Yamaha AG-Stomp manuale d’uso

Owner’ s Manual[...]

2 1. IMPORTANT NOTICE: DO NOT MODIFY THIS UNIT! This product, when installed as indicated in the instructions contained in this manual, meets FCC requirements. Modifications not expressly approved by Yamaha may void your authority, granted by the FCC, to use the product. 2. IMPORTANT: When connecting this product to accessories and/or another produ[...]

3 WARNING- When using any electrical or electronic prod- uct, basic precautions should always be followed. These precau- tions include, but are not limited to, the following: 1. Read all Safety Instructions, Installation Instructions, Special Message Section items, and any Assembly Instructions found in this manual BEFORE making any connections, in[...]

4 Thank you for pur chasing the Y AMAHA A G-Stomp Acoustic Guitar Pr e-Amplifier . Befor e you use the A G-Stomp, we ur ge you to take the time and r ead this Owner’s Manual car efully in or der to get the most out of the de vice’ s many functions and to ob- tain maximum life. Also, after reading the manual, please keep it in a safe place for f[...]

5 Precautions • Avoid using the AG-Stomp in the following locations to prevent possible damage: • In direct sunlight or next to heating equipment. • In extremely cold or hot locations. • Locations exposed to high humidity or excessive dust. • Locations subject to strong shocks or vibration. • Before making any connections, make sure tha[...]

6 Nomenclature ■ T op Panel ● Display & Main Section e MANU AL Button Independent of the selected patch’s settings, this button changes the tone to that produced by the settings determined by the current position of each of the knobs. The button’s lamp will flash if the patch’ s setting is changed. Press the [MANUAL] and [UTILITY] but[...]

7 ui o ! 0 !1 !2 Nomenclature ● Effect Section (Refer to the [Eff ect Functions and Parameter s] section on pag e 21) !3 LIMITER Button Switches the Limiter ON (lamp lit) or OFF (lamp off). !4 LEVEL Adjusts the depth of the Limiter ’s effect. T urn to the right to increase the depth of the effect. * When set to “0”, the Limiter will produce[...]

8 Nomenclature !9 SPEED/TIME Contr ol Chorus effect: Sets the speed of the Chorus. Delay effect: Sets the Delay time. @0 DEPTH/FEEDB A CK Control Chorus effect: Sets the depth of the Chorus ef fect. Delay effect: Sets how long the delay will repeat. @1 LEVEL Chorus effect: Sets the volume level of the Chorus effect. Delay effect: Sets the volume le[...]

9 Nomenclature ■ Rear P anel @6 P ower Switch (ST AND-BY ON/OFF) This is the unit’s power switch. * T o protect the speaker s, always set the OUTPUT knob !1 to “0” before s witching the power ON/OFF . @7 P ower Adaptor Jack (A C IN 12V 1A) Connect the supplied power adaptor to this jack. * Never use a power adaptor other than the supplied a[...]

10 Connections ■ Connecting a Mixer or Amplifier 1. Use the supplied TRS-XLR converter cable to convert the AG-Stomp’s outputs (balanced TRS) to bal- anced XLR outputs. 2. Use a commercially available P A type TRS phone cable, to connect the AG-Stomp’s output jack to the balanced inputs of a mixer , power amplifier , etc. 3. When a monaural p[...]

11 ■ Connecting Headphones Connect a pair of headphones to the AG-Stomp’s PHONES jack (standard stereo) for monitoring the AG-Stomp while practicing privately . Use the OUTPUT knob to adjust the volume of the headphones. * Even when headphones are connected to this jac k, the audio signal is delivered fr om the OUTPUT Jac k and DIGIT AL OUT Jac[...]

12 Using the AG-Stomp First, connect your guitar to the A G-Stomp and try to g et some sound. OFF ( ) ■ Connecting the Guitar Before making any connections, make sure the AG-Stomp’s power is off, set the AG-Stomp’s OUTPUT knob to “0” and the +9V SUPPL Y switch to “OFF”. Then connect the INPUT jack on the rear panel to the guitar ’s [...]

13 ■ Produce Sound 1. After confirming that the OUTPUT knob is set to “0”, press the Power Switch (ST AND-BY) ON ( ). Switching the P ower Switch ON when the OUTPUT knob is turned up may result in dama ge to devices such as the amplifier , speaker , headphones, etc., or cause unexpected accidents like damage to your hearing due to high v olum[...]

14 ● Changing Effect Settings T ry switching each of the Effect Blocks ON/OFF or try changing the effect. Also, try rotating knobs for each of the effects to change the character of the effect. The AG-Stomp’ s effects section is divided into the following three blocks. • Limiter (LIMITER) • Chorus/Delay (CHORUS/DELA Y) • Reverb (HALL/ROOM[...]

15 Using the AG-Stomp ● Setting the Mic Simulator The Mic Simulator is a specially designed circuit that adds to an electric/acoustic guitar , the special charac- teristics created when miking an acoustic guitar . It adds the airiness, which is found when a microphone is placed in front of the guitar ’s sound hole. The Mic Simulator is useful w[...]

16 Using the AG-Stomp ● Feedback Reduction The AG-Stomp is equipped with a Feedback Re- duction Function to prevent feedback. Feedback is caused when a certain frequency or frequencies of the amplified sound causes the gui- tar to resonate thereby being re-amplified until a steady howl or whistle is heard. The AG-Stomp prevents feedback from occu[...]

