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Rocktron Xpression, User Manual

The Rocktron Xpression offers musicians a wide array of premium effects and authentic amp modeling. Unlock the full potential of this versatile pedal by downloading the detailed User Manual for free from our website. Explore endless sonic possibilities and master your sound with ease!

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1. Introduction

Congratulations on your purchase of the Rocktron Xpression

™

 guitar and bass effects processor! The Xpression is an

easy to use, yet professional, multi-effects processor where 100% of the processing power is dedicated to producing rich,
lush effects and EQ for guitar and bass.  The Xpression is designed to maximize EFFECTS to be used with your favorite
preamp or amplifier, thus there are no distortion presets in the Xpression.  24-bit DSP processing via a Motorola DSP
engine provides a host of high quality digital effects, as well as a number of practical features for guitar and bass players.

• Selectable for Guitar and Bass - The Xpression can be used by guitar and bass players!  A built-in Hi-

Pass filter section before the effects processing chain allows the user to choose one of three frequency
(80Hz, 160Hz and 240Hz) cutoff points.  This allows lush effect mixing while maintaining everything
below the selected cutoff point to be left un-effected.  The result is effects that leave the bottom end tight
and punchy.

Example - when 160Hz Hi-Pass is selected, all signal content above 160Hz is passed into the effect processing
chain.  When the direct (original) signal is mixed back in with the effected signal using the Xpression’s mixer
section, the frequencies below 160Hz will remain virtually un-effected.

• Run up to 10 effects at once - The advanced processing power of the Xpression will allow you to run up

to 10 high quality effects at once.

• High quality digital effects include - Multi-voiced delay and chorus, multi-pitch shifting, tremolo,

flanger, reverb, phaser, auto-pan, rotating speaker, HUSH, compressor, speaker simulator, speaker model-
ing and mic position modeling

• Ultra transparent processing - the cleanest and most clear effects around.  Rocktron’s direct signal

routing allows for mixing the direct signal with the effected signal to reached the desired effect.

• Pre-loaded with 128 professional presets custom designed for guitar and bass

• Preset Spillover allows for reverb and delays from a current preset to carry over into the next preset and

continue decaying when a new preset has been selected.

• Real Time Control of delay times and modulation rates through tap tempo and rate parameters. Delay

times and modulation rates can be changed instantly by tapping the tap switch on the front panel or
through the use of the Rocktron All Access or MIDI Mate footcontrollers.

• HUSH

®

 noise reduction operates only on incoming preamp noise, and does not affect the digital effects -

which are already ultra quiet.

• Rocktron’s SIMBiotic

™

 EQ - is a custom designed EQ circuit providing the ultimate tool for tonal

shaping of your sounds.  It includes four band full parametric EQ and complete mixing capabilities.

• Speaker Simulator - allows you to record direct using your favorite preamp or amplifier.  You can also

use it to plug directly into a PA system (with your favorite preamp) - eliminating the need to carry a heavy
cabinet to the gig!

• Mic Position modeling - allows you simulate various speaker micing positions...ranging from placement

near the center of speaker cone out to the edge of the cone.  An excellent recording and live tool!

For a thorough explanation of the Xpression and all its features, please read this manual carefully and keep it for future

reference. After removing the Xpression from the box, save all the packing materials in case it becomes necessary to ship the
unit.

1

Summary of Contents for Xpression

Page 1: ......

Page 2: ...and that it should be immune from other sources of interference when properly used Improper use of this equipment could result in increased RF emissions which may or may not interfere with other electronic products To insure against this possibility always use good shielded cables for all audio input and output connections Also bundle audio cables separately from the AC power cables These steps wi...

Page 3: ...6 7 Operating the Xpression 39 Selecting a preset 39 Changing preset parameters 40 Storing changed preset parameters 40 Editing a preset title 41 Controller Assignments 43 Copying Xpression Presets Titles and Controller Assignments 47 Tap Delay 50 Program Changes 51 MIDI Channels 53 MIDI Dump Load 54 To dump a single Xpression preset into another Xpression 54 To dump a single Xpression preset into...

