings The pedal loopers 5 and 6 can be configured to be foot switchers in this mode as previously described although this should not be necessary once you have configured your set up The foot switchers A and B can be changed from normal to momentary foot switch configuration as previously described but once again this should not be necessary once you have configured your set up These settings are not stored when an edited patch is stored As these are system settings you must be in Channel System edit mode orange CH LED lit to store the changes 3 Controller Assignment Mode This is an advanced programming mode is for those who wish to control each of the pedal loops and amplifier foot switches individually as opposed to all at once within a patch from their sequencer or other MIDI device Each device can be activated by its own MIDI controller or several MIDI controllers at once This mode is not likely to be used live by a guitarist but used within a studio or home set up being controlled by a computer sequencer To enter this mode you must press and hold the PA
4. show the current MIDI channel number 1 to 16 The system settings consist of MIDI channel Whether foot switch control AMP A is a normal or momentary type control Whether foot switch control AMP B is a normal or momentary type control Whether Pedal Loop 5 is configured as a foot switch control Whether Pedal Loop 6 is configured as a foot switch control Editing the MIDI channel To edit the MIDI receive channel number use the and keys If you press and hold the key then also hold the gt key the channel number will increase faster If you press and hold the gt key then also hold the key the channel number will decrease faster If you try to go past 16 the channel number will wrap round back to channel 1 The opposite also applies Changing foot switches from normal to momentary type To change the foot switch outputs AMP A and AMP B from normal to momentary press and hold the AMP A B keys till the orange LED by MOMentary lights To change to output back to a normal foot switch control again press and hold the AMP A B key till the LED is off Changing pedal loops 5 or 6 to foot switch controls To change pedal loop number 5 and 6 to act as foot switch controls press and hold the PED 5 6 AMP C D keys till the yellow LED by AMP lights To change back to pedal loopers again press and hold the key till the LED is off If you change any of the system settings you will see a red dot ap
5. 127 Note that no values above 128 are used Select a patch number from 1 to 128 by pressing the and keys If you press and hold the key then also hold the key the patch number will increase faster If you press and hold the key then also hold the key the patch number will decrease faster If you try to go past 128 the patch number will wrap round back to patch 1 The opposite also applies As you change patches you will see the orange LEDs turn on or off indicating which effects pedals or foot switches are active The relays will not actually switch i e the patch will not physical change your set up till you release the or gt key This is to stop the relays from frantically trying to switch as you scroll through patches to get to the one you need When you release either the or gt key you will hear the relays click changing your set up Editing patches You can manually switch on or off any of the pedal loopers or foot switches by pressing the relevant keys If you change any of the patch settings you will see a red dot appear in the centre of the display This shows that one or more of the settings has been edited and not yet stored By changing the settings back to their original values the dot will disappear now indicating the patch is unaltered Storing patches To store the patch settings press and hold the PATCH CHAN key till the display reads st The yellow PAT LED will
6. 2 Oyyyyyyy 13 000000zz where xxxxxxx the lowest 7 bits of the CRC where yyyyyyy the middle 7 bits of the CRC where zz the highest 2 bits of the CRC 14 F7h end of exclusive ddd 100 switch Thru to Thru 7 F7h end of exclusive Restores the MIDI Thru socket to a Thru of the incoming data ddd 101 switch Thru to Out 7 F7h end of exclusive Switches the MIDI Thru socket to become a MIDI Out Note that no incoming MIDI is transmitted via the Thru socket once this command has been accepted ddd 110 direct system control 7 controls the system directly as follows 00h Bypass off 20h Bypass on Oth Pedal 1 off 02h Pedal 2 off 03h Pedal 3 off 04h Pedal 4 off 05h Ped 5 Amp D off 21h Pedal 1 on 22h Pedal 2 on 23h Pedal 3 on 24h Pedal 4 on 25h Ped 5 Amp D on 06h Ped 6 Amp C off 07h Amp B off 08h Amp A off 09h Set Pedal 5 as Pedal OAh Set Pedal 6 as Pedal OBh Set Amp B as Latch OCh Set Amp A as Latch ODh Set display to Patch 26h Ped 6 Amp C on 27h Amp B on 28h Amp A on 29h Set Pedal 5 as Amp 2Ah Set Pedal 6 as Amp 2Bh Set Pedal B as Mom 2Ch Set Pedal A as Mom 2Dh Set display to Chan 30h Store front panel patch settings in current patch 31h Store system settings MIDI channel Mom Amp status only Note that for GS 2 A B amp B A 8 F7h end of exclusive Gen
