Precautions * P L E A S E R E A D C A R E F U L L Y BE F O R E P R O C E E D IN G * Po w e r Sup p l y Please connect the designated AC adapter to an AC outlet of the correct voltage.
B a n k A bank is a group of ten patches. GEM Box has 8 banks, labelled with numbers 0 to 3 (unchangeable preset banks) and letters A to d (editable user banks).
AC adapter 9V DC power supply AA battery (x4) power supply Battery Operation 1. Turn off the GEM Box and open the battery holder on the bottom. 2. Insert 4 AA batteries and close the battery holder. Four batteries (size AA) Press latch to release and then lift cover.
Panel Instruction NR/CAB MODULATION GAIN RATE EXP. PEDAL DRIVE DELAY COMP/WAH D.TIME PEDAL REVERB PATCH LEVEL DECAY Press RHYTHM STORE PLAY VALUE Guitar Multi-Effects Processor BANK PATCH EDIT PLAY / STOP MODULE BYPASS PATCH BYPASS / TUNER HOLD FOR MUTE TUNING INPUT OUTPUT DC9V...
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EX P. PEDA L LED: Indicates the status of the expression pedal. I N PU T J ac k : 1/4” mono audio jack, for connecting guitar. When operating GEM Box on batteries, plugging guitar cable into this jack will turn on the unit.
A d ju s t i n g t h e m a s t er v o l um e Set the Module Selector to [PLAY], BANK PATCH rotate [VALUE] knob to adjust the master volume of GEM Box (when setting up the master volume, LED EDIT display will show the current level). The range of master volume is...
Drum Rhythm Sel e c t in g Dr u m Rh y t h m T y p e Drum Rhythm Type Set the Module Selector to [RHYTHM], BANK PATCH LED display will show the rhythm type firstly, and then rotate the [VALUE] knob to select the rhythm type ( EDIT A d ju s t i n g Dr u m Rh y t h m V o l um e...
EDIT Qu i t T u n er When in tuning mode, press both [PATCH –] and [PATCH +] footswitches together or anyone of these 2 footswitches to quit tuning state. GEM Box will return to PLAY mode.
V o l u m e Co n t r ol If the [EXP. PEDAL] LED is not lighted up, the expression pedal will be a volume pedal for controlling the master level of GEM Box. Ef f e c t Con t r o l If the [EXP.
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Pe d a l Res e t The responsivity of the expression pedal on GEM Box can be reset as necessary. If the effect change seems insufficient when pushing the pedal down, or if the volume or tone changes excessively even when the pedal is only lightly pushed, or if it’s hard to switch the...
Patch Editing Se l e c t Ef f e c t M o d u l e Set the Module Selector to the effect module which you want to edit, the available setting options are listed below: 01.PATCH LEVEL (Para) 02.PEDAL (Para) 03.COMP/WAH (Type &...
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Patch Editing Ch a n g e Se t t i n g Press [VALUE] knob to change effect/parameter type ahead, hold and rotate [VALUE] knob to change effect/parameter type ahead (clockwise) or backwards (anticlockwise), rotate [VALUE] knob to set a new value of the effect type or parameter. As long as the selected item’s value changes, a dot (.) will appear in the bottom right of the display.
Patch Storing/Copying Ent e r St or i n g M o d e Set the Module Selector to [STORE] to enter storing mode, the display will show the current editing patch’s number. NR/CAB MODULATION BANK PATCH GAIN RATE DRIVE DELAY COMP/WAH D.TIME...
To use this function, conform to the following instructions: 1. Before power on, hold down the [PATCH +] footswitch, and then power to the GEM Box, will appear on the display and last flashing for 3 seconds, it indicates setting up to Patch Pre-Select function successfully.
Factory Reset Factory Reset function will initialize all setting of GEM Box. All the user patches will be erased and overwritten by the preset patches. To do the factory reset, conform to the following instructions: Before power on, set the Module Selector to [PLAY], hold down the...
Acoustic Simulator Hog Fuzz GEM Box has 8 effect modules, 60 types of effect in total, can offer up to 8 simultaneous effects (NR/CAB module can offer 2 effects at a time). Each effect module has several different effect types, only one type can be selected at a time.
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Effects Explanation This effect varies wah sound according to picking intensity. Sense Wah The parameter’s value controls the Sensitivity. This effect varies wah sound by controlling the expression pedal. Pedal Wah The parameter’s value controls the Central Frequency This mark means the parameter can be controlled by the expression pedal if corresponding type was chosen in PEDAL module.
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Effects Explanation EQ Module Type Name Display Effect Explanation This controls the bottom band of the equalizer, the central frequency is 160Hz. The parameter’s value controls the Gain. This controls the middle band of the equalizer, the central frequency is 800Hz. The parameter’s value controls the Gain. This controls the high band of the equalizer, the central frequency is High 3.2KHz.
Effects Explanation This effect produces a sweeping filter sound. Filter The parameter ’ s value controls the Depth . Transfer the pitch and blend with the original note. The parameter’s Pitch Shift value controls the Mix. Produces sounds like ring bell. The parameter’s value controls the Ring Mod effect’s Level.
Specification N o . o f Ef f e c t M o d u l e s : Max. 8 simultaneous modules N o . o f Ef f e c t Ty p e s : Pr e s e t Pa t c h M e m o r y : 40 Patches (4 Banks, each bank has 10 patches) U s e r Pa t c h M e m o r y : 40 Patches (4 Banks, each bank has 10 patches)
Troubleshooting Ca n n o t p o w e r o n Check power connection. ------ Make sure the power is connected correctly. Check the adapter. ------ Make sure the adapter’s type is DC9V/300mA/center minus. When using battery, check whether the cable is inserted entirely to the INPUT jack.
Appendix Patch List Patch Patch Name Pedal Assign Patch Patch Name Pedal Assign Super Lead Volume Wet Clean Reverb Level Pure Land Volume California Riff Volume Vintage Tremolo Tremolo Rate Rough Whip Volume Obsessive Drive Volume Preamp Drive Drive Gain Slap Blues Volume Acoustic Clean...