Summary of Contents for IEI Technology VWBOX-122A
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Page 1: User Manual
VWBOX-122A/133A Video Wall Controller MODEL: VWBOX-UD133 Video Wall Controller Supports 2x2 and 3x3 LCD Panel Array User Manual Page 1 Rev. 1.01 – 12 August 2011... - Page 2 VWBOX-122A/133A Video Wall Controller Revision Date Version Changes 12 August 2011 1.01 Various changes 9 February 2009 1.00 Initial release Page 2...
- Page 3 VWBOX-122A/133A Video Wall Controller Copyright COPYRIGHT NOTICE The information in this document is subject to change without prior notice in order to improve reliability, design and function and does not represent a commitment on the part of the manufacturer. In no event will the manufacturer be liable for direct, indirect, special, incidental, or consequential damages arising out of the use or inability to use the product or documentation, even if advised of the possibility of such damages.
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Page 4: Table Of Contents
1.4.2 Rear Panel ......................4 1.5 T ..................4 ECHNICAL PECIFICATIONS 1.6 D ....................... 6 IMENSIONS 1.6.1 VWBOX-122A Dimensions ................6 1.6.2 VWBOX-133A Dimensions ................7 2 UNPACKING LIST ....................... 8 2.1 A ..................9 STATIC RECAUTIONS 2.2 P ......................9 ACKING 2.3 O... - Page 5 VWBOX-122A/133A Video Wall Controller 3.5.1.1 DVI Connector Specifications ..............16 3.5.2 Connect the RS-232 Cable to the VWBOX-122A/133A (Optional) ....17 3.5.3 Connect the VWBOX-122A/133A to the Power Supply ........18 3.6 R .............. 18 ESOLUTION AND ISPLAY HARTS 3.6.1 VWBOX-122A ....................19 3.6.2 VWBOX-133A ....................
- Page 6 VWBOX-122A/133A Video Wall Controller 5.1 A ..................50 STATIC RECAUTIONS 5.2 M ..................50 AINTENANCE VERVIEW 5.3 T ....................51 ROUBLESHOOTING 5.3.1 No Image on One Monitor ................51 5.3.1.1 Check Monitor Power ................51 5.3.1.2 Check Monitor Video Connection ............51 5.3.2 No Image on Two or More Monitors ..............
- Page 7 VWBOX-122A/133A Video Wall Controller List of Figures Figure 1-1: VWBOX-122A/133A ....................2 Figure 1-2: VWBOX-122A Front Panel ..................3 Figure 1-3: VWBOX-133A Front Panel ..................3 Figure 1-4: Rear Panel ....................... 4 Figure 1-5: Rear Panel ....................... 4 Figure 1-6: VWBOX-122A Dimensions ..................6 Figure 1-7: VWBOX-133A Dimensions ..................
- Page 8 VWBOX-122A/133A Video Wall Controller Figure 4-17: smartOSD Start Menu Folder ................38 Figure 4-18: smartOSD Additional Tasks ......Ошибка! Закладка не определена. Figure 4-19: smartOSD Ready to Install ......Ошибка! Закладка не определена. Figure 4-20: smartOSD Installing ........Ошибка! Закладка не определена.
- Page 9 Table 2-1: Package List Contents ................... 10 Table 2-2: Package List Contents ................... 10 Table 3-1: DVI Connector Pinouts ..................17 Table 3-2: VWBOX-122A Input and Output Resolution ............20 Table 3-3: VWBOX-133A Input and Output Resolution ............21 Table 4-1: OSD Menu Structure ....................27 Table 4-2: smartOSD Menu Structure ..................
