Rowin TWIN LOOPER User manual

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TWIN LOOPER manual
Thanks for purchasing our product, please read the operating instructions below carefully before
operate.
1. Right footswitch
1) Right foot switch functions need to use with mode selection switch: FX / STOP
2) When the mode selection switch select STOP mode, right footswitch is used to stop
recording and playback, or clear recording data, Using with LOOPER indicator LED, this
operation can not be restored.
3) When recording (LOOPER indicator LED is red) or playing (LOOPER indicator LED is green),
press right footswitch once, recording or playing will immediately stop, LOOPER indicator LED is
green and flashing.
4) If stopped (LOOPER indicator LED is green and flashing), press right footswitch about 2
seconds, LOOPER indicator LED flashes twice, then all of the recorded data is cleared.

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5) When the mode selection switch selects the FX mode, the right footswitch control effect
on and off, using with the FX status indicator LED.
6) If the FX LED lights up, indicate effect on, press once, effect turned off, presses again,
effect turned on. Follow this cycle, see below diagram.
2、Left footswitch
The left footswitch is used for recording, playback, overdub, Undo, Redo, stop, clearing and
other operations, using with lOOPER indicator LED.
1) When power on, LOOPER indicator LED off, indicate the pedal no recorded data, press
left footswitch once, then red LED of LOOPER indicator LED lights up, entering into recording
state. After the recording is finished, press left footswitch again, then green LED of LOOPER
indicator LED lights up, entering playing state. The system will loop the recorded data. While it
play to end of the recording, green light flashes , showing it has play to the end and restart the
next playing. Press left footswitch at any time, red LED of LOOPER indicator LED lights up
enters into overdub state. That is overdub the input sound to the recordings. Under overdub
state the recording data will be looped. Overdub operation unrestricted on this pedal, Under
overdub state, press left footswitch, then green LED of LOOPER indicator LED lights up,
entering playback mode, follow this cycle. See below diagram.

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In recording mode, press left footswitch about 2 seconds, the current recorded data will be
cleared, LOOPER indicator LED flashes twice and then go out. In playing or overdub state,
press left footswitch about 2 seconds LOOPER indicator LED flashes twice and then undo (or
redo) the recorded data last time.
For example, you just overdub a recording data, but it’d not good. You do not want this.
Then press left footswitch about 2 seconds LOOPER indicator LED flashes twice, and then
delete. (undo overdub operation latest) the overdub data, however, now you want to recover
the data, so press left footswitch about 2 seconds LOOPER indicator LED flashes twice, then
recover (just redo overdub operation latest) the overdub data, follow this cycle, see below
diagram.
Press the left footswitch twice in any state, green LED of LOOPER indicator LED lights up
and system enters the stop mode. while stopped, press left footswitch about 2 seconds,
recording data will be cleared. LOOPER indicator LED lights off, the operating data can not be
recovered. See below diagram.
3, FX LED
1) FX effect status indicators LED need to work with right footswitch.
2) If it is forward playing and the effect is on, red FX LED lights up.
3) If it is reverse playing and the effect is on, green FX LED lights up.
4) If effect is off, FX LED goes off.
4. LOOPER status indicators LED

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1）LOOPER status indicators LED need to work with left footswitch.
2) In recording state: LOOPER indicator LED is red.
3) In playing state: LOOPER indicator LED is green.
4) In overdub state: LOOPER indicator LED is red.
5) In stop state: if there is recorded data, LOOPER status indicator LED is flashing green, if no
recorded data, LOOPER status indicator LED goes off.
6) While Undo, Redo operation, LOOPER status indicator LED will be green and flashing
twice indicate operation completed.
7) In the end of the playing, LOOPER status indicator LED will be green and flashing once
indicate play to the end and restart the next play.
5、Right input jack
1/4” Right input jack, connect guitar.
6、Right output jack
1/4” Right output jack, connect amplifier.
7、Left input jack
1/4” Left input jack, connect guitar.
8、Left output jack
1/4” Left output jack, connect amplifier
9、Mode selection switch: FX/STOP
1) Mode selection switch need to work with right footswitch.
2) When the mode selection switch select STOP mode, the right footswitch is used to stop
recording and playing ,or clear recording data; when the mode selection switch select FX mode,
right footswitch is used to turn on or off effect. More details please refer to part 1.
10、Mode selection switch
1) When the mode selection switch did not select CHANGE mode, the left output channel
sound com from the left play channel, the right output channel sound com from the right play
channel.,See picture 1.
When the mode selection switch select CHANGE mode, the left output channel sound
com from the right play channel, the right output channel sound com form the left play channel.
See picture 2.

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（1）
（2）
2) When the mode selection switch select FORWARD mode, if the effect is on, FX
effect indicator LED is red, meaning that it is playing in the normal mode, such as when the
sound recording is: 123,then 123 will be played.
3) When the mode selection switch select REVERSE mode , if the effect is on, FX effect
indicator LED is green, meaning that it is playing in the opposite direction, such as when the
sound recording is: 123, then 321 will be played.
11, recording, playing speed knob
11 gears of recording and playing speed, turn knob to leftmost means NORMAL, then to the
right means FAST. Three kinds of FAST speed, faster and faster. The fastest speed is 1.5 times
than NORMAL. Then further right, means SLOW. Seven gears of SLOW speed. Slower and slower.
The slowest speed is 2 times than NORAMAL.
Note: Since the 11 gears knob may go awry when using, it might fail to select the type of
effect, or there is intermittent sound. Then you need to re-calibrate the 11 gears knob.
Follow these steps:
1) Pressing the left and right footswitches, and plug in the 9V power supply, then
yellow LED lights up shows the state of correction.