Page 4: ...peaker HUSH compressor speaker simulator speaker model ing and mic position modeling Ultra transparent processing the cleanest and most clear effects around Rocktron s direct signal routing allows for mixing the direct signal with the effected signal to reached the desired effect Pre loaded with 128 professional presets custom designed for guitar and bass Preset Spillover allows for reverb and del...

Page 5: ...DDITIONS TO THIS EQUIPMENT AT ANYTIME DO NOTTAMPER WITH INTERNALELECTRONIC COMPONENTS AT ANY TIME FAILURE TO FOLLOW THESE INSTRUCTIONS MAY VOID THE WARRANTY OF THIS EQUIPMENT AS WELLAS CAUSING SHOCK HAZ ARD POWER REQUIREMENTS This unit accepts power from the 9VAC 1 5A adaptor supplied with the unit This 9 volt RMS AC voltage is internally processed by a voltage doubler which generates a bipolar 15...

Page 6: ...ction STEP 3 Turn the PARAMETER SELECT control to the parameter you wish to alter under the selected effect or utility function STEP 4 Use the PARAMETER ADJUST control to select the new parameter value STEP 5 The COMPARE button may be used to compare the sound of the altered value to the stored value STORING CHANGED PARAMETERS STEP 6 After the desired parameters have been edited press the STORE bu...

Page 7: ...layed will cancel the previous altered value This will also occur if a MIDI control change is received while viewing the stored value s 6 PARAMETER ADJUST control This control is used to adjust the displayed parameter value When the parameter is altered from its stored value the LED above the STORE button will light until either a the new value is stored b a new preset is selected or c the paramet...

Page 8: ...her functions are displayed This will help you to guard against clipping the output of the mixer at the digital to analog converter 12 INPUT LEVEL control This control adjusts the unit s gain to match the signal level at the input of the Xpression Use the INPUT LEVEL meter to determine the setting of this control 13 OUTPUT LEVEL control and CLIP LED This control is used to adjust the overall outpu...

Page 9: ...e Rocktron MIDI foot controller to the MIDI IN jack on the rear panel of the Xpression This eliminates the need to find an AC outlet near where the footpedal would be placed during a performance or the need to run an extension cord out to the footswitch Instead of inserting the AC adaptor into the POWER jack of the footswitch as you would normally plug it into the PHANTOM POWER jack on the Xpressi...

Page 10: ...e chained together connected in series With more than 3 devices a slight distortion of the MIDI signal can occur due to signal degradation which can cause an error in MIDI signal transmission Should this problem arise a MIDI Thru box can be used which connects directly to the MIDI device which transmits MIDI information and has multiple connectors for the multiple devices receiving MIDI MIDI cable...

Page 11: ...PARTS INSIDE RISQUE DE CHOC NE PAS OUVRIR CAUTION CAUTION ROCKTRON BATTLE CREEK MI MODEL XPRESSION SERIAL Made in China for Rocktron Designed in the USA HUSH iIS A REGISTERED TRADEMARK OF GHS Corp Guitar Preamp back panel of xpression guitar Power amp Speaker Cabinets from mono output Guitar to input to Xpression mono input from left output from right output to channel 1 input to channel 2 input c...

Page 12: ...Using the Xpression in a preamp effects loop 9 ...

Page 13: ...Using the Xpression with a Guitar Amplifier Head 10 ...

Page 14: ...Using the Xpression with a Guitar Combo Amplifier 11 ...

Page 15: ...head Bass Head bass Cabinet from bass head to bass cabinet Using the Xpression with a Bass Amplifier Head 12 ...

Page 16: ...Using the Xpression with a Bass Amplifier Combo 13 ...

Page 17: ...Using the Xpression with a MIDI Footcontroller 14 ...

Page 18: ...Using the Xpression with a Phantom Powerable MIDI Footcontroller 15 ...

Page 19: ...t selection of available effects Classic configuration provides these effects HUSH Reverb Delay Parametric EQ Compression Phaser Flanger Tremolo Pitch Shift Chorus Speaker Simulator Rotary configuration provides these effects HUSH Reverb Delay Parametric EQ Compression Rotary Speaker Speaker Simulator Any of the effects provided within a particular configuration may be switched in or out for each ...

Page 20: ...Classic Configuration Block Diagram Block Diagrams 17 ...