7. TCH CHAN key whilst switching on the GS 8 The display will then read Cn letting you know you are in Controller Assignment Mode The orange LED s for each pedal or amp control will let you know if any of them have a MIDI controller assigned to them At this point the controllers can be de activated but not activated from the loops switches by pressing the relevant key for that loop switch Assigning MIDI controllers to each of the Loop Switches There are 121 0 to 120 MIDI controllers to choose from in MIDI Press the or gt keys to select a controller from 0 to 120 Numbers above 99 are displayed in the same ways as patch numbers previously described If you press and hold the key then also hold the gt key the controller number will increase faster If you press and hold the gt key then also hold the key the controller number will decrease faster If you try to go past 120 the controller number will wrap round back to controller 0 The opposite also applies A quick way to call up the controller you wish to assign is to move that controller on your synth or send controller data from your sequencer The GS 8 will then display that controller number and then assignments can be made as described below Once a controller has been selected press any of the pedal or amp Switch keys to assign the selected MIDI controller to that Loop Switch More than one controller at a time can be assigned to any number
8. cks you will see six two pin connectors each covered with a black jumper On the circuit board they are labelled LK1 to 6 When you buy the GS 8 the jumpers will be plugged across the two pins 4 Removing this jumper exposing the two pins will remove the ground connection 5 Replace lid and screws Example Set Ups These are only suggestions The GS 8 has 6 effects loops all of which can be configured to be switchers and two amplifier switches Any combination of these can be utilised depending on what works best for your rig Basic Default Configuration The following diagram shows what the GS 8 can control Guitar Amp Audio in Effects pedals upto 6 Effects loops send return x 6 To foot switch inputs e g Overdrive and EQ on off x 2 upto 8 by using loops Switch control outputs A amp B Guitar Audio In Audio out to Amplifier May go thru Digital effects first MIDI In MIDI Thru MIDI In MIDI out MIDI pedal board Amplifier A B switching To switch the guitar plus effects between two or more amplifiers Guitar Amp A Guitar Amp B Effects pedals upto 4 Effects loops send return x 4 Audio In Audio In Loop send 5 Loop send 6 Guitar Audio In gt MIDI In MIDI Thru MIDI In MIDI out MIDI pedal board Multiple Guitar Set ups Several Guitars each with their own sound timbre can be plugged into you
9. d parameter number MSB Undefined Reserved for channel mode messages Specifications Power 240V 50Hz Note The GS 8 has a built in mains transformer factory set to 240 volts AC 50Hz unless otherwise marked The transformer also has tappings for 220 120 110 volts AC but these adjustments must only be made by qualified service personnel There are two internal fuses fitted but replacement of these should also be confined to qualified service personnel Inputs 12 push buttons 1 power switch MIDI In 5 pin DIN type Power input IEC power socket Guitar input 1 4 jack 6 pedal loop inputs 1 4 jacks Outputs 15 LED indicators 2 digit 7 segment display MIDI Thru Out 5 pin DIN type Audio output 1 4 jack 6 loop outputs configurable as switches 1 4 jacks 2 foot switches 1 4 jacks Note all jack sockets are mono type Accessories IEC power lead User manual Warranty The GS 8 comes with a 12 month from purchase date back to base warranty i e customer must arrange and pay for carriage to and from Kenton Electronics The GS 8 must be returned to us in its original packaging as we will not accept responsibility for damaged caused in transit by insufficient packaging Written by Tom Carpenter XAI electronics 12 Tolworth Rise South Surbiton Surrey KT5 9NN UK Tel 44 181 337 0333 Fax 44 181 330 1060 e amp 0 e c december1994 a d
