Kramer NT-52P User Manual
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Kramer NT-52P User Manual

2-port universal i/o poe control gateway
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USER MANUAL

MODEL:
NT-52P
2-Port Universal I/O PoE Control Gateway
P/N: 2900-300586 Rev 1
www.KramerAV.com

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  • Page 1: User Manual

    USER MANUAL MODEL: NT-52P 2-Port Universal I/O PoE Control Gateway P/N: 2900-300586 Rev 1 www.KramerAV.com...

  • Page 6: Table Of Contents

    Achieving the Best Performance Safety Instructions Recycling Kramer Products Overview Defining the NT-52P 2-Port Universal I/O PoE Control Gateway Initial Configuration and Use Overview Configuring the NT-52P 2-Port Universal I/O PoE Control Gateway Setting Up an Ethernet Connection on the PC...
  • Page 7 Figure 2: Connecting the NT-52P for Initial Configuration Figure 3: Configuring a Remote Connection Figure 4: Connecting the NT-52P 2-Port Universal I/O PoE Control Gateway Figure 5: Local Area Connection Properties Window Figure 6: Internet Protocol Version 4 Properties Window...

  • Page 8: Introduction

    Room Connectivity; GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Video Products; GROUP 12: Digital Signage; GROUP 13: Audio; and GROUP 14: Collaboration. Congratulations on purchasing your Kramer NT-52P 2-Port Universal I/O PoE Control Gateway that is ideal for use in the following applications: •...

  • Page 9: Getting Started

    Avoid interference from neighbouring electrical appliances that may adversely influence signal quality • Position your NT-52P away from moisture, excessive sunlight and dust This equipment is to be used only inside a building. It may only be connected to other equipment that is installed inside a building.

  • Page 10: Recycling Kramer Products

    Kramer Electronics has made arrangements with the European Advanced Recycling Network (EARN) and will cover any costs of treatment, recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility. For details of Kramer’s recycling arrangements in your particular country go to our recycling pages at www.kramerav.com/support/recycling/.

  • Page 11: Overview

    I/O ports. The ports can be configured as bidirectional RS−232, crossed RS−232, RS−485, IR, GPI/O or relay control connections. Multiple control clients can be connected over IP to the NT-52P control gateway for concurrent control of devices, such as AV scalers, video projectors and displays, audio amplifiers, DVD players, sensors, screens, shades, door locks, and lighting.
  • Page 12 IP−clients over existing LAN. • Easy firmware upgrades, either remotely via existing LAN, or locally via USB device port. • Size – DigiTOOLS™ – Mount 3 units side-by-side in a 1U rack space with the optional RK−3T rack adapter. NT-52P – Overview...

  • Page 13: Defining The Nt-52P 2-Port Universal I/O Poe Control Gateway

    Cross, RS-485, Relay, IR, GPIO. See Table 1 for the mode of displayed text. When pressing a locked button, ‘Locked’ is displayed. ON LED Lights green when unit power is on NT-52P - Defining the NT-52P 2-Port Universal I/O PoE Control Gateway...
  • Page 14 LAN 12V DC Connector Connects to the 12V DC power supply, center pin positive. Not needed when the device is supplied power by a PoE power source NT-52P – Defining the NT-52P 2-Port Universal I/O PoE Control Gateway...
  • Page 15 P1 / P2 – Port 1 / Port 2 / IR – IR Port 1 / IR Port 2 / IO – IO Port 1 / IO Port 2 NT-52P - Defining the NT-52P 2-Port Universal I/O PoE Control Gateway...

  • Page 16: Initial Configuration And Use Overview

    To browse the NT-52P Web UI on taking the device out of the box: Use the default host name: NT-52P-xxxx, where xxxx are the last four digits of the serial number of the device.
  • Page 17 To configure the NT-52P: 1. Connect the Ethernet port on the rear panel of the NT-52P to a PC, either directly or via a LAN, (see Section 6.1). 2. Using a Web browser and the relevant IP address or host name (see Section 9.1), browse the General Info home page (see...

