Product Center

ACRSpace Business Playbook.

An exhaustive, real-world deployment manual and feature study guide engineered for retail stakeholders, owners, managers, and non-technical clients.

Sub-1s Billing100% Stock Accuracy1-Click Tally Export
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Executive Summary & Value Proposition

Traditional retail systems fail during heavy customer traffic because registers rely on constant server round-trips for tax levels, stock numbers, and discounts. When networks slow, registers freeze, queues grow, and billing halts entirely.

ACRSpace bypasses this bottleneck using a dual-layer local browser caching architecture. Registers compute taxes, compile totals, apply discounts, and queue invoices locally — syncing back to secure cloud databases in background threads. Your counters run at full speed under any load, across any number of terminals.

Guide Scope

This guide covers business operations, checkout flows, managerial controls, and onboarding logistics. No technical or developer knowledge is required.

< 1sPOS Billing Latency
100%Stock Reconciled
1-ClickTally XML Export
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Core Feature Catalog

REGISTER

Lightning-Fast POS Register

Keyboard-optimized terminal for continuous checkout. Supports barcode scanning, quick search, multi-rate GST, custom discounts, and split-payment processing.

Capabilities:Keyboard hotkeys: F2 = Pay, Esc = Clear cartSuspend/Hold Cart frees the counter instantly80mm EPSON-format thermal receipt output
Business Value: Rings up orders in under 1 second.
FAIL-SAFE

Rush Hour Protection

Isolates the billing screen from database lag. Calculations happen locally and write-backs to the cloud occur in asynchronous background queues — counters never freeze.

Capabilities:Automatic offline cache fallback modeLive Sync pulse indicator on each registerAuto-syncs queued transactions when connection restores
Business Value: 100% register uptime even during internet drops.
RECONCILIATION

Zero-Overselling Guard

Locks cart selections dynamically in floor inventory. Simultaneous attempts by multiple registers to sell the last unit trigger instant reservation and warning notices.

Capabilities:5-minute stock reservation timer per counterAutomatic lock release on checkout cancelReal-time popup warning on competing registers
Business Value: Eliminates inventory mismatch and oversell overhead.
SYNC

Instant Device Sync

Aligns all floor devices together. Any modification to item prices, active promotions, or warehouse stock reflects on all terminals in under 50 milliseconds.

Capabilities:Sync latency under 50 millisecondsLive price & stock updates pushed to all registersZero manual browser page reloads required
Business Value: Staff always operate on synchronized figures.
SECURITY

Manager Support Access

Managers inspect live terminals in read-only mode without sharing master admin credentials. Every session is logged to the audit trail automatically.

Capabilities:Secure single-use 6-digit Support PINsComplete read-only screen sharing viewManager authorization timestamps registered
Business Value: Fast support with zero credential sharing risk.
FINANCE

One-Click Tally Export

At day-close, consolidates invoices, GST brackets, payment splits, and returns into a single download. Your accountant imports it directly into Tally Prime in seconds.

Capabilities:Auto-maps sales, taxes, and discounts to ledgersSeparates UPI, Cash, and Card payment booksTally Prime import via Vouchers menu — 30 seconds
Business Value: Saves accountants hours of manual voucher entry.
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Platform Architecture Overview

A bird's-eye view of the entire ACRSpace ecosystem — from store floor terminals to cloud storage and Tally export. Ideal for client presentations and stakeholder briefings.

Full Platform Architecture — End-to-End System Overview

Enterprise Architecture
TERMINAL LAYERCOUNTER A — POS REGISTERREGISTERLOCALCACHEasyncwrite-backLIVECOUNTER B — POS REGISTERREGISTERLOCALCACHEasyncwrite-backLIVECOUNTER C — POS REGISTERREGISTERLOCALCACHEasyncwrite-backLIVEFLOOR TABLETiPadSYNCMOBILE REG.MobSYNCOFFLINE MODEBUFFEREDBills continue normally on-deviceTransactions queued locally↻ Auto-syncs on reconnectUSB / BT BARCODE SCANNERS80mm THERMAL PRINTERSPLATFORM COREADMIN DASHBOARDStock Levels — Live ViewInvoice History — Audit LogStaff Management — RolesFinance Reports — Day CloseOwner / Manager access onlySUPPORT ACCESS MODECashier generates 6-digit PINManager logs in read-onlySession auto-logged to auditZero credential sharing🔒 No master password exposedREAL-TIMESYNC HUBWebSocket · BroadcastChannel≤ 50ms latencyASYNC TRANSACTION QUEUE BUFFERTXN#042 ✓TXN#043 ✓TXN#044 ⟳TXN#045 —FIFO queue · Atomic writes · Conflict-free merge strategyOffline transactions stored here → auto-synced on reconnectGuaranteed delivery · No data loss · Idempotent syncSTORAGE & EXPORTCLOUD DATABASE VAULTIsolated per-organization data vaultStock levels · Invoices · Staff logsAtomic writes · ACID compliantContinuous auto-backup (zero effort)ISO 27001 · TLS 1.3 · AES-256 at restEnterprise Encryption · Security CompliantTALLY PRIME EXPORTSales Ledger → auto-classifiedGST Ledgers: 5% · 12% · 18% · 28%Payment Groups: UPI · Cash · CardReturns → Debit Notes (auto-issued)1-CLICK XML → TALLY IMPORTDaily books completed in under 30 secondsMULTI-BRANCHUnlimited warehouses per owner accountCashiers locked to assigned branchConsolidated reports across locationsBranch A · Branch B · Warehouse Casync sync ↗

