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Do not attach it to body piercings or similarly small electrodes. Do not connect the channels together except as shown in the Advanced Topics section of this guide. Do not attempt to open, repair or modify the MK-312BT. Use only the supplied AC adapter.
1 • Getting Started Welcome to the fold. The MK-312BT is the most advanced unit of its kind. It offers many unique sensations from its smooth and dynamic, high-frequency digital pulses. Before you go any further, please make sure you have read the Important Safety Information in the previous section.
100 years. A common application is in physical therapy and pain management by the medical community. The MK-312BT produces a similar output to medical TENS (Transcutaneous Electrical Nerve Stimulation) and EMS (Electro Muscle Stimulation) units. However, the MK-312BT is designed to provide pleasurable sensations in place of dull, numbing or tingling ones.
3 • Initial Setup Using the MK-312BT for the first time is very simple. Just follow these easy steps: 1. Connect the supplied AC Adapter to the VDC input jack when the battery needs charging. The MK-312BT may be used while charging.
Do not use electrodes made of toxic metals such as lead solder. If you intend to use the MK-312BT with others, you should experiment with it on yourself before connecting it to someone else. Also, avoid splitting a single channel to connect more than one person at a time.
5 • Connections The MK-312BT has seven (7) connection jacks along the bottom side of the front panel as shown below. Most jacks accept the same style 3.5mm plug so it’s important to use care when making connections. INPUTS MIC – Connects to a PC-compatible microphone for sound-based stim. See: 16 •...
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ACTIVITY LEDs – A red LED for each channel is located under each LEVEL control. These provide an approximate indication of what each output is doing. This is especially useful if you’re using the MK-312BT on someone else or playing an external audio source in one of the Audio modes.
6 • Controls The MK-312BT offers a wide variety of e-stim options yet is very easy to use. There are 18 factory e-stim patterns or routines available. These are called “Modes.” You can further tailor each mode to your tastes.
7 • Front Panel Diagram Backlit LCD - Displays current mode and adjustments [MENU] Button - Optional advanced settings NEXT [→] Button - Selects next mode or setting [OK] Button - Confirms menu choice PREVIOUS [←] Button - Selects previous mode or setting Level A and B - Adjusts intensity of Outputs A and B Multi Adjust - Adjusts stimulation sensations Activity A and B LEDs - Output indicators showing relative output strength...
8 • LCD Display The MK-312BT has a lighted LCD for ease of use. When first turned ON, it will display a progressive bar as the various self tests are run. Initializing... ▒▒▒▒▒▒▒ Afterwards, the following will be displayed for a few seconds, followed by the...
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This allows precise adjustment of the controls and makes the MK-312BT easier to use in low-light conditions. “Waves” indicates the current mode. Pressing the PREVIOUS [←] or NEXT [→] buttons will change the current mode. The lower line is used to guide the user in operating the MK-312BT. Page...
9 • Modes The MK-312BT includes 18 factory-loaded modes or stimulation routines. They are easily selected with the NEXT [→] and PREVIOUS [←] buttons and are displayed on the LCD. Feel free to experiment. You will learn more by feeling each one than what a description can provide. It’s a good idea to turn the output levels down slightly before changing modes until you become more familiar with what each one does.
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Audio Modes For all the audio modes, an audio source must be connected to the Audio input jack, or a PC-compatible microphone should be connected to the Mic jack. When adjusting the audio modes, first turn up MA control until the Channel Indicator LEDs are flashing fairly brightly and then turn up the output Level controls, otherwise you may get an unpleasant surprise if the audio signal suddenly gets louder.
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You may want to set the output levels higher than for other modes. TriPhase Modes The MK-312BT includes TriPhase modes which are able to generate 3 different waveforms using a custom TriPhase Adapter Cable. See: 15 • Triphase Stimulation for more details.
Keep in mind that electrodes used near muscles may cause powerful muscle contractions at higher settings. Increase levels gradually and use caution if using the MK-312BT on someone else. Consider what effects muscle contraction might have. For example, it’s not a good idea to use electrodes on the legs of a standing person.
The battery is rated for 1,000 or more cycles when properly cared for. Running the battery dead or storing the MK-312BT with a low battery will greatly reduce the battery life. Frequent charging will extend its life.
Lightly moistening a microfiber towel with 70% isopropyl alcohol is an easy way to clean the unit with common household materials. Don’t leave the MK-312BT in the sun. If the unit has been exposed to unusually hot or cold temperatures, let it adjust to room temperature before using it.
13 • Advanced Topics: Menus The MK-312BT is similar to a digital camera. Most users let their cameras or smartphones set the exposure and focus automatically and decide when to use the flash among other things. In a similar way, the MK-312BT makes automatic adjustments depending on the Mode and MA (MultiAdjust) settings.
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Set As Favorite? Pressing OK will select the current mode as your favorite mode. This means next time you turn on your MK-312BT, it will automatically start in your favorite mode. The default is Waves. Set Pwr Level? Pressing [OK] brings up the Power Level menu.
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Used for factory maintenance and testing. • Link Slave Unit? Pressing [OK] will attempt to link a second MK-312BT or ET-312B as a Slave Unit. See 5 • Connections. When linked, the Slave Unit will mirror the actions of the Master Unit. This provides 4 channels of stimulation coordinated by one MK-312BT or ET-312B.
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Reset Settings? Pressing [OK] will reset the unit back to the factory default settings. If your MK-312BT isn’t working the way it used to, this menu choice will set it back to the optimum factory settings. Page...
Advanced? then press the [OK] button to enter the menus below. These menus are intended for the advanced user looking to customize the sensations generated by the MK-312BT. These settings are optimized at the factory and do not need to be changed for most users.
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Depth Adjust? This adjusts the modulation depth of some of the modes. For example, on Stroke, it alters the range of the stroking effect. The factory setting is 50 and the range is 10 to 100. Tempo Adjust? This adjusts the intensity modulation speed and other rate parameters of some modes.
15 • TriPhase Stimulation TriPhase is a novel feature of the MK-312BT. It creates three stimulation currents using only two channels. It is important that the Phase and Audio3 modes never be used above the waist. While the output channels are independent and electrically isolated from each other, a TriPhase configuration creates a common connection between the channels, making them no longer isolated.
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The TriPhase Effect Imagine a triangle of current flow when you place the 3 electrodes. A typical example might be to attach the Common Electrode pad at the perineum or over the scrotum – using an E-Cup for example. Electrode A might be placed further forward on the pelvis or on top of or along the penis shaft.
Some e-stim enthusiasts have created computer generated sound files for use with e-stim. These files are available on the Internet and can be played back using your choice of music player software. The MK-312BT is specially designed to process stereo audio files into a proper TENS-style e-stim waveform, opening up many new creative possibilities.
• 15 User Mode Failure - Invalid data was found in a User mode. • 20 Calibration Error – The MK-312BT is either too hot or too cold. Allow it to reach room temperature before powering ON. • 21 Power Failure - The wrong AC adapter usually causes this error code.
USA Limited Warranty Electrified Experiences products purchased by customers residing in the USA are warranted against manufacturing defects for One Year from the date of purchase from ErosTek. This warranty does not cover misuse, abuse, wear and tear, batteries or products which have been disassembled or tampered with.
Authorized Sales and Support Online Store: https://erostek.com Email: sales@erostek.com CE Compliance: Connected lead wires must be less than 3 meters (118”) long. Version: 2023.0810.01 Page...
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