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Page 11: Introduction
VWBOX-122A/133A Video Wall Controller Chapter Introduction Page 1... -
Page 12: Introduction
1.1 Introduction Figure 1-1: VWBOX-122A/133A The VWBOX-122A/133A video wall controller box is for displaying a single video input on an array of monitors, implementing a large display without the inherent high costs of a single large monitor. The VWBOX-122A/133A is for large displays where high definition video output is also essential. -
Page 13: External Interfaces, Switches And Leds
This section gives and overview of the connectors, switches and indicators on the VWBOX-122A/133A. 1.4.1 Front Panel The front panel has the following buttons and indicators: Power indicator LED Video output LEDs Video input LED OSD menu keypad Figure 1-2: VWBOX-122A Front Panel Figure 1-3: VWBOX-133A Front Panel Page 3... -
Page 14: Rear Panel
1 x Power input 1 x Power switch 1x Sync in 1 x Sync out Figure 1-4: Rear Panel Figure 1-5: Rear Panel 1.5 Technical Specifications VWBOX-122A/133A video box features are listed in Table 1-1. See Chapter 2 for details. Page 4... -
Page 15: Table 1-1: Technical Specifications
Outputs VWBOX-122A – 4 x DVI VWBOX-133A – 9 x DVI Dimensions (W x D x H) VWBOX-122A – 230 mm x 180 mm x 47 mm VWBOX-133A – 295 mm x 188 mm x 47 mm Fanless Cooling See Section 3.6: Resolution and Display Mode... -
Page 16: Dimensions
VWBOX-122A/133A Video Wall Controller 1.6 Dimensions This section gives the dimensions of the VWBOX-122A and VWBOX-133A. 1.6.1 VWBOX-122A Dimensions Height: 47 mm Width: 230 mm Depth: 180 mm Figure 1-6: VWBOX-122A Dimensions Page 6... -
Page 17: Vwbox-133A Dimensions
VWBOX-122A/133A Video Wall Controller 1.6.2 VWBOX-133A Dimensions Height: 47 mm Width: 295 mm Depth: 188 mm Figure 1-7: VWBOX-133A Dimensions Page 7... -
Page 18: Unpacking List
VWBOX-122A/133A Video Wall Controller Chapter Unpacking List Page 8... -
Page 19: Anti - Static Precautions
When the VWBOX-122A/133A is unpacked, please do the following: Follow the anti-static precautions outlined in Section 2.1. Make sure the packing box is facing upwards so the VWBOX-122A/133A does not fall out of the box. Make sure all the components shown in Section 2.2 are present. -
Page 20: Optional Items
VWBOX-122A/133A Video Wall Controller Description Image User manual CD DVI cable Table 2-1: Package List Contents 2.3 Optional Items The following optional items are available for the VWBOX-122A/133A: Description Image DVI cable Table 2-2: Package List Contents Page 10... -
Page 21: Installation
VWBOX-122A/133A Video Wall Controller Chapter Installation Page 11... -
Page 22: Requirements
Section 3.6 for the requirements. For best results, the monitors should all be identical. 3.1.3 Cables One dual-link DVI cable is included with the VWBOX-122A/133A. The following cables are required for installation: Video card to video box: one dual-link DVI cable (included) -
Page 23: Panel Setup Options
VWBOX-122A/133A Video Wall Controller 3.2 Panel Setup Options The VWBOX-122A and VWBOX-133A support multiple panel setups as shown in the subsections below. Dark black sections indicate the panels for the installation, and the bold number indicate which video output. 3.2.1 VWBOX-122A To setup the VWBOX-122A connect the monitors as shown below. -
Page 24: Vwbox-133A 2X3
VWBOX-122A/133A Video Wall Controller 3.2.3 VWBOX-133A 2x3 To implement a six-panel 2x3 monitor setup on the VWBOX-133A, connect the monitors as shown below. 3.2.4 VWBOX-133A 3x3 To implement a nine-panel 3x3 monitor setup on the VWBOX-133A, connect the monitors as shown below. -
Page 25: Mount Video Box
VWBOX-122A/133A Video Wall Controller 3.4 Mount Video Box The VWBOX-122A/133A must be placed on a table, desk or other firm surface. Optionally, the VWBOX-122A/133A can be mounted using the included mounting brackets. The installation location must be: Out of direct sunlight... -
Page 26: Dvi Connector Specifications
Attach the DVI cables from the video box DVI outputs to the monitors. Attach the Step 2: DVI cables as shown in Section 3.2: Panel Setup Options. Step 0: Figure 3-2: VWBOX-122A/133A Video Input 3.5.1.1 DVI Connector Specifications CN Label: DVI1... -
Page 27: Connect The Rs-232 Cable To The Vwbox-122A/133A (Optional)
