COMBAT TC4-01 ETU ETU Electronic Trigger Unit Instruction Manual

June 4, 2024
COMBAT

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COMBAT TC4-01 ETU ETU Electronic Trigger Unit

SAFETY WARNINGS

  1. This product complies with the standard M4 Mechabox Ver.2 .

  2. As there are mechanical boxes from different manufacturers, the operation is unconfirmed. Before installation, please make sure it fits the mechanical box.
    If not, any malfunctions occur are at your own risk and are not covered by the warranty.

  3. This product is suitable for users who have the modification ability.

  4. Please be sure to read and understand the instruction manual fully before installation

  5. To install this product, you need to be familiar with the correct disassembly and assembly techniques of electric guns.

  6. To install this product, the gun and mechanical box need to be disassembled.

  7. If you have any concerns about the operation, please be sure to inquire the shop where you purchase it.

  8. Please be aware that the warranty does not cover any damage caused by incorrect installation/adjustment of the stun gun or incorrect use.

SPECIFICATION

  • The product is compatible with standard M4 Ver.2 geabox
  • The product support brushed and brushless motors
  • Supporting 7.4V-11.1V Lithium battery (not supporting Nicd and NiMH) 0.0006Ω ultra-low internal resistance MOSFET
  • Continuous current 100A
  • Instantaneous current 400A/s
  • All-optical sensor

PROTECTION

  • Battery low voltage protection (2~3 cell lithium battery auto detection)
  • When the battery voltage is low, you may continue to hear the beep sounds and the trigger will stop working
  • Overcurrent detection
  • Motor damage protection
  • Gearbox damage protection

FEATURES

  • No external settings required, fast mode switching
  • Burst mode setup (3 and 5 round mode)
  • Pre-cooking mode setup (5-level setting)
  • Binary trigger mode setup
  • Two-stage fire
  • Pre-cooking spring releaseCOMBAT TC4-01 ETU ETU Electronic Trigger Unit fig 1 COMBAT TC4-01 ETU ETU Electronic Trigger Unit fig 2

TRIGGER POSITION INITIAL SETUP

COMBAT TC4-01 ETU ETU Electronic Trigger
Unit fig 3

TRIGGER POSITION INTIAL SETUP (for the first time using or after restoring to factory setup )

  • Switch to S AFE>>>Trigger Full Hold>>>Connect Battery>>>Twice short Beep Tone>>>Trigger Release>>> Long Beep Tone >>>Once Short Beep Tone>>>Initial Setup Ready.

BURST MODE SETUPCOMBAT TC4-01 ETU ETU Electronic Trigger Unit fig
4

  • FULL AUTO TO BURST MODE SETUP
    Switch to SAFE>>>Trigger Full Hold>>>Switch to AUTO within 3sec>>>Short Beep Tone>>>Trigger Release

  • 3-ROUND OR 5-ROUND CHANGE SETUP
    Switch to AUTO>>>Fire Trigger Hold 3sec>>>Short Beep Tone>>>Trigger Release  3 Round to 5 Round. Switch to AUTO>>>Fire Trigger Hold 3sec>>>Long Beep Tone>>>Trigger Release 5 Round to 3 Round.

  • BURST TO FULL AUTO MODE SETUP
    Switch to SAFE>>>Trigger Full Hold>>>Switch to AUTO within 3sec>>>Long Beep Tone>>>Trigger Release

BINARY TRIGGER MODE SETUPCOMBAT TC4-01 ETU ETU Electronic Trigger Unit
fig 5

  • SEMI TO BINARY MODE SETUP
    Switch to SAFE>>>Trigger Full Hold>>>Switch to SEMI within sec>>>Short Beep Tone>>>Trigger Release

  • BINARY TO SEMI MODE SETUP
    Switch to SAFE>>>Trigger Full Hold>>>Switch to SEMI within sec>>>Long Beep Tone>>>Trigger Release

PRE-COCKING LEVEL SETUPCOMBAT TC4-01 ETU ETU Electronic Trigger Unit fig
6

PRE-COCKING LEVEL SETUP

  • Switch to SEMI>>>Fire,Trigger Full Hold  sec>>>Short Beep Tone,in  Stage>>>Trigger Release Switch to SEMI>>>Fire,Trigger Full Hold  sec>>> Short Beep
  • Tone,in  Stage>>>Trigger Release Switch to SEMI>>>Fire,Trigger Full Hold  sec>>> Short Beep Tone,in  Stage>>>Trigger Release Switch to SEMI>>>Fire,Trigger
  • Full Hold  sec>>> Short Beep Tone,in  Stage>>>Trigger Release Switch to SEMI>>>Fire,Trigger Full Hold sec>>> Short Beep Tone,in  Stage>>>Trigger Release
  • Switch to SEMI>>>Fire,Trigger Full Hold  sec>>> Long Beep Tone,in Default Stage>>>Trigger Release

PRE-COCKING SPRING RELEASECOMBAT TC4-01 ETU ETU Electronic Trigger Unit
fig 7

  • PRE-COCKING SPRING RELEASE
    Switch to SAFE>>>Trigger Full Hold>>>Long beep tone>>>Trigger Release>>>Once Fire.

RESTORE FACTORY SETUPCOMBAT TC4-01 ETU ETU Electronic Trigger Unit fig
8

  • RESTORE TO FACTORY SETUP
    Switch to SEMI>>>Trigger Full Hold>>>Connect Battery>>>Long Beep Tone>>>Trigger Release

  • SINGLE SHOT IN AUTO MODE
    This function allows the user to do single shot shooting in AUTO mode (no need to switch the shooting mode)
    operation method : In AUTO mode, press / of the trigger, it is single shot.
    If it is fully pressed, it will be on burst mode (it’s the same as the / round mode)

Supplement of selector plate reflective stickers

There will be some deviation between different brands of mechanical boxes; therefore, incorrect position sensing between SAFE, SEMI, AUTO may happen The instructions and adjustment methods are as follows

  • Remove the original copper sheet on the selector plate ( if not, it may affect the senor to detect)
  • Place the attached reflective sticker (Please place the Stick right along the red dotted line according to the photo)
  • If the incorrect position sensing occurs,
    please place the .-.mm black line sticker on the dotted line.
    Please test and adjust stickers with different widths according to actual conditionsCOMBAT TC4-01 ETU ETU Electronic Trigger Unit fig
9

You can view the video of the setting method from the QR code above

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