Page 21: ...Rotary Configuration Block Diagram Block Diagrams 18 ...

Page 22: ...ou to first access each func tion via the FUNCTION SELECT control then the list of available parameters for the selected function via the PARAMETER SELECT control and finally the adjustable value for each parameter via the PARAMETERADJUST control Step 2 Turn to select a parameter within the selected function Step 1 Turn to select a function Step 3 Turn to alter the value of the selected parameter ...

Page 23: ... the Dry Path Selecting 80 HZ sends all frequency content above 80 HZ into the effects processing section Selecting 160 HZ sends all frequency content above 160 HZ into the effects processing section Selecting 240 HZ sends all frequency content above 240 HZ into the effects processing section The OUTPUT parameter determines whether the output of the Xpression is a stereo left and right signal or t...

Page 24: ...ECT parameter determines the level of the direct signal of the current preset at the right output The EFFECT LEVEL parameter determines the volume of the overall effect signal Chorus Flange Pitch Shift etc level The DRY PATH parameter determines whether the direct signal is routed around the effects section ANALOG or through the effects section DIGITAL When set to ANALOG the direct signal is not p...

Page 25: ...t level by 20dB would cause the output level to drop approximately 40dB i e 20dB of gain reduction In the absence of any input signal the expander will reduce the gain so that the noise floor becomes inaudible The HUSH circuit is located after the A D converter in the signal chain to reduce any noise generated from the guitar any guitar preamp and the A D converter This ensures a quiet input signa...

Page 26: ...pass the compressor The COMPRESSOR THRESHOLD parameter determines the input level in dB at which compression will begin Lower settings of this parameter will result in more compression The COMPRESSOR ATTACK parameter determines the speed in milliseconds at which the compressor will reach its maximum com pression level after the input signal has exceeded the threshold level set by the COMPRESSOR TH...

Page 27: ...e MID LEVEL parameter The MID BANDWIDTH parameter determines in octaves the width of the selected mid band The TREBLE LEVEL parameter allows you to cut or boost the high band frequencies by up to 15dB The TREBLE FREQUENCY parameter determines a high band center frequency between 1KHz and 8KHz to be cut or boosted via the TREBLE LEVEL parameter The TREBLE BANDWIDTH parameter determines in octaves t...

Page 28: ...ays and regeneration will not continue when the delay is switched out If the output were not muted signals that were input before the delay was switched out would be allowed to regenerate even after switching out the delay It is also possible to mute both the input and the output BOTH so that no signal enters or exits the Delay section until it is switched in The TIME1 parameter determines the mul...

Page 29: ...rameter determines the length of time in 10 milliseconds increments after the input signal that the Delay 2 signal will begin The DELAY TIME can be adjusted via the PARAMETER ADJUST control MIDI controller changes or via the Tap Delay feature The FINE 2 parameter allows for adjustment of Delay 2 in 1 millisec ond increments The DLY RGN 2 parameter determines how many times the Delay 2 signal is fe...

Page 30: ...RB DECAY parameter determines the length of time that the reverb signal will sound before it has completely died out The REVERB HIGH FREQUENCY DAMPING parameter is used to control the decay rate of high frequency information in the reverb signal Higher parameter settings will result in a faster decay of high frequency information The R SPILLOVER parameter determines whether reverbs generated in th...

Page 31: ...emolo The TREMOLO DEPTH parameter determines the amount of modula tion for the Tremolo signal Lower DEPTH settings produce more subtle tremolo effects while higher settings will result in a more extreme tremolo effect The TREMOLO RATE parameter determines the speed at which the tremolo signal modulates or increases and decreases in volume The SHAPE parameter determines the waveshape of the tremolo...

Page 32: ... depth of the phase shift effect Higher parameter settings result in the sweep of the filtering effect occurring over a wider frequency range The RATE parameter determines the speed at which the phase shifted signal is modulated The PHASER RESONANCE parameter adds feedback to the Phaser so that it has a more pronounced effect The PHASER STAGES parameter determines how many stages of phase shift ar...

Page 33: ...cts while higher settings will result in a more drastic effect The FLANGER RATE 1 parameter determines the speed at which Voice 1 is modulated The TIME1 parameter determines the multiplier by which a new modulation rate will be selected for the RATE 1 parameter when the Tap Delay feature of the Xpression is used See Section 7 page 50 Tap Delay for more information on the Tap Delay feature The FLAN...

