Donner REVECHO User manual

READ CAREFULLY BEFORE PROCEEDING
Please keep this manual in a convenient place for future
reference.
Power Supply
Always use a DC 9V center negative AC adapter. Use of an
adapter other than that specified could damage the unit or cause
malfunction and pose a safety hazard.
Always connect the AC adapter to an AC outlet that supplies the
rated voltage required by the adapter.
Disconnect the AC adapter from the AC outlet when during
lightning storms or not using the unit for an extended period.
Connections
Always turn off the power before connecting or disconnecting.
Make sure to disconnect all cables and AC adapter before
moving the unit. This will help prevent malfunction and damages.
Environment Considerations
Avoid using the unit in any of the following conditions that could
cause malfunction:
● Extremely hot or cold places
● Under direct sunlight
● Magnetic fields
● Near heaters and other heat sources
● Sandy or dusty places
● Places that are extremely humid or exposed to splashing water
● Places with lots of vibrations
Electrical Interference
Devices that are very susceptible to interference or that emits
powerful electromagnetic waves (e.g. radios and TVs) should not
be placed near this unit, as interference could occur.
Electromagnetic interference could cause malfunction and could
corrupt or destroy data.
Always operate this unit at a suitable distance from these
devices.
Handling
Do not apply excessive force to the switches and other controls,
exposing the unit to strong impacts, which could cause it to
break.
Do not put foreign objects or liquids into the unit.
Never open the case or attempt to modify the product in any way
since this can result in damage to the unit.
Clean only with a soft, dry cloth.
Revecho is a compact twin pedal which combines carefully selected delay and reverb effects in one. Wide-ranged, detailed, intuitive
onboard controls make it suitable for any music style. Additional Tap Tempo control is very convenient for playing with bands.
Introduction
Precautions
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Owner’s Manual

●Convenient compact size
●Buffer bypass
●Twin pedal combining delay and reverb effects in one
●Tap Tempo function for instant delay time control
●Suitable for any music style
IN Jack: 1/4” mono audio jack, for connecting guitar.
9V DC Jack: For power supply, use a 9-volt DC regulated by AC adapter, 500mA (plug polarity is positive on the barrel and
negative in the center).
OUT Jack: 1/4” mono audio jack, for connecting to an amplifier.
REVERB: Controls the reverb effect level.
DECAY: Controls the reverberation time.
LEVEL: Controls the delay effect level.
FEEDBACK: Controls the feedback of delay.
DELAY: Controls the delay time from 25ms to 2000ms.
DELAY Footswitch:
Tap: Switch delay effect on/off.
Hold: Switch Tap Tempo function on/off; the LED above the footswitch will indicate current delay time.
REVERB Footswitch:
Tap: Switch reverb effect on/off.
Hold: Switch effect tail on/off when bypassed.
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Connection & Controls
Overview
Features
Power Requirement: 9V DC center negative
Current Consumption: 100mA
Dimensions: 132x64x45mm
Weight: 2 g 40
Material: Aluminum alloy
Specifications
●2 In 1 Ambient Pedal
Revecho combines delay and reverb effects in one, allowing you to easily create spatial effects or add sound dimensions to your tone.
The light weight, compact-sized housing helps you keep your pedalboard tiny and easy to carry.
●Wide-Ranged Effect Controls
The knobs onboard helps you fully control the effect details: with the parameters onboard, you can fine tune the effect level, delay time,
delay feedback, reverberation time, etc. Wide parameter ranges makes it suitable for every music genre.
●Tap Tempo
Hold the DELAY footswitch to engage Tap Tempo function. When engaged, you can set delay time instantly by tapping the DELAY
footswitch, and LED above the DELAY footswitch will indicate the current delay time you set. This will help you a lot during live
performances.
●Effect Tail
Hold the REVERB footswitch to switch overall effect tail on/off when bypassed. You can keep the ambience going on when switching
effects by turning on effect tail, or switch it off to keep everything clear.
●Carefully Selected Components
The Revecho is designed and built with carefully selected components to ensure best sound quality and road performance. The solid
Aluminum-alloy chassis ensures touring reliability.
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