  • Page 18: Setting Up An Ethernet Connection On The Pc

    Setting Up an Ethernet Connection on the PC If the control application can directly connect to the Ethernet driver, select the host IP and port number according to your NT-52P configuration, as illustrated in Figure Figure 3: Configuring a Remote Connection...

  • Page 19: Connecting The Nt-52P

    Always switch off the power to each device before connecting it to your NT-52P. After connecting your NT-52P, connect its power and then switch on the power to each device. Figure 4: Connecting the NT-52P 2-Port Universal I/O PoE Control Gateway To connect the NT-52P as illustrated in the example in Figure 1.
  • Page 20 6. If the NT-52P does not receive power from a PoE provider, connect the device to the power supply and connect the power adapter to the mains electricity (as shown in Figure Changing the port mode resets the ports to their default state: GPIO goes to its low state and the relay goes to its open state.

  • Page 21: Connecting Via Ethernet

    6.1.1 Connecting the Ethernet Port Directly to a PC You can connect the Ethernet port of the NT-52P directly to the Ethernet port on your PC using a crossover cable with RJ-45 connectors. This type of connection is recommended during installation, following a factory reset that restores the default IP address.

  • Page 22: Figure 5: Local Area Connection Properties Window

    Figure 5: Local Area Connection Properties Window 4. Highlight Internet Protocol Version 4 (TCP/IPv4) and click Properties. The Internet Protocol Properties window relevant to your IT system appears as shown in Figure 6 Figure NT-52P – Connecting the NT-52P...

  • Page 23: Figure 6: Internet Protocol Version 4 Properties Window

    Figure 6: Internet Protocol Version 4 Properties Window Figure 7: Internet Protocol Version 6 Properties Window NT-52P - Connecting the NT-52P...

  • Page 24: Figure 8: Internet Protocol Properties Window

    6.1.2 Connecting the Ethernet Port via a Network Hub or Switch You can connect the Ethernet port of the NT-52P to the Ethernet port on a network hub or switch using a straight-through cable with RJ-45 connectors. NT-52P – Connecting the NT-52P...
  • Page 25 Mode 2. Connect the relay-controlled device to the configured port 1 or 2 terminal block, Common pin and either Normally Open or Normally Closed pin per needed operation mode, according to the connections shown in Table NT-52P - Connecting the NT-52P...

  • Page 26: Remote Operation Via The Web Ui

    Remote Operation via the Web UI The embedded Web UI can be used to remotely operate the NT-52P using a Web browser and an Ethernet connection. Before attempting to connect: • Perform the initial configuration in Section 5.1 and connecting via Ethernet in Section 6.1...

  • Page 27: Figure 9: General Info Page

    To load a configuration: 1. Click Load. The Explorer window opens. 2. Browse to the required file. 3. Select the required file and click Open. The device is configured according to the saved preset. NT-52P - Remote Operation via the Web UI...
  • Page 28 Baud Rate Stop Bits Send Replies to New Client by Default GPIO Port Settings (Figure 7.7) GPIO Port Trigger Type Pull-up Resistor Threshold VDC Range Min Threshold VDC Range Max Maximum Reported Steps NT-52P – Remote Operation via the Web UI...

  • Page 29: Setting The Port Types

    Web UI. Displaying Connected Clients The Connected Clients page (Figure 11) allows you to view the following details of any client devices connected via Ethernet to the NT-52P: • IP address • The port it is connected to •...

  • Page 30: Setting Device Name And Time Functions

    Device time, date, and time zone • Use a timeserver to set the time and date automatically using a (if the device is connected to the Internet), including the Time Zone and daylight savings time NT-52P – Remote Operation via the Web UI...

  • Page 31: Figure 12: Device Settings Page

    Figure 12: Device Settings Page The NT-52P has a built-in clock that can synchronize with a Time Server if required. To enable Time Server synchronization: 1. Browse to the Device Settings page by clicking Device Settings. The Device Settings page is displayed as shown in Figure 2.