Cashier Billing Workflow — Sub-Second Checkout Sequence (7 Stages)

01SCANBarcode / SearchUSB/BT scanneror text searchSKU / barcode< 50ms02CARTItems AddedMulti-item cartQty adjustmentHold / Suspend< 100ms03DISCOUNT% Applied% or flat ratePer item / billCap enforcedinstant04TAX CALCGST Auto5% / 12%18% / 28%Per SKU bracketinstant05PAYMENTUPI/Cash/CardSplit paymentsUPI + CashCard accepted< 2s06RECEIPT80mm PrintEPSON formatGST itemizedDigital copy< 3s07DB SYNCAsync QueueBackgroundNo wait timeOffline safeasyncTOTAL CHECKOUT TIME: UNDER 1 SECOND FROM SCAN TO PRINTED RECEIPT

Staff Permission Hierarchy — Role-Based Access Control

OWNERFull Platform AccessBilling · Finance · Staff · SettingsMulti-Branch · Rules · ReportsALL ACCESSMANAGERStock adjustmentsDay Close · Finance readSupport access modeBlocked: Settings · Billing RulesRESTRICTEDCASHIERPOS billing register onlyReturns (within policy)🔒 Blocked: Finance · SettingsBILLING ONLYACCESS MATRIXOWNERMGRCASHIERPOS Billing Register✓✓✓Inventory Adjustments✓✓✗Staff Management✓view✗Finance Reports✓read✗Store Settings✓✗✗Billing Rules✓✗✗Support Access Mode✓✓PIN onlyTally Export✓✓✗FullPartialBlocked
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System Detail Sequences

Precise technical sequence diagrams explaining each core subsystem. Use these to walk your team through how the platform handles specific scenarios.

System Architecture — How Registers Stay Fast Under Load

COUNTER AREGISTERLOCALCACHE✓Tablet / iPad / LaptopCOUNTER BREGISTERLOCALCACHE✓Tablet / iPad / LaptopCOUNTER CREGISTERLOCALCACHE✓Tablet / iPad / LaptopREAL-TIME SYNC API≤ 50ms broadcastWebSocket: OPENCLOUD DATABASEIsolated org vaultAuto-backup: ONasync queue① LOCAL CACHE — Sub-100ms checkout computationPrices · Discounts · Taxes calculated on-device② ASYNC SYNC — Background write-backTransaction confirmed → DB committed silently

Zero-Overselling Guard — Stock Lock Sequence

COUNTER ACOUNTER BSTOCK ENGINEDATABASEadd_to_cart(SKU-001, qty=1)LOCK(SKU-001, A)LOCK_CONFIRMEDreserved → proceedadd_to_cart(SKU-001, qty=1)⚠ STOCK LOCKED BY A✓ Counter A — PROCEED✗ Counter B — BLOCKEDLock auto-releases after 5 min if A cancels

Instant Device Sync — Broadcast Update Pipeline

ADMIN DASHBOARDOwner/ManagerUpdates price: SKU-042₹1,200 → ₹1,080REAL-TIMESYNC HUB≤ 50ms broadcastprice_update(SKU)COUNTER A✓ Price updated instantlyNo reload requiredCOUNTER B✓ Price updated instantlyNo reload requiredFLOOR TABLET✓ Price updated instantlyNo reload required

One-Click Tally Export — Ledger Mapping & Handover Flow

DAILY INVOICESCash Sales: ₹42,000UPI Sales: ₹28,500Card Sales: ₹11,300GST 5%: ₹2,115GST 18%: ₹7,434Returns: ₹1,200MAPPING ENGINEAuto-classifies ledgersSales → Sales LedgerGST → Tax LedgersUPI/Cash → Pay GroupsReturns → Debit NotesXML VOUCHER FILE<TALLYMESSAGE> <VOUCHER type="Sales"> <AMOUNT>42000</AMOUNT> <GST>18%</GST> </VOUCHER></TALLYMESSAGE>TALLY PRIMEImport Data → Vouchers✓ Sales Ledger — populated✓ GST Output — classified✓ Payment Groups — split✓ Debit Notes — issued① Store closes (EOD)② Click "Export for Tally"③ Download XML file④ Import → Tally (30s)
ACRSpace Product Guide & Client Onboarding Plan