Page 34: ...e the chorus effect Using shorter delay times will result in a tighter sounding chorused signal while longer delay times will produce a larger ambient effect The TIME 1 parameter determines the multiplier by which a new modulation rate will be selected for the RATE 1 parameter when the Tap Delay feature of the Xpression is used See Section 7 page 50 Tap Delay for more informa tion on the Tap Delay...

Page 35: ... volume The PITCH SHIFT PAN parameter allows you to pan the shifted signal to the left or right channel The PITCH parameter selects what harmony note the Xpression will produce based on the input note The value displayed for this parameter represents the number of cents that the signal will be shifted adjustable in 20 cent increments Each 100 cents or five 20 cent steps above or below 0 represents...

Page 36: ...One octave plus a Major 2nd One octave plus a minor 2nd 2 Octaves PARAMETER VALUE 1200 1100 1000 900 800 700 600 500 400 300 200 100 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 2400 NOTE There are 5 steps of the parameter adjust control between each of the intervals shown above each step equals 20 cents This allows for smooth pitch ch...

Page 37: ...active or bypassed for the current preset The SPEAKER TYPE parameter determines the type of speaker to be simulated 15 12 10 8 and full range speakers are available The MIC PLACEMENT parameter simulates a microphone placed anywhere from the center of the speaker cone out to the edge of the cone Positive parameter values simulate moving the microphone toward the center of the speaker while negative...

Page 38: ...meter determines whether the simulated speaker is rotating or not Select IN to engage the Rotary circuit Select OUT to bypass the circuit The ROTATION SPEED parameter determines how fast the speaker is rotating With the PARAMETER ADJUST control you can select a SLOW or FAST speed setting The ROTARY SPEAKER SLOW parameter sets the slow rotation speed The horn and rotor will rotate at slightly diffe...

Page 39: ...DELAY OUT 1 DLY PAN1 Functions and Parameter Ranges Guitar Bass 80 Hz 160 Hz 240 Hz Stereo Mono 10dB to 30dB Out In Out In to 6dB to 6dB to 6dB Analog Digital Direct 0 to 100 Effect Direct 0 to 100 Effect Direct 0 to 100 Effect Direct 0 to 100 Effect 0 to 127 Out In 90 to 27 In Out 30dB to 6dB 1ms to 75ms 05 to 2 seconds Out In 15dB to 15dB 63Hz to 500Hz 2 to 2 octaves 15dB to 15dB 250Hz to 2kHz 2...

Page 40: ...ATE 1 TIME1 FLN OUT 2 FLN PAN2 FLN DPTH 2 FLN RATE 2 TIME2 FLN REGEN Functions and Parameter Ranges 0ms to 1000ms 0ms to 9ms to 0dB to 0dB Left 0 to 100 Right 0ms to 1000ms 0ms to 9ms to 0dB Off On Muted Active Effect 0 to 100 Delay to 0dB 0 to 99 0 to 99 Off On Out In 0 to 100 0 to 254 Triangle Square 32nd 16th 8th Triplet or None Out In Left 0 to 100 Right 0 to 100 0 to 254 0 to 100 4 6 32nd 16t...

Page 41: ... ROTR SPK I O ROT SPEED R SPKR SLOW R SPKR FAST ROT SPK ACCEL ROT BAL CHORUS PITCH SHIFT SPEAKER SIMULATOR ROTARY SPEAKER Functions and Parameter Ranges Out In to 0dB Left 0 to 100 Right 0 to 100 0 to 254 2ms to 40ms 32nd 16th 8th Triplet or None to 0dB Left 0 to 100 Right 0 to 100 0 to 254 2ms to 40ms 32nd 16th 8th Triplet or None Out In to 0dB Left 0 to 100 Right 2400 to 1200 20 to 20 cents Slow...

Page 42: ...7 Operating the Xpression Step 1 Turn the PRESET control to the desired preset you wish to recall The selected preset will be recalled automatically Selecting a preset 29 PRESET TITLE 39 ...