  • Page 32: Setting Communication Parameters

    • Select the serial port • Set the following Ethernet parameters for each selected serial port: • Select TCP or UDP • IP port label • Enable or disable RS-485 termination NT-52P – Remote Operation via the Web UI...

  • Page 33: Figure 14: Serial Port Settings Page - Rs-232 Port Type

    Data bits • Baud rate • Stop bits • Select whether or not to send replies on the port to the new client Figure 14: Serial Port Settings Page – RS-232 Port Type NT-52P - Remote Operation via the Web UI...

  • Page 34: Figure 15: Serial Port Settings Page - Rs-485 Port Type

    To toggle RS-485 termination: • Verify that an RS-485 port type is selected (see Section 7.2) and click to enable or disable termination. Figure 15: Serial Port Settings Page – RS-485 Port Type NT-52P – Remote Operation via the Web UI...

  • Page 35: Setting Gpio Port Parameters

    Setting GPIO Port Parameters GPIO ports are used to connect and control hardware devices to the NT-52P such as sensors, switches and LED indicators that input and output digital signals and input analog signals. Figure 16: GPIO Port Settings Page...

  • Page 36: Figure 17: Gpio Port Settings Page Digital In

    Suitable, for example, for a high-temperature alarm that exceeds the maximum voltage threshold. When disabled, the port state is low and to be triggered it must be pulled high by the externally connected sensor. NT-52P – Remote Operation via the Web UI...

  • Page 37: Figure 18: Gpio Port Settings Page Digital Out

    Figure 18: GPIO Port Settings Page Digital OUT Set the trigger type to Digital Out. With this selection, the external device, (for example, an electric blind) is controlled by the NT-52P. When selecting the Digital Out trigger type, the warning popup shown in Figure 19 is displayed.

  • Page 38: Figure 20: Gpio Port Settings Page Analog In

    The voltage of each step is dependent on the number of steps selected. Individual step voltage equals 30V divided by the number of steps. When selecting the Analog In trigger type, the Pullup resistor and Threshold settings are disabled. NT-52P – Remote Operation via the Web UI...

  • Page 39: Setting Relay Port Status

    This means that if a relay is closed and power is lost, the relay returns to its default state. To return it to its pre-power loss state, the setting must be changed using either the Web UI or a Protocol 3000 command NT-52P - Remote Operation via the Web UI...

  • Page 40: Configuring Ir Command Learning

    Configuring IR Command Learning The IR Command Learner page allows you to teach the NT-52P IR commands. These can be saved for later use. While learning is in progress, the two blue and white activity LEDS of both ports light and the NT-52P is not available for normal operation.

  • Page 41: Activating Security

    Start Learning Button Press to start the learning process. Note: While learning is in progress, the four IR Out LEDS light and the NT-52P is not available for normal operation. Command Received Window Displays the command string received during the process.

  • Page 42: Figure 24: Security Confirmation Popup

    Figure 25: Authentication Required Popup 3. Enter the default username and password. 4. Click OK. 5. Wait until the Web UI has reloaded. Click the Security page button. The page show in Figure 26 is displayed. NT-52P – Remote Operation via the Web UI...

  • Page 43: Using The Logs Page

    6. If required, click OFF to turn security off, or change the password and click Change. 7.11 Using the Logs Page The Logs page allows you to: • View current logs • Configure the logs • Filter the logs NT-52P - Remote Operation via the Web UI...
  • Page 44 The display may not update automatically. Click Refresh to update the display. Use the Log Filter check-boxes to select which events to display from the log. Use the Log Config check-boxes to select which events are recorded. NT-52P – Remote Operation via the Web UI...

  • Page 45: Kramer Information

    7.12 Kramer Information The About Us page displays the Web UI version and the Kramer company details. Figure 28: About Us Page NT-52P - Remote Operation via the Web UI...

  • Page 46: Using Nt-52P Operations

    While learning is in progress, the NT-52P is not available for normal operation. To teach the NT-52P an IR command: 1. Put the NT-52P in IR Learning mode either by sending the Protocol 3000 command, (see Section 11.2) or by using the Web pages, (see Section 7.9).