Table 3-1: DVI Connector Pinouts 3.5.2 Connect the RS-232 Cable to the VWBOX-122A/133A (Optional) The VWBOX-122A/133A has a male DB-9 connector on the rear panel. The RS-232 cable connects to a computer that has the smartOSD software installed. This enables the computer to control the screen setup. -
Page 28: Connect The Vwbox-122A/133A To The Power Supply
VWBOX-122A/133A. Turn the VWBOX-122A/133A on using the power switch. 3.6 Resolution and Display Mode Charts The display modes are automatically set according to the input resolution. The input and output resolutions for the VWBOX-122A and VWBOX-133A are shown in the following subsections. Page 18... -
Page 29: Vwbox-122A
Certain display modes are only for multiple video box installations. For example: "Master to VWBOX-133A" is a setting for output to a VWBOX-133A "Slave to VWBOX-122A" is a setting for input from a VWBOX-122A. 3.6.1 VWBOX-122A Figure 3-4: VWBOX-122A Display Mode... -
Page 30: Vwbox-133A
640x480 Slave to VWBOX-122A 3392x1920 1696x960 55.58 Master to VWBOX-122A 1696x960 848x480 27.92 Slave to VWBOX-122A Table 3-2: VWBOX-122A Input and Output Resolution 3.6.2 VWBOX-133A Figure 3-5: VWBOX-133A Display Mode Mode Input Output Vertical Horizontal Monitor Ratio / Notes Resolution... -
Page 31: Setting Video Box And Graphics Card Resolution
VWBOX-122A/133A Video Wall Controller Mode Input Output Vertical Horizontal Monitor Ratio / Notes Resolution Resolution 3840x2160 1280x720 49.37 16:9 3840x2400 1280x800 48.2 16:10 3840x3072 1280x1024 63.98 4080x2304 1360x768 45.32 16:9 1920x1440 640x480 Slave to VWBOX-122A 3840x2880 1280x960 65.28 Master to VWBOX-122A Table 3-3: VWBOX-133A Input and Output Resolution 3.7 Setting Video Box and Graphics Card Resolution... -
Page 32: Figure 3-6: Video Card Output Resolution
VWBOX-122A/133A Video Wall Controller After restarting, check the output resolution. Right-click on the desktop and Step 2: select "Properties". Figure 3–6: Video Card Output Resolution Step 3: Select the "Advanced" video card setting. Uncheck "Hide modes that this monitor cannot display". -
Page 33: Bezel Compensation
VWBOX-122A/133A Video Wall Controller Figure 3–7: Don't Hide Display Modes 3.8 Bezel Compensation The bezel compensation setting compensates for the gaps between monitors in the video wall array. The bezel compensation sizes the image slightly larger than the visible screen to make the images on adjacent monitors line-up correctly. -
Page 34: Osd Functions
VWBOX-122A/133A Video Wall Controller Chapter OSD Functions Page 24... -
Page 35: Onscreen Osd
VWBOX-122A/133A Video Wall Controller 4.1 Onscreen OSD The OSD menu functions are described below. 4.1.1 OSD Buttons There are several on-screen-display (OSD) control buttons oriented either vertically on the right side of the monitor front panel or on the bottom of the monitor front panel. -
Page 36: Osd Menu
VWBOX-122A/133A Video Wall Controller Figure 4-2: Reset to Factory Defaults 4.1.3 OSD Menu The subsections below cover the layout and use of the OSD. The table below shows the OSD menu structure. Menu Options Description Mask Control MASK Toggles the mask function... -
Page 37: Mask Control
VWBOX-122A/133A Video Wall Controller Menu Options Description Shows the video box input resolution Slave Output Indicates which slave's value is displayed Resolution Slave's horizontal output resolution Slave's vertical output resolution Sync and Power SYNC For debugging Power Turns the power on and off... -
Page 38: Link Control
VWBOX-122A/133A Video Wall Controller Mask Toggles the mask function. With the mask function on, the image is adjusted to compensate for gaps between monitors in the video wall. Adjusts the amount of compensation from left to right. Adjusts the amount of compensation from top to bottom. -
Page 39: Slave Mask Setting
VWBOX-122A/133A Video Wall Controller SCAN This setting detects the attached slave boxes. 4.1.3.3 Slave Mask Setting The slave mask setting shows the mask setting on the slave video boxes. Figure 4-5: Slave Mask Setting This setting indicates which slaves settings are shown. -
Page 40: Settings
This setting is the output resolution from the video box. MODE This setting shows the video output mode of the video box. 2x2 video mode on the VWBOX-122A 2x1 video mode on the VWBOX-122A 1x1 video mode on the VWBOX-122A... -