Page 43: ...er the parameter value The LED above the STORE button will light indicating that the preset has had a parameter altered from its stored value REV DECAY 32 Step 3 Step 2 Step 4 The COMPARE button may now be pressed to compare the sound of the stored parameter value to the sound of the altered parameter value REV DECAY 59 Storing changed preset parameters Step 5 While viewing a function or parameter...

Page 44: ...racter Use the PARAMETER ADJUST control to select the desired character for the current position flashing decimal Turn the PARAMETER SELECT control clockwise to initiate the Title Edit mode Turning this control will also select the character location to be edited A flashing decimal will follow the character currently selected Editing a preset title TITLE EDIT 57 P RESET TITLE 57 MR ESET TITLE 57 M...

Page 45: ...hing STORED the Xpression will remain in the Title Edit mode You may either a turn the PRESET control to display and edit other preset titles without having to exit and re enter Title Edit or b turn the FUNC TION SELECT control to exit the Title Edit mode STORED Step 5 After all the characters have been edited as needed press the STORE button to save the new title memory The Xpression will flash S...

Page 46: ...is example the PITCH parameter will be at 200 while at its toe position it will be at 300 Up to ten controllers can be assigned for each individual preset Operating the Xpression Step 1 Step 2 To access the Controller Assign function turn the FUNCTION SELECT control clockwise to CONTROLLER ASSIG This parameter CTR A only also gives you the option of selecting ADJ When ADJ is selected the parameter...

Page 47: ...ST control to scroll through the available parameters for the current configuration Turn the PARAMETER SELECT control one step clockwise to display the parameter that is currently mapped to the CTR A control number After selecting the desired controller number press the STORE button to save the number for the CTR A parameter STORED will flash briefly on the display CTR A 7 STORED PA A BYPASS PA A ...

Page 48: ...nge from to 0dB yet you would like the range of the parameter to vary from only 12dB to 2dB you may set a lower limit of 12 and an upper limit of 2 via the Upper and Lower Limit parameters When a parameter is stored in the Controller Assign function Step 7 the maximum parameter value is automatically stored as the upper limit while the minimum value is stored as the lower limit Step 10 Step 11 LLI...

Page 49: ...the expression controller will provide the minimum value while the heel position will provide the maximum value Note Steps 1 13 can be repeated nine times for a total of 10 controllers To exit Con troller Assign at any time turn either the PRESET or FUNCTION SELECT control Only those changes that have been stored will be saved after exiting the Controller Assign function After selecting a value fo...

Page 50: ...on the left represents the preset to be copied while the number on the right represents the preset location to copy to Step 2 Operating the Xpression PR 4 TO PR 4 Use the PRESET control to select the desired preset to be copied PR 21 TO PR 4 Step 3 Preset location to copy to Preset to copy Use the PARAMETER ADJUST control to select the location to copy the selected preset into Step 4 PR 21 TO PR 5...

Page 51: ... PARAMETER SELECT or FUNCTION SELECT control to exit the preset copy function The preset has been copied to the new location but its title will be the title which was already at the new location STORED Copying preset titles Step 1 Turn the FUNCTION SELECT control to COPY COPY Turn the PARAMETER SELECT control two steps clockwise to access the TI XX to TI XX parameter as shown below The number on t...

Page 52: ...the right represents the preset location to copy those controller assignments to Step 2 Copying controller assignments CA 4 TO CA 4 Preset location to copy controller assgnments to Preset to copy controller assignments from Use the PRESET control to select the desired preset to copy controller assignments from CA 21 TO CA 4 Step 3 Use the PARAMETER ADJUST control to select the location to copy the...

Page 53: ...H one half of the time between taps 8TH two thirds of the time between taps TRIPLET equal to the time between taps or two times the amount of time between taps The maximum delay time the Xpression provides is 1000ms therefore the Tap Delay feature will automatically default to a lower TIME parameter value when the time between taps requires a delay time over 1000ms For example if the HALF setting ...

Page 54: ...ed from Rocktron at a one to one correspondance i e MIDI program 1 is mapped to Xpression preset 1 2 to 2 3 to 3 etc Step 2 Turn the PARAMETER SELECT control one step clockwise to display the current Program Change On Map Off status PROGRAM CHANGES PROG CHANGES ON Program Changes status options ON Execute MIDI program changes as received by a MIDI controller MAP Use mapping table when a program ch...