10. eral Notes A Following an information request ddd 010 and assuming the MIDI Thru socket is switched as an Out ddd 101 the GS 8 will save the memory area specified formatted as per a dump ddd 011 B The CRC is calculated from the number of bytes byte 8 onwards Since both of the patch memory areas are of the same length it is possible to modify where the patch data is loaded by changing byte 7 l e you can load the high patches to the lower memory area or vice versa If 7 00 load low area if 7 01 high area The system data is of a different length and will only load as stored C Patch data is loaded saved to from EEPROM only To access a new patch you must change it System data controller assignments MIDI channel and MOM AMP status are all updated on completion of a successful load operation System Exclusive Dumping Sysex MIDI data dumps can be controlled from the front panel First make sure any patch or system changes have been stored by pressing and holding PATCH CHAN button till St is displayed Now when you press and hold the PATCH CHAN button Sd is displayed Sysex dump Note you must continue to hold down the PATCH CHAN button whilst performing the following two functions To send bytes 1 64 press gt button SL will be displayed to indicate the first lower 64 bytes have been dumped To send the remaining bytes 65 128 press the button Su
11. formation request if ddd 011 memory request if ddd 100 switch Thru to Thru if ddd 101 switch Thru to Out if ddd 110 direct system control Note that the unit must be set to channel nnnn for any ddd to have effect ddd 000 set system parameters 7 o000nnnn where nnnn the new MIDI channel 8 0000AB65 where 5 amp 6 set out 5 amp 6 to AMP where A amp B set amp A amp B to MOM Note that all bits are active high 9 F7h end of exclusive ddd 001 set output relays 7 00004321 where 4321 out 4 3 2 amp 1 8 OOOOABE65 where AB65 amp A amp B out 6 amp 5 Note that all bits are active high 9 F7h end of exclusive ddd 010 information request 7 000000bb where bb memory area valid 00 patch data 01 64 01 patch data 65 128 02 controller assignment amp system set up 8 F7h end of exclusive Note that the GS 8 saves the area requested via the MIDI Thru socket The Thru socket must be switched to Out ddd 101 prior to any information request or this command is ignored ddd 011 memory dump 7 000000bb 8 OOyyyyy where bb memory area as per info request where yyyyy number of bytes 9 0000xxxx 10 0000zzzz where xxxx low 4 bits of data where zzzz high 4 bits of data Note that bytes 9 amp 10 are repeated the number of times specified in 8 11 OXXXXXXX 1
12. from the mains unplug it 2 Remove the top cover Do this by undoing the six screws on top and three on each side 3 If you look inside by each pair of Loop jacks 1 to 4 you will see a three pin connector with a black jumper covering two of the pins On the circuit board it is labelled OUT 1 or 2 3 4 When you buy the GS 8 the jumpers will be plugged across the pins marked PEDal and LinK7 or 8 9 10 pedal loops 1 to 4 respectively This means this pair of jacks are configured as pedal loops 4 To configure a pedal loop as a foot switch control move the jumper so it is covering the pins marked AMP and LinK7 or 8 9 10 pedal loops 1 to 4 respectively The pedal loop is now configured as a amplifier foot switch control Use the TO PEDAL 1 or whichever loop you have changed to control the foot switch input 5 Replace lid and screws Ground Lifting Should the need arise to remove the ground connections of pedal loops or foot switches to eliminate ground loops for example refer to the following instructions Please read the following very carefully If you have any doubt whatsoever contact Kenton Electronics before proceeding If the procedure is followed correctly there will be no reason for any damage to be caused resulting in a void warranty 1 Isolate the GS 8 from the mains unplug it 2 Remove the top cover Do this by undoing the six screws on top and three on each side 3 If you look inside near the ja
13. of pedal or amp Switches Storing Controller Assignments If you change any of the controller assignments you will see a red dot appear in the display This shows that a setting has been edited and not yet stored If a device has a controller assigned to it any new assignment will cancel the original controller To store the controller assignments press and hold the PATCH CHAN key till the display reads st The GS 8 will now go to normal Patch mode Using MIDI controllers to activate Loops and Switches To activate a Loop or Switch a MIDI controller message must be sent to the GS 8 The controller must be sent on the same MIDI channel as the GS 8 is set to and be the correct controller number assigned to the Loop Switch A controller value over 65 activates the Loop Switch and a value below de activates it See Controller Numbers section later in manual for a list of controller use Configuring Loops 1 to 4 as Foot Switchers Should you need more foot switch controls than the two provided as standard and the two that can be configured from the front panel loops 5 and 6 then any of the remaining four effects loops 1 to 4 can be configured as foot switches Please read the following very carefully If you have any doubt whatsoever contact Kenton Electronics before proceeding If the procedure is followed correctly there will be no reason for any damage to be caused resulting in a void warranty Te Isolate the GS 8