17 ■ Selecting Patc hes The AG-Stomp holds a total of 60 patch programs (patch) in its internal memory . The 60 patches are divided into two areas, ten banks and three patches. • AREA There are two areas, the USER AREA and the PRESET AREA . Data in the USER AREA (30 patches) can be freely rewritten using the STORE operation. Data in the PRESET [...]

18 ● Using the Footswitc hes and Bank Switch • Press a Footswitch (1-3) to select the corre- sponding patch number 1-3 in the currently se- lected bank. * If the F ootswitch’ s function is set to “ EFF ” in the Utility Mode, it will not be possible to dir ectly select a patch with the F ootswitch. ( → page 24) • Press and hold the BAN[...]

19 Using the AG-Stomp ■ Storing P atches After editing or creating an original patch, your set- tings can be stored in the USER AREA (U01-U93). T ry creating an original patch and store it. ● Storing Procedure 1. Press the [STORE] button. When the Store Mode is entered, the display , the STORE lamp and the Footswitch lamp that cor- responds to [...]

20 Using the AG-Stomp ● Using the A G-Stomp Without Patches The [MANUAL] button gives you direct control of the AG-Stomp’s parameters and ef fects when patches are not used. Press the [MANUAL] button to enter the Manual Mode (the lamp will light). In this mode, the tone produced by the AG-Stomp is determined by the current position of all knobs[...]

21 Limiter ● LIMITER The Limiter prevents the input signal from exceed- ing a preset level (peak). • LEVEL Knob Rotate the knob to the right to increase the amount of the Limiter ’s effect. When set to “0.0”, the Limiter will have no effect. Feedback Reduction The AG-Stomp provides a total of five Notch Filter circuits that can be used to[...]

22 External Control Settings • A.Pr : Post pre-amp volume • A.rE : Post reverb volume • bAS : T one Control (BASS) • mid : T one Control (MIDDLE) • trE : T one Control (TREBLE) • PrE : T one Control (PRESENCE) • Lmt : Limiter Level • SPd : SPEED/TIME settings for the Cho- rus/Delay Effects • dPt : DEPTH/FEEDBACK settings for the C[...]

23 T uner Mode • If the pitch is low , the FEEDBACK REDUCTION 1 and 2 lamps will light while the FEEDBACK REDUCTION 3 lamp flashes. If the pitch is high, the FEEDBACK REDUCTION 4 and 5 lamps will light while the FEEDBACK REDUCTION 3 lamp flashes. Finely tune the note until only the FEEDBACK REDUCTION 3 lamp lights, then tuning is com- plete. (At [...]

24 Utility Mode The Utility Mode is used for the A G-Stomp’ s overall system settings for things suc h as the foots witch, MIDI, e xternal controller s, EXP . PEDAL jac k, etc. * In the following section, the abbr eviation [FR 1] b utton refers to the [FEEDBA CK REDUCTION 1] button, etc. ■ About the Utility Mode When in the Play Mode, press the[...]

25 Press the [LIMITER] button to set the receiving MIDI PRG No. Use the [UP]/[DOWN] buttons to select the number . • 1 - 128 : MIDI Program Change No. Press the [FR 1] button to set the AG-Stomp’ s patch number . Just as in selecting a patch number in the Play Mode, use the [UP]/[DOWN] buttons or the Footswitches to select. • U01 - U93 , P01 [...]

26 carry out the MIDI Bulk Out operation with a single patch. * After transmitting the da ta, the device will r eturn to its pr evi- ous condition, r eady to select another patch number . ● About the MIDI Bulk In Operation This operation is used to return data stored in an external MIDI device, such as the Y AMAHA MDF3, etc., to the AG-Stomp. Use[...]

27 ● Set the Maximum V alue of the EXP . Pedal Sets the maximum value that indicates the position of the EXP . Pedal. Press the [FR 1] button and use the [UP]/[DOWN] buttons to set the position ( 127 - 255 ). Y ou can also hold the [FR 1] button and move the EXP . Pedal to set the position. * Due to the relationship between the maximum and minimu[...]

28 Error Messages If an error occur s during operation, one of the f ollowing err or message number s will appear in the display . Stop operation of the A G-Stomp and follow one of the solutions described belo w. E1 : MIDI Receive Buffer Full CA USE: T oo much MIDI data is being received and the buffer is full SOLUTION: T ry reducing the amount of [...]

29 Specifications Digital Section • Full Digital Signal Processing • Mic Simulator: 8 T ypes • Feedback Reduction: 5-band • Digital Effects • Limiter • Digital Chorus, Digital Delay • Hall Reverb, Room Reverb, Plate Reverb • External Controller Function (EXP Pedal/MIDI): 8 Controllers/Parameters • Tuner Function (Chromatic, Auto) [...]

30 MIDI Implementation Chart YAMAHA [ Acoustic Guitar Pre Amplifier ] Date:1-May-2001 Model AG stomp MIDI Implementation Chart Version : 1.0 +----------------------------------------------------------------------+ : : Transmitted : Recognized : Remarks : : Function ... : : : : :-------------------+----------------+----------------+----------------:[...]

31 MIDI Implementation Chart : : : : : : : : : : : : : : : : : : : : : : : : : :-------------------+----------------+----------------+----------------: :Prog : o 0 - 127 : o 0 - 127 : : :Change : True # : ************** : : : :-------------------+----------------+----------------+----------------: :System Exclusive : o : o : Bulk Dump : :----------[...]

Printed in T aiw an V698590[...]