Universal Coin Mech Selector Acceptor 616 Vending Electronic Arcade Wallet Features: Accepts 99% of coins and tokens Intelligent software control High-precision CPU Self-programmable without the need for a PC Number of pulses configurable Accepts up to 6 different currencies at the same time Protection against electric shock / electromagnetic interference Automatic self-diagnosis of problems DC12V voltage Coin diameter 15mm-29mm Coin width 1.8-3mm Temperature -10º +60º. Material: Metal and PVC Setup Instructions: Steps to Modify Internal Settings Simultaneously press and hold the Increase Key ⑨ and Decrease Key on both sides of the display panel for approximately two seconds. The display panel will show the letter “A” (when the A/B mode switch is set to A mode). At this point, internal settings can be modified: 1. Press the Setup Key ⑧ once. The letter “E” (selecting currency types) will appear. Press the Increase Key or decrease key to adjust the value. Press the setting key to confirm after adjustment. 2. The letter “H” appears (sample quantity per denomination). 3. The letter “P” appears (signal output count per denomination). 4. The letter “F” appears (accuracy level per denomination). 5. Proceed similarly until settings for all selected currencies are complete. When “E” appears, turn off the power and restart. Notes: E: Number of selected denominations (1-6) H: Sample quantity per denomination (1-20) P: Signal output count per denomination (1-50) F: Accuracy level per denomination (1-20; lower values indicate higher accuracy; 8 recommended) SET Key: Confirmation key Increase: Value “+” Decrease: Value “-” Note: E: Select number of denominations (1-6) H: Sample quantity per denomination (1-20) P: Signal output count per denomination (1-50) F: Accuracy level per denomination (1-20; lower values indicate higher accuracy; 8 recommended) Package includes: 1*Coin Mech Selector Acceptor Note: Please verify product information before purchase to ensure you can install it yourself. Thank you!