Page 41: Warning
VWBOX-122A/133A Video Wall Controller 4.1.3.5 Warning Indicates that the output resolution on the computer should be adjusted to the shown value. Figure 4-7: Warning Change Setting Shows the value that the computer video output should be set to. 4.1.3.6 Information The information menu shows the current input and output resolutions. -
Page 42: Slave Video Box Output
VWBOX-122A/133A Video Wall Controller Displays the current output resolution. Displays the current input resolution 4.1.3.7 Slave Video Box Output The slave video box output setting shows the output resolution from the slave video box. Figure 4-9: Slave Video Box Output Indicates which video box slave settings are shown. -
Page 43: Sync And Power
VWBOX-122A/133A Video Wall Controller 4.1.3.8 Sync and Power The sync and power menu toggles sync and turns the power on and off. Figure 4-10: Sync and Power SYNC For debugging. POWER Turns the power off. 4.1.3.9 Firmware Information The firmware information screen shows the hardware versions of the onboard chips. -
Page 44: Serial Number
The first line displays the video box's model name. This displays the video box's serial number. 4.1.4 Remote Control The VWBOX-122A/133A comes with a remote control for easy configuration of OSD settings. F igure 4-13 shows the remote control and its function keys. -
Page 45: Figure 4-13: Remote Control
VWBOX-122A/133A Video Wall Controller Figure 4-13: Remote Control Power. Turns the video box on and off. Menu. Enters the OSD, selects items and sets the new values entered. Left. Moves the selection left. Right. Moves the selection right. Up. Moves the selection up. -
Page 46: Smartosd
VWBOX-122A/133A Video Wall Controller 4.2 smartOSD IEI smartOSD is a proprietary On-Screen-Display (OSD) software solution from IEI that enables easy, remote monitor setting adjustments in a Windows environment. IEI smartOSD delivers excellent performance and provides more flexibility than the typical OSD hardware solutions when adjusting a monitor. -
Page 47: Figure 4-14: Smartosd Language Selection
VWBOX-122A/133A Video Wall Controller Step 3: Installation starts automatically (Figure 4-14). Figure 4-14: Preparing to Install Step 4: The welcome screen shown below appears (Figure 4-15). Figure 4-15: smartOSD Welcome Screen Click N to continue. Step 5: Page 37... -
Page 48: Figure 4-16: Smartosd Installation Directory
VWBOX-122A/133A Video Wall Controller Step 6: Installation is ready to begin (Figure 4-16). Figure 4-16: Ready to Install Click I to continue the installation. Step 7: NSTALL The installation progress bar appears (Figure 4-17). Step 8: Figure 4-17: Installation Progress Bar... - Page 49 VWBOX-122A/133A Video Wall Controller When the installation is complete the screen below appears. Step 9: Figure 4-18: smartOSD Installation Complete Step 10: Click F to close the installation wizard. S t e p 0 : INISH Page 39...
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Page 50: Using The Smartosd
VWBOX-122A/133A Video Wall Controller 4.2.2 Using the smartOSD The table below shows the smartOSD menu structure (Table 4-2). Menu Options PC Setting Interface Selection Master Control Mask Control Panel Display Resolution Display Mode Mask Setting Slave Control Selection Panel Mask Selection... -
Page 51: Pc Setting
VWBOX-122A/133A Video Wall Controller 4.2.2.1 PC Setting The PC Setting page sets the command port to use for data communication between the video box and the computer. Figure 4-19: smartOSD PC Setting Selects the DVI input signal. Identify The Identify button shows a red square for each full image in the array. -
Page 52: Master Control Panel
VWBOX-122A/133A Video Wall Controller Displays the video box's serial number. 4.2.2.2 Master Control Panel The control panel page presents all the adjustable settings for the VWBOX-122A/133A. Figure 4-20: smartOSD Master Control Panel Mask Control The Mask Control options allow the images to be adjusted to compensate for the gaps between monitors in the video array. - Page 53 VWBOX-122A/133A Video Wall Controller The right side is fixed and the left side changes when adjustments are made (for right side video box in a two video box setup) The upper left corner is fixed and the lower right corner position...