  • Page 47: Resetting To The Factory Default Settings

    3. Turn on the power to the device while holding down the Reset button for a few seconds. 4. Release the button. The device is reset to the factory default settings. Upgrading the Firmware For instructions on upgrading the firmware see the “Kramer K-Upload User Manual”. NT-52P - Using NT-52P Operations...

  • Page 48: Technical Specifications

    W, D, H. Shipping weight 0.82kg (1.76lbs) approx. Accessories Included 12V DC power adapter, bracket set Optional RK-3T 19“ rack adapter, IR and serial cables – see www.kramerav.com/product/NT-52P Specifications are subject to change without notice at www.kramerav.com NT-52P – Technical Specifications...

  • Page 49: Data Handling Performance

    The total sustained data bandwidth that each device can handle for all ports simultaneously is 150kbps. Example Bandwidth Calculation The NT-52P has two serial ports. Each serial port can support up to: • 150kbps / 2 = 75kbps If each protocol command is 100 bytes, (that is, 800 bits), you can safely send and receive a minimum of 96 commands per second on each serial port.

  • Page 50: Default Parameters

    Data Bits: Stop Bits: Parity: None The NT-52P is dispatched from the factory with DHCP enabled and a random IP address. After performing a factory reset, the DHCP and the IP address are set to the values shown below. Ethernet...

  • Page 51: Kramer Protocol 3000

    Kramer Protocol 3000 The NT-52P can be operated using the Kramer Protocol 3000 serial commands. The command framing varies according to how you interface with the NT-52P. For example, a basic video input switching command that routes a layer 1 video signal to HDMI out 1 from HDMI input 2 (ROUTE 1,1,2), is entered as follows: •...

  • Page 52: Kramer Protocol 3000 - Syntax

    You can enter commands directly using terminal communication software (e.g., Hercules) by connecting a PC to the serial or Ethernet port on the NT-52P. To enter CR press the Enter key (LF is also sent but is ignored by the command parser).
  • Page 53 CRLF – For device messages; carriage return (ASCII 13) + line-feed (ASCII 10) Command chain separator character When a message string contains more than one command, a pipe ( '|' ) character separates each command. Spaces between parameters or command terms are ignored. NT-52P - Kramer Protocol 3000...
  • Page 54 You can directly enter all commands using a terminal with ASCII communications software, such as HyperTerminal, Hercules, etc. Connect the terminal to the serial or Ethernet port on the Kramer device. To enter CR press the Enter key. ( LF is also sent but is ignored by command parser).

  • Page 55: Kramer Protocol 3000 - Command List

    11.2 Kramer Protocol 3000 – Command List Command Description Protocol handshaking BUILD-DATE Read device build date COM-ROUTE Set/get tunneling port routing COM-ROUTE-ADD Add communication route tunnel connection COM-ROUTE-REMOVE Remove communication route tunnel connection Deletes a file List files ETH-PORT Sets protocol port...

