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1. Grounding Terminal: Instrument safety grounding terminal;
2. Output 1: For connection to the firing mechanism;
3. Output 2: For connection to the firing mechanism;
4. Charging: DC 12V charging port, connect a 12V charger to start charging;
5. Switch: Turn the power on/off;
6. OK: Confirm operation function;
7. Select: Select the controller's operating mode;
8. Battery Level Indicator: Indicates the battery level in real time when the built-in battery is working;
9. LCD Screen: Displays operation content and control process.
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