- Page 54 VWBOX-122A/133A Video Wall Controller 1280 x 960 1280 x 1024 1360 x 768 1696 x 960 1920 x 1080 1920 x 1200 1920 x 1440 Display Mode The display mode sets the output mode of the video box as shown in Section 3.6: Resolution and Display Mode Charts...
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Page 55: Slave Control Panel
VWBOX-122A/133A Video Wall Controller 4.2.2.3 Slave Control Panel Figure 4-21: smartOSD Slave Control Panel Link Toggles the mask link between the master and slaves. DVI Connection Mode DVI connection mode selects what is connected to the output of the master video box. - Page 56 VWBOX-122A/133A Video Wall Controller The value of X and the value of Y can be adjusted to compensate for gaps between monitors (for single video box) The left side is fixed and the right side changes when adjustments are made (for left side video box in a two video box setup)
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Page 57: Master Data
VWBOX-122A/133A Video Wall Controller 4.2.2.4 Master Data The Master Data menu displays the current settings of the master video wall box. Figure 4-22: smartOSD Master Data Page 47... -
Page 58: About Page
VWBOX-122A/133A Video Wall Controller 4.2.2.5 About Page The About Page shows some general information about the smartOSD. Figure 4-23: smartOSD About Page Page 48... -
Page 59: Troubleshooting And Maintenance
VWBOX-122A/133A Video Wall Controller Chapter Troubleshooting and Maintenance Page 49... -
Page 60: Anti-Static Precautions
VWBOX-122A/133A and severe injury to the user. Electrostatic discharge (ESD) can cause serious damage to electronic components, including the VWBOX-122A/133A. Dry climates are especially susceptible to ESD. It is therefore critical that whenever the VWBOX-122A/133A, or any other electrical component is handled, the following anti-static precautions are strictly adhered to. -
Page 61: Troubleshooting
Check to see that the video cable is fitted correctly. Check that the monitor is connected to the VWBOX-122A/133A. Step 1: Securely attach the video cable to the panel and to the VWBOX-122A/133A. Step 2: Step 3: Fasten the video cable at both ends and tighten the video cable screws.S t e p 0 :... -
Page 62: Check Video Box Power
Check that the VWBOX-122A/133A is connected to the power supply.S t e p 0 : 5.3.3.2 Check Source Video Connection Check to that the source video cable is securely connected to the VWBOX-122A/133A. Securely attach the video cable from the video source to the Step 1: VWBOX-122A/133A. -
Page 63: Ars-232 Setup
VWBOX-122A/133A Video Wall Controller Appendix RS-232 Setup Page 53... -
Page 64: Setup
VWBOX-122A/133A Video Wall Controller A.1 Setup The serial port is used to remotely set and get the settings from the VWBOX-122A/133A. The serial port is used by user applications to change the settings of the VWBOX-122A/133A through a software interface. The serial port should be setup as... - Page 65 VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xEA Border Y same as 0xB2 Set border Y value 0-12 – 122A/133A 0-99 – E122/E133 0xB0 Output Display Empty No child: Resolution 0 – 640x480 1 –...
- Page 66 VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xE0 Sync Empty 0 – Sync off 1 – Sync on 0xE1 Connect Message Empty 1 – connect message every 5 seconds 0xD6 Power Mode Empty 0 –...
- Page 67 0 – XGA 1 – SXGA 2 – HDTV 3 – WUXGA 0xF0 Scan DVI output Empty 0 – OFF 1 – ON Table 5-2: VWBOX-122A Command Reference Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xB2 Border Control 0 –...
- Page 68 VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xEA Border Y same as 0xB2 Set border Y value 0-12 – 122A/133A 0-99 – E122/E133 0xB0 Output Display Empty Write: Resolution 0 – 640x480 1 – 1024x768 2 –...