  • Page 56: Kramer Protocol 3000 - Detailed Commands

    Set/get time synchronization from server UART Set/get a port serial parameters VERSION Get firmware version number 11.3 Kramer Protocol 3000 – Detailed Commands This section lists the detailed commands applicable to the NT-52P. 11.3.1 Functions Permission Transparency Set: End User...
  • Page 57 Parameters date – Format: YYYY/MM/DD where YYYY = Year, MM = Month, DD = Day time – Format: hh:mm:ss where hh = hours, mm = minutes, ss = seconds Response Triggers Notes K-Config Example “#BUILD-DATE?”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 58 This command sets tunneling port routing. Every com port can send or receive data from the ETH port. All com ports can be configured to the same ETH port. K-Config Example Set COM1 as RS-232, port 1, Eth port 1, send replies, keep alive 30 seconds: “#COM-ROUTE 1,1,1,1,30”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 59 Transparency COM-ROUTE-REMOVE Set: Administrator Internal Get: Description Syntax Remove a communication route #COM-ROUTE-REMOVE␠ComNum␍ Set: tunnel connection Get: Response ~nn@COM-ROUTE-REMOVE␠ComNum␍␊ Parameters ComNum – machine dependent Response Triggers Notes K-Config Example Remove comm port 1: “#COM-ROUTE-REMOVE 1”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 60 – file size in bytes. A file can take more space on device memory file_id – internal ID for file in file system free_size – free space in bytes in device file system Response Triggers K-Config Example “DIR”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 61 EthRepEn – 1 (COM port sends replies to new clients), 0 (COM port does not send replies to new clients) Wired – 1 (wired connection), 0 (not wired connection) Response Triggers Notes The response displays each tunnel in a separate line. K-Config Example “ETH-TUNNEL? 1”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 62 11.3.11 FORMAT Functions Permission Transparency FORMAT Set: Administrator Public Get: Description Syntax #FORMATCR Set: Format file system Get: Response ~nn@FORMATSPOKCR LF Parameters Response Triggers Notes Response could take several seconds until formatting completes K-Config Example “#FORMAT”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 63 – byte stream of file contents file_size – size of file (device sends it in response to give user a chance to get ready) Response Triggers K-Config Example Get a file named “test”: “#GET test”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 64 HwGpioType – hardware GPIO type: 0 (analog), 1 (digital) HwGpioDir – hardware GPIO direction: 0 (input), 1 (output) Pullup – enable/disable pull-up: 0 (disable), 1 (enable) Response Triggers Notes K-Config Example Configure GPIO 2 to analog input with pullup disabled): “#GPIO-CFG 2,0,0,0”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 65 Notes In digital mode the response is 2 In analog mode the response is 1 to 100 In other modes an error is returned K-Config Example Set GPIO 2 step 1 to 50: “#GPIO-STEP 2,1,50”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 66 Get voltage levels of HW GPIO #GPIO-VOLT?␠HwGpioNumber␍ Response ~nn@GPIO-VOLT␠HwGpioNumber,Voltage␍␊ Parameters HwGpioNumber – hardware GPIO number: 1-n Voltage – voltage 0 to 30000 millivolts Response Triggers Notes This command is not available in digital out mode K-Config Example “#GPIO-VOLT? 1”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 67 IR_Status – 0 (sent), 1 (stop), 2 (done), 3 (busy), 4 (wrong parameter), 5 (nothing to stop), 6 (start), 7 (timeout), 8 (error) Response Triggers K-Config Example Send the IR learning command volume up with a 3 second timeout: “#IR-LEARN vol_up,3”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 68 Pronto command – Pronto format command (in HEX format, without leading zeros or ‘0x’ prefix) Status – 0 (IR_SENT), 1 (IR_STOP), 2 (IR_BUSY), 3 (IR_WRONG_PARAM), 4 (IR- NOTHING_TO_STOP) Response Triggers K-Config Example Send a volume up command to port 3 and repeat five times: “#IR-SND 3,04,vol_up,5,1,1,4E 23 C4…”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 69 CmdName – a string, the alias of the IR command. The controlling device is responsible for sending the correct name Status – 0 (IR_SENT), 1 (IR_STOP), 2 (IR_BUSY), 3 (IR_WRONG_PARAM), 4 (IR- NOTHING_TO_STOP) Response Triggers K-Config Example Send a power off command to IR port 2: “#IR-STOP 2,06,power_off”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 70 Permission Transparency LOGOUT Set: Not Secure Public Get: Description Syntax #LOGOUTCR Set: Cancel current permission level Get: Response ~nn@LOGOUTSPOKCR LF Parameters Response Triggers Notes Logs out from User or Administrator permission levels K-Config Example “#LOGOUT”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 71 Response Triggers Notes This command identifies equipment connected to Step-in master products and notifies of identity changes to the connected equipment. The Matrix saves this data in memory to answer REMOTE-INFO requests K-Config Example “#MODEL?”