14. pear in the centre of the display This shows that one or more of the settings has been edited and not yet stored If you revert which ever setting s changed back to their original value the dot will disappear Storing system settings To store the system settings press and hold the PATCH CHAN key till the display reads st Sticky keys If a channel or system setting has been changed and the red dot in the centre of the display is lit you will notice it will take two presses of the PATCH CHAN key to change back to patch edit mode This sticky key function is so that the GS 8 remains in Channel System edit mode if the PATCH CHAN key is pressed and held to store the channel or system settings 2 Patch Edit Mode Selecting patches To be in patch edit mode the green PATch LED must be lit If the CH LED is lit press the PATCH CHAN key The display will now show the current patch number 1 to 128 As the GS 8 only has a two digit display a special method is employed to display numbers larger than 99 When displaying numbers above 99 the following format is used a dash at the bottom of the left hand display 100 a dash in the middle of the left hand display 110 adash at the top of the left hand display 120 For example supposing the display reads 7 if the dash is at the bottom this means 107 if the dash is in the middle this means 117 if the dash is at the top this means
15. r rigged then you can select which you want to play ideal for live use where you want to use a different guitar for each song or section Guitar Amp Effects pedals Audio In Guitar A To foot switch inputs e g Guitar B eee Overdrive and EQ on off x 2 Guitar C Effects loops returns l 2 amp 3 Effects loops send return x 3 Switch control outputs A amp B Audio out to Amplifier MIDI In May go thru Digital effects first MIDI Thru MIDI In MIDI out MIDI pedal board Parallel Processing Allows you to have two audio paths for processing Guitar Amp A Distortion Audio In Send 1 Return 4 Audio out Guitar Audio In MIDI In MIDI Thru MIDI In MIDI out MIDI pedal board Parallel Processing Allows you to have two audio paths for processing Guitar Amp A Distortion Chorus Audio In Send 1 Return 4 Audio out Guitar Audio In MIDI In MIDI Thru MIDI In MIDI out MIDI pedal board GS 2 8 System Exclusive Information The first five bytes are always the same for all data types 1 FOh Sysex command 2 00h Company identity first byte 3 20h Company identity second byte 4 13h Company identity third byte 5 11h Product code 6 Odddnnnn where nnn MIDI channel amp ddd data type if ddd 000 set system parameters if ddd 001 set output relays if ddd 010 in
16. same for each of your other pedals to each pair of pedal connections on the GS 8 To connect the GS 8 to the foot switch inputs Connect the outputs TO AMP A B to the foot switch inputs on your amplifiers or A B amp switcher box If pedal loops 5 or 6 have been configured as foot switch controls use the TO PED 5 6 AMP D C output to control the foot switch input The Three Edit Modes Switching On When you first switch on the GS 8 it will momentarily display the software version number then revert to Patch Edit Mode displaying the current patch number default patch 1 Loading factory defaults If the unit is switched on whilst holding down both the and keys the display will read Fd indicating that the GS 8 has been reset and the factory defaults loaded into the memories The GS 8 has two edit modes as indicated by the LED bars PATCH CHANnel When the green LED next to PATched is on the GS 8 is in patch edit mode When the yellow LED next to CHannef is on it is in Channel System edit mode There is a third special edit mode called Controller Assignment Mode which is described later in the manual A red dot will flash on the right of the display to indicate when the GS 8 is receiving MIDI data except MIDI clock messages 1 Channel and System Settings To be in Channel edit mode the yellow CHannel LED must be lit If the PATch LED is lit press the PATCH CHAN key The display will now
Download Pdf Manuals
Related Search