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  • HAI 1105W — PC Access for Windows Dealer Software Owner's Manual

    August 31, 2026 4 min read

    Owner's manual for the HAI Model 1105W PC Access for Windows Dealer Software, covering installation, remote/local/network access, and modem troubleshooting for OmniLT/Omni/OmniPro controllers.

    Full text manual (for reference)

    Owner's manual for the HAI (Home Automation, Inc.) Model 1105W PC Access for Windows Dealer Software (v2.9c) — the dealer/installer program for remotely and locally configuring OmniLT, Omni, Omni II, OmniPro, and OmniPro II home automation controllers.

    Overview

    • Model: 1105W — PC Access for Windows, Dealer Software
    • Supports OmniLT, Omni, Omni II, OmniPro, and OmniPro II systems
    • Runs on Windows 95/98/NT/ME/2000/XP
    • Connects to the customer's system via telephone modem, direct RS-232/RS-485 serial connection, or network (Ethernet/Internet) with a secure encrypted link on OmniPro II's Ethernet port

    What the Software Does

    • Create and maintain customer account files
    • Download an account file to a customer's system, or upload one from it
    • Print account files
    • Download PC Access software updates from the Internet
    • Create/view/modify programs, and view/modify unit, zone, button, code, area, and message names and voice descriptions
    • View/modify setup information; view the event log
    • View live status of system, zones, units, and temperatures
    • Send control, security, button, temperature, and message commands to a customer's system

    Installation & First Run

    1. Insert the 1105W Dealer PC Access CD, run Setup from the CD drive, and follow on-screen prompts.
    2. On first run, you'll be prompted for a security stamp — any value you choose — used to encrypt your account files. Write it down and store it safely: reinstalling the software or moving to another PC requires the same stamp to access existing account files.
    3. Enter the default login password PASSWORD at the welcome screen, then change it via Configure > Password. The software cannot be used without a valid password; forgetting it requires reinstalling to restore the default.
    4. Default communications are serial on COM1. Use Configure > Modem or Configure > Serial to change the port/baud rate as needed.
    5. To reinstall/reset (e.g. forgotten password), delete the PCA01.CFG file and relaunch — the Install dialog reappears.

    File compatibility note: Starting with v2.4, the account/config file formats changed. This version can open old account files (re-saving upgrades them to the new format); older PC Access versions can open v2.4+ files but will lose the new information if re-saved with the older version. The configuration filename also changed from PCA.CFG to PCA01.CFG (auto-imported from the old file if the new one isn't found).

    Checking for Updates

    Use File > Check for New Version to launch the Internet Update Wizard (requires an internet connection; close any open account files and disconnect from any controller first). The process typically takes under a minute on a broadband connection. Restart the program after an update completes.

    Main Menu Structure

    • File: Open, Close, Save, Save As, New, Import, Export, Download from PC, Upload to PC, Print, About, Check for New Version, Exit
    • Setup: Codes, Programs (Edit Program When/Command/&If), Dial, Arming, Names/Voice, Misc, Installer (Control, Zones, Communicator, Area, Temperature, Misc, Expansion)
    • Show: Events, Status
    • Command: Control, Security, Button, All Lights On, All Units Off, Temperature, Message, Set Time
    • Connect: Modem (Local Access, On-line, Answer Callback, Hang Up, Initialize), Serial, Network
    • Configure: Modem, Serial, Network, Password

    Accessing the Customer's System

    Remote Modem Access

    Dial into the customer's system by phone using the Connect > Modem menu; enter the master or PC Access code when prompted to enter PC Access mode.

    Remote Modem Access with Callback

    A security feature where the customer's system hangs up and calls the dealer back rather than staying connected inbound:

    1. Perform steps 1–2 of normal remote access (dial in, enter code).
    2. The system hangs up and initiates a callback.
    3. Hang up your telephone.
    4. When your phone rings, select Answer Callback from Connect > Modem. The status indicator changes from OFF-LINE to ON-LINE.

    Local Modem Access (at the customer's site)

    1. Connect your PC's modem to the customer's phone line.
    2. From a phone on the same line, press # (or # then the master code in high-security mode).
    3. Enter ##1 to enter PC Access mode.
    4. Enter the master or PC Access code when prompted.
    5. When you hear the modem tone, select On-line from Connect > Modem.
    6. Hang up the telephone when you hear the PC's modem tone — the status changes to ON-LINE.

    Alternatively, the Local Access command automates the dial sequence — the modem command string must be preconfigured with the customer's security code (e.g. ATS11=150DT###19876 for security code 9876).

    Serial Connections

    Requires logging in with the 4-digit code stored under Setup > Codes (Code 1 must be a valid Master or PC Access code). Baud rate (75–9600) is set under Configure > Modem.

    Network Connections (OmniPro II only)

    1. Open an OmniPro II account file.
    2. Go to Configure > Network. Enter the controller's local IP address (e.g. 10.0.0.230) if on the same network, or the public IP/domain name (e.g. 134.42.112.8) if connecting over the internet.
    3. Enter the configured port number.
    4. Go to the Encryption tab and enter the two-part encryption key exactly as shown on the console.
    5. Click OK, then Connect > Network > Connect. The status shows "On-Line" when successful.

    If the connection fails, verify the IP address, port, and encryption key match the console display, and that the first two octets of the controller's IP match your local network.

    Modem Troubleshooting

    • Confirm your modem is Hayes-compatible and, for OmniLT/Omni/OmniPro, capable of 300 bps Bell 103 protocol.
    • External modems typically use COM1/COM2; internal modems typically COM3/COM4 (check Control Panel > System > Device Manager > Modem).
    • Set the correct COM port and baud rate under Configure > Modem.
    • Default initialization string: AT&FX0S0=0S10=20&C1&D2 — restores factory settings, disables auto-answer, sets 2-second carrier-loss timeout, enables true carrier-detect reporting, and hangs up on DTR drop. Consult your modem's manual for any additional required AT commands.
    • Disable software handshaking (software flow control) — use hardware (RTS/CTS) handshaking or none.
    • Try disabling error correction and data compression on the modem if problems persist.

    License & Warranty

    Single-computer license; software may be copied only for backup/archival purposes and may not be reverse-engineered, decompiled, or leased. HAI warrants the software will perform substantially per its documentation for one year from receipt; remedy is refund, repair, or replacement at HAI's discretion. No other warranties are expressed or implied.