- Page 69 VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xE1 Connect Message Empty 1 – connect message every 5 seconds 0xD6 Power Mode Empty 0 – power off 1 – power on 0xE2 Border Control Link Empty 0 –...
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Page 70: Table 5-2: N-Byte Data Output Format
VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xEC DVI connection mode Empty 0 – 4 x monitor 1 – 4 x 122A 2 – 4 x 133A 3 – 4 x E122 4 – 4 x E133... -
Page 71: Bddc2Bi Setup
VWBOX-122A/133A Video Wall Controller Appendix DDC2BI Setup Page 61... -
Page 72: Introduction
VWBOX-122A/133A Video Wall Controller B.1 Introduction The DDC2BI setup is for reading and setting the video box options through a VGA or DVI cable. B.2 Command Reference The digital I/O port is for external machines to read and write settings to the VWBOX-122A/133A. - Page 73 VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xB0 Output Display Empty 0 – 640x480 Resolution 1 – 838x480 2 – 1024x768 3 – 1280x720 4 – 1280x800 5 – 1280x960 6 – 1280x1024 7 –...
- Page 74 VWBOX-122A/133A Video Wall Controller Type UART Opcode Names High Byte Low Byte Opcode Opcode 0xE4 FPGA ver. Ver. no. high byte Ver. no. low byte 0xE5 CPLD ver. Ver. no. high byte Ver. no. low byte 0xE6 F/W ver. Ver. no. high byte Ver.
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Page 75: C Terminology
VWBOX-122A/133A Video Wall Controller Appendix Terminology Page 65... - Page 76 VWBOX-122A/133A Video Wall Controller COM refers to serial ports. Serial ports offer serial communication to expansion devices. The serial port on a personal computer is usually a male DB-9 connector. The digital inputs and digital outputs are general control signals that control the on/off circuit of external devices or TTL devices.
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Page 77: D Hazardous Materials Disclosure
VWBOX-122A/133A Video Wall Controller Appendix Hazardous Materials Disclosure Page 67... -
Page 78: Hazardous Materials Disclosure Table For Ipb Products Certified As Rohs Compliant Under 2002/95/Ec Without Mercury
VWBOX-122A/133A Video Wall Controller D.1 Hazardous Materials Disclosure Table for IPB Products Certified as RoHS Compliant Under 2002/95/EC Without Mercury The details provided in this appendix are to ensure that the product is compliant with the Peoples Republic of China (China) RoHS standards. The table below acknowledges the presences of small quantities of certain materials in the product, and is applicable to China RoHS only. - Page 79 VWBOX-122A/133A Video Wall Controller Part Name Toxic or Hazardous Substances and Elements Lead Mercury Cadmium Hexavalent Polybrominated Polybrominated (Pb) (Hg) (Cd) Chromium Biphenyls Diphenyl Ethers (CR(VI)) (PBB) (PBDE) Housing Display Printed Circuit Board Metal Fasteners Cable Assembly Fan Assembly Power Supply...
- Page 80 VWBOX-122A/133A Video Wall Controller 此附件旨在确保本产品符合中国 RoHS 标准。以下表格标示此产品中某有毒物质的含量符 合中国 RoHS 标准规定的限量要求。 本产品上会附有”环境友好使用期限”的标签，此期限是估算这些物质”不会有泄漏或突变”的 年限。本产品可能包含有较短的环境友好使用期限的可替换元件，像是电池或灯管，这些元 件将会单独标示出来。 部件名 部件名 部件名 部件名称 称 称 称 有毒有害物 有毒有害物 有毒有害物 有毒有害物质 质 质 质 或元素 或元素 或元素 或元素 铅 铅 铅 铅 汞 汞 汞 汞 镉 镉 镉 镉...
- Page 81 VWBOX-122A/133A Video Wall Controller Index Page 71...
- Page 82 VWBOX-122A/133A Video Wall Controller Remote Control........35 anti-static precautions ......52 anti-static pad ........52 Remote Contol ......... 35 anti-static wristband......52 remote control .......... 35 DVI connector ......... 16 troubleshooting ........53 electrostatic discharge ......52 unpacking unpacking checklist ........ 9 unpacking precautions ......