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 72 The machine name is not the same as the model name. The machine name is used to identify a specific machine or a network in use (with DNS feature on) K-Config Example Set machine name to NT-52P-4321: “#NAME NT-52P-4321”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 73 NAME command. You can also get an assigned IP by direct connection to USB or RS-232 protocol port if available Consult your network administrator for correct settings K-Config Example Enable DHCP mode, if available: “#NET-DHCP 1”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 74 Get IP address Response ~nn@NET-IPSPip_addressCR LF Parameters ip_address – IP address, in the following format: xxx.xxx.xxx.xxx Response Triggers Notes Consult your network administrator for correct settings K-Config Example Set the IP address to 192.168.1.39: “#NET-IP 192.168.001.039”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 75 – format: xxx.xxx.xxx.xxx Response Triggers The subnet mask limits the Ethernet connection within the local network Consult your network administrator for correct settings Notes K-Config Example Set the subnet mask to 255.255.0.0: “#NET-MASK 255.255.000.000”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 76 Set the port lock #PORT-LOCK␠PortNumber,LockState␍ Get the port lock state Get: #PORT-LOCK?␠PortNumber␍ Response ~nn@PORT-LOCK␠PortNumber,LockState␍␊ Parameters PortNumber – port number: 1-n LockState – 1 (lock), 0 (unlock) Response Triggers Notes K-Config Example Lock port 3. “#PORT-LOCK 3, 1”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 77 485Term – 485 termination state: 1 (enable), 0 (disable) Response Triggers Notes 485Term is effective only when the port type is UART K-Config Example Change port 3 to relay and name it blinds: “#PORT-TYPE 3,3,blinds”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 78 Set relay state #RELAY-STATE␠RelayNumber,RelayState␍ Get: Get relay state #RELAY-STATE?␠RelayNumber␍ Response ~nn@RELAY-STATE␠RelayNum,RelayState␍␊ Parameters RelayNumber – relay number: 1-2 RelayState – relay state: 0 (open), 1 (close) Response Triggers Notes K-Config Example Close relay 2: “#RELAY-STATE 2, 1”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 79 To avoid locking the port due to a USB bug in Windows, disconnect USB connections immediately after running this command. If the port was locked, disconnect and reconnect the cable to reopen the port. K-Config Example “#RESET”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 80 Get device serial number Response ~nn@SNSPserial_numberCR LF Parameters serial_number – 11 decimal digits, factory assigned Response Triggers Notes This device has a 14 digit serial number, only the last 11 digits are displayed K-Config Example “#SN?”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 81 + 1 hour if daylight savings time is in effect TIME command sets the device time without considering these settings K-Config Example Set the time offset to GMT +2, standard time: “#TIME-LOC 2,0”,0x0D NT-52P - Kramer Protocol 3000...
  • Page 82 Notes This command is needed for setting UDP timeout for the current client list K-Config Example Connect the device to a time server at a given IP address, activate and sync at 6AM: “#TIME-SRV 1,xxx.xxx.xxx.xxx,06”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 83 485_term – 1/0 (optional - this exists exist only when serial1_type = 485) Response Triggers Notes In NT-52P the serial port is selectable to RS-232 or RS-485 (usually serial port 1). If Serial1 is configured when RS-485 is selected, the RS-485 UART port is automatically changed K-Config Example Configure RS-232 com port 1 to 9600 baud, 8 data bits, no parity, 1 stop bit: “#UART 1,9600,8,N,1,0”0x0D...
  • Page 84 Set: VERSION? Get: End User Public Description Syntax Set: #VERSION?CR Get: Get firmware version number Response ~nn@VERSIONSPfirmware_versionCR LF Parameters firmware_version – XX.XX.XXXX where the digit groups are: major.minor.build version Response Triggers Notes K-Config Example “#VERSION?”,0x0D NT-52P – Kramer Protocol 3000...
  • Page 86 SAFETY WARNING Disconnect the unit from the power supply before opening and servicing For the latest information on our products and a list of Kramer distributors, visit our Web site to find updates to this user manual. We welcome your questions, comments, and feedback.

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