Page 55: ... MAP TO 120 Step 7 The number on the right of the display is the preset number to map to or the preset number that will be recalled when the MIDI program number on the left is received Turn the PA RAMETER ADJUST control to select the preset number to map to 14 MAP TO 112 The preset number to map to can also be set to OFF thereby not responding to that program change command Step 8 After selecting ...

Page 56: ... 1 Turn the FUNCTION SELECT control clockwise until the Xpression displays MIDI CHAN NELS MIDI CHANNELS Step 2 Turn the PARAMETER SELECT control one step clockwise to display the current MIDI Receive channel RECEV CHANL 1 Step 3 Turn the PARAMETER ADJUST control to select the desired MIDI channel You may select channels 1 16 OMNI all channels or OFF will not receive MIDI commands RECEV CHANL OMNI ...

Page 57: ...Operating the Xpression Connect a standard MIDI cable from the MIDI OUT of the transmitting Xpression to the MIDI IN on the receiving Xpression Step 1 IMPORTANT Do not allow a looping connection from the MIDI OUT THRU of the receiving Xpression back to the MIDI IN of the transmitting Xpression Step 2 Turn the FUNCTION SELECT controls on both the transmitting and receiving Xpressions until MIDI DUM...

Page 58: ...he STORE button on the transmitting Xpression The transmitting Xpression will display the preset number being dumped and DUMPED The receiving Xpression will display the preset location being stored to and RECEIVING while it receives and stores the preset parameters and title 122 RECEIVING 32 DUMPED After all the information for the dumped preset is stored the receiving Xpression will display LOADE...

Page 59: ...e sequencer s MIDI filter is set to accept SYSX information Connect a standard MIDI cable from the MIDI OUT of the transmitting Xpression to the MIDI IN on the receiving sequencer Step 1 Step 2 Turn the FUNCTION SELECT controls on the transmitting Xpression until MIDI DUMP LOAD is displayed Step 3 Turn the PARAMETER SELECT control on the transmitting Xpression until BULK DUMP LOAD is displayed MID...

Page 60: ...d 2 tap delay information string 255 contains program mapping information and string 256 contains miscellaneous information Contact Rocktron for information on how to receive a detailed MIDI spec XXX DUMPED TRANSMITTING XPRESSION Step 6 After the Xpression displays TRANS COMPLETE stop the sequencer The sequencer should have recorded all of the data that was dumped from the Xpression Keep this data...

Page 61: ...llow a looping connection from the MIDI OUT THRU of the receiving Xpression back to the MIDI IN of the transmitting sequencer Turn the FUNCTION SELECT controls on both the receiving Xpression until MIDI DUMP LOAD is displayed MIDI DUMP LOAD RECEIVING XPRESSION Turn the PARAMETER SELECT controls on the receiving Xpression until BULK DUMP LOAD is displayed MIDI DUMP LOAD RECEIVING XPRESSION Step 3 S...

Page 62: ...rors and XMEM ERROR for internal hardware errors Errors occurring in transmission does not indicate that all of the received data is corrupted Only the transmission string where the error occurred is corrupted When receiving a Bulk Load it is important that the data loaded to the Xpression is not transmitted faster than it was originally dumped from the Xpression If information is sent too fast to...

Page 63: ...RESTORE Step 2 Turn the PARAMETER SELECT control one step clockwise to RESTR 1 TO 1 The number on the left is the original factory preset number to be restored The number on the right is the preset location that the preset will be stored into RESTR 1 TO 1 Factory preset to be restored Preset location to store into Step 3 Turn the PRESET control to select the factory preset to be restored RESTR 98 ...

Page 64: ...ny number of errors other than 0 means that the Xpression may not have initialized properly and the process should be repeated CAUTION Pressing the STORE button at this time will overwrite the current preset with the displayed factory preset ERRORS 0 The Xpression will remain in this condition until the FUNCTION SELECT control is turned to exit the Factory Restore function The preset currently rec...

