User Manual
1. TRUE BYPASS Footswitch: 
 Push down the footswitch to toggle 
 between on and bypass status. 
2. ON/OFF LED:
 Shows the on/off status of PURE 
 OCTAVE , when the LED is lit 
 the effect is engaged.
3. DC IN Power Jack:
 For power supply, use a 9-volt 
 DC regulated AC adapter (plug
 polarity is positive on the barrel 
 and negative in the center).
4. INPUT Jack:
 1/4” mono audio jack, for
 connecting guitar.
5. OUTPUT Jack:
 1/4” mono audio jack, outputs
the signal.
PLEASE READ CAREFULLY BEFORE PROCEEDING
Power Supply
Connections
Always turn off the power of this and all other equipment before connecting or 
disconnecting, this will help prevent malfunction and / or damage to other devices. 
Also make sure to disconnect all connection cables and the power cord before 
moving this unit.
Cleaning
Clean only with a soft, dry cloth. If necessary, slightly moisten the cloth.
Do not use abrasive cleanser, cleaning alcohol, paint thinners, wax, solvents, 
cleaning fluids, or chemical-impregnated wiping cloths.
Interference with other electrical devices
Radios and televisions placed nearby may experience reception interference. 
Operate this unit at a suitable distance from radios and televisions.
Location
To avoid deformation, discoloration, or other serious damage, do not expose 
this unit to the following conditions:
Direct sunlight
Heat sources
Magnetic fields
Extreme temperature or humidity
Excessive dusty or dirty location
High humidity or moisture
Strong vibrations or shocks
Please connect the designated AC adapter to an AC outlet of the correct voltage.
Please be sure to use only an AC adapter which supplies 9V (±10%) DC, center 
minus. The maximum working voltage shall not exceed 12V, otherwise may be 
dangerous equipment damage, fire or other problems. 
Unplug the AC power adapter when not using or during electrical storms.
Precautions
FCC certification
This device complies with Part 15 of the FCC Rules. Operation is subject 
to the following two conditions: 
 This device may not cause harmful interference. 
 This device must accept any interference received, including interference 
 that may cause undesired operation.
Power Requirements: AC adapter 9V DC (center minus plug),
recommended to use Mooer Micro Power
 Precise polyphonic octave effects with no distorted sound
 11 different octave modes
 Full metal shell 
 Very small and compact design
 True bypass switch
 DC 9V adapter power supply
Main Features
6. DRY Knob: 
7. SUB Knob:  
8. UPPER Knob: Adjusts the level of UPPER part signal.
9. MODE Knob: Switch between 11 octave modes. 
Adjusts the level of original signal.
Input: 1/4” monaural jack (impedance: 470k Ohms) 
Output: 1/4” monaural jack (impedance: 100 Ohms)
Current Draw: 128 mA
Dimensions: 93.5mm (D) × 42mm (W) × 52mm (H)
Weight: 160g
Accessories: Owner’s Manual
* Disclaimer: Any specification’s update won't be amended in this manual. 
Octave Pedal
Octave Mode List
No.
1
2
3
4
5
6
7
8
9
10
11
SUB
 1 OCT
 1 OCT
 2 OCT
 2 OCT
+1 OCT
 2 OCT
 1 OCT &
 2 OCT
 1 OCT &
 2 OCT
 1 OCT
 2 OCT
 1 OCT &
 2 OCT
+1 OCT
+2 OCT
 1 OCT
+1 OCT
+2 OCT
+2 OCT
+1 OCT
+2 OCT
+1 OCT &
+2 OCT
+1 OCT &
+2 OCT
+1 OCT &
+2 OCT
UPPER
4
5
9
3
7 8
6
Adjusts the level of SUB part signal. 

