POS System Tutorial – How to Set Up and Use a POS System Step by Step

Setting up a POS system for the first time can feel overwhelming — menus to build, printers to connect, staff to train. This step-by-step tutorial walks you through the entire process: from unboxing hardware to processing your first sale. Whether you're opening a restaurant, café, or shop, the workflow is similar across most modern POS platforms.

Step 1: Hardware Setup

• **Unbox and charge** your tablet or terminal. All in One devices (like GoPOS or POSbistro on Sunmi) come with POS + fiscal register + payment terminal in one unit
• **Connect peripherals** — fiscal printer (USB or Bluetooth), receipt printer, barcode scanner (for retail), kitchen display screen
• **Connect to WiFi or insert SIM** — cloud-based POS systems require internet for sync. Most have offline mode as fallback
• **Download the POS app** from Google Play (Android) or App Store (iPad) and log in with your account credentials

Step 2: Configure Your Menu or Product Catalog

• **Create categories** — e.g., Starters, Mains, Desserts, Drinks (restaurant) or Clothing, Electronics, Accessories (retail)
• **Add products/dishes** — name, price, tax rate (VAT), photo, description. For restaurants: add modifiers (extra cheese, no onion)
• **Set up variants** — size (S/M/L), extras, preparation options. Retail: color, size, weight
• **Build recipes** (restaurant) — assign ingredients to each dish for automatic food cost tracking
• **Import from CSV** — most systems allow bulk import of products from a spreadsheet

Step 3: Fiscal Registration (Poland)

• **Register with the tax office** — report your fiscal device to the local Urząd Skarbowy before the first sale
• **Fiscalize the device** — connect the fiscal printer or activate the virtual cash register. With POSbistro POSfiscal, fiscalization takes ~15 minutes online
• **Test receipt printing** — print a test receipt to verify VAT rates, company data (NIP), and CRK connection
• **Verify CRK connection** — confirm that transactions are being transmitted to the Central Cash Register Repository

Step 4: Set Up Payment Methods

• **Pair payment terminal** — connect via Bluetooth or USB. Test card payment, contactless, and BLIK
• **Configure payment types** — cash, card, mobile payment, voucher, room charge (hotel)
• **Set tipping options** — enable tip prompts on the payment terminal if desired
• **Test a real transaction** — process a small payment with your own card to verify the full flow

Step 5: Daily Operations

• **Opening shift** — log in, count opening cash, start the sales day
• **Taking orders** (restaurant) — select table → add items → send to kitchen. Modifiers and notes appear on the kitchen screen
• **Processing payments** — generate bill → select payment method → print receipt → close table
• **Closing shift** — run end-of-day report, count cash, verify totals against POS report, print daily fiscal report (raport dobowy)
• **Check reports** — review sales by hour, product, employee. Identify top sellers and slow movers

Step 6: Train Your Staff

• **Start with basics** — logging in, taking an order, processing a payment, printing a receipt
• **Practice split bills** — dividing a check by person or by item is the most common pain point
• **Simulate rush hour** — process 5–10 orders simultaneously to test speed and confidence
• **Train on returns/voids** — how to void an item, cancel an order, or process a return
• **Assign roles** — set access levels (manager vs. waiter vs. cashier) to prevent unauthorized discounts or voids

Summary

Setting up a POS system takes 1 day to 2 weeks depending on complexity. Start with hardware, build your menu, fiscalize, test payments, and train your team. Most systems offer onboarding support — use it. For a comparison of specific systems, see our restaurant POS comparison or Polish gastro POS ranking. Once you're live, jedzeniewarszawa.pl/demo can turn your POS export data into actionable charts and food cost analysis.