Page 65: ...l clockwise to FACTORY RESTORE FACTORY RESTORE Step 2 Turn the PARAMETER SELECT control two steps clockwise to ALL RESTORE 0 ALL RESTORE 0 Step 3 A specific code number must be entered to restore the Xpression memory Use the PARAM ETER ADJUST control to enter the number 243 ALL RESTORE 243 Operating the Xpression CAUTION This procedure will permanently erase all user presets 1 128 and replace them...

Page 66: ... of errors other than 0 means that the Xpression may not have initialized properly and the process should be repeated ERRORS 0 The Xpression will remain in this condition until the FUNCTION SELECT control is turned to exit the Factory Restore function The preset currently recalled will be the preset most recently restored into the current location The controller assignments for the Xpression can a...

Page 67: ...called each time the unit is turned on The Xpression allows you to store a Power On preset which will always be recalled when the unit is turned on 34 PRESET TITLE Press the STORE button while viewing the preset number and title to save it as the Power On preset PWR ON PR STORED Operating the Xpression 64 ...

Page 68: ...ve for the current preset CONFIG SELECT Operating the Xpression Step 2 Turn the PARAMETER SELECT control to access the XXXXXXX SELECTED parameter Step 3 Turn the PARAMETER ADJUST control to select the desired configuration ROTARY SELECTED Step 4 Press the STORE button to save the selected configuration STORED will flash briefly on the Xpression display STORED CLASSIC SELECTED 65 ...

Page 69: ...RRECTLY MIDI SYSTEM EXCLUSIVE INFORMATION WAS NOT RECEIVED CORRECTLY OR STORED CORRECTLY Corrective Action MAKE SURE EEPROM IS TIGHT IN SOCKET MAKE SURE WITHIN CORRECT OPERATING TEMPERATURE DISCONNECT MIDI CORD AT MIDI IN OF TRANSMlTTING XPRESSION BULK LOAD WAS TRANSMITTED TOO FAST CHECK SUM BYTE WAS NOT CORRECT DATA STRINGS NOT CORRECT LENGTH DATA STRINGS OUT OF ORDER MAKE SURE EEPROM IS TIGHT IN...

Page 70: ...EM COMMON SYSTEM REAL TIME AUXILIARY MESSAGES TRANSMITTED 1 16 1 16 X X X X X X X X X X O O X X X X X X X X X RECOGNIZED 1 16 1 16 X X X X X X X X X O O O X X X X X X X X X REMARKS May be saved in non volatile memory For Bulk Dump Load and Preset Dump Load Xpression Actual MIDI program value sent is 0 127 corresponding to presets 1 128 Optional implementation of program mapping also available The ...

Page 71: ...22Hz to 22kHz bandwidth Direct Level 6dB Digital Effects Level TECHNICAL DATA Technical Data MEASUREMENT Maximum Input 20dBu Maximum Output 20dBu Nominal Input Range 4dBu to 16dB Headroom 21dBu Input Impedance 470K ohms Output Impedance 120 ohms Dynamic Range 104dB HUSH IN 94dB HUSH OUT THD N 009 Dry Frequency Response 10Hz to 100kHz 25 2dB 10Hz to 30kHz 25dB Wet Frequency Response 20Hz 16 1kHz 3d...

Page 72: ...All Tube MIDI Switchable Vendetta Combo 100W 2x12 Combo Celestion 90s all Tube 4 Channel MIDI Switchable R80DSP 80W 1x12 Amp w Digital Effects RT80 80W 1x12 Amp w Reverb Built in Tuner R120DSP 120W 2x10 Amp w Digital Effects R120C 120W 2x12 Amp w Stereo Chorus and Reverb RT122C 120W 2x12 Amp w Stereo Chorus Reverb Chromatic Tuner R50DSP 50 Watt 2x8 Guitar Amp w Digital Effects R50C 50 Watt 2x8 Gui...

Page 73: ...Notes ...

Page 74: ...Notes ...

Page 75: ...Notes ...

Page 76: ...tion 2813 Wilber Ave Battle Creek MI 49015 USA Tel 1 269 968 3351 Fax 1 269 968 6913 Email info rocktron com www rocktron com Rev 2003 1 482003 Suggested MIDI Footcontrollers Rocktron All Access Rocktron MIDI Mate Rocktron MIDI XChange ...

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