LXUSB User Manual - The Shoestring Astronomy Store
Contents
1. Furthermore when connectors are placed at both ends of a cable it can be done with pin 1 to pin 1 or pin 1 to pin 6 If you build or buy a cable to work with the Shoestring Astronomy modified ja webcam interface products you must be absolutely sure that is has pin 1 connected to pin 1 pin 2 to pin 2 etc Otherwise you risk the possibility of unpredictable operation and possibly damage to your webcam and your Shoestring adapter If you build buy a cable please make sure that both ends of the cable are wired as shown in the picture at the right This view is with the connector lock tab facing away from you Note carefully the color and order of the six wires2. K then click OK again 6 Finally click Finish and you should be done Device Operation Verification Once you have completed the initial installation you may want to verify that the LXUSB is working properly before you begin to use it with your imaging software To do this you can download and install LXUSBCheck from the Shoestring Astronomy website This is simple software that allows you to turn the LED on and off change the color of the LED from red to green and to control the signals to your webcam It is intended to allow you to verify that everything is working properly Should you have trouble getting your third party imaging software to work using LXUSBCheck will also allow you to Page 3 troubleshoot your setup In other words if everything works with LXUSBCheck then your problem most likely is with your third party software Connecting the LXUSB to Your Webcam If you already have a modified webcam that uses a serial port or parallel port connector as shown on the Steve Chambers website you will need to modify it to use an RJ 12 connector There are two choices on how to do this One option is to put an RJ 12 jack on your webcam and use a RJ 12 modular cable to go from the webcam to the LXUSB The other option is to put an attached RJ 12 cable on your webcam one end with the modular RJ 12 connector the other end split apart and soldered directly into your webcam RJ 12 jacks and single ended RJ 12 cables are a
3. Shoestring Astronomy USB Modified Webcam Control Interface User Manual Model LXUSB Revision 1 1 Copyright 2005 Shoestring Astronomy www ShoestringAstronomy com Page 1 Introduction The Shoestring Astronomy USB Modified Webcam Control Interface is designed to allow personal computers to control the additional electrical signals that result when a webcam is modified for long exposure use per the methods of Steve Chambers www pmdo com or similar methods Because it is a USB device it is very convenient to install is compatible with many operating systems and requires no additional power source Features Plugs directly into your computer s USB port Receives it power from your computer via the USB port so no external power source or battery is necessary e Uses the USB HID Human Interface Device class driver which is included with most operating system such as Windows 98 Second Edition Windows 2000 and Windows XP There is no need for a proprietary driver e Provides electrical isolation This is important to avoid noise pickup and ground loops that may be difficult to troubleshoot e Red green LED for software dependent status indication Page 2 Initial Device Installation The first time you plug the LXUSB into a computer it will automatically be identified as anew device See the section below that applies to your operating system Operating systems prior to Windows 98 Second Edition do not support USB and
4. ble on your webcam one end with the modular RJ 12 connector the other end split apart and soldered directly into your webcam RJ 12 jacks LXJACK and single ended RJ 12 cables with couplers LXKIT1 are available from Shoestring Astronomy to support either option If you have not yet modified your webcam then choose either the jack or singled ended cable option and don t worry about a serial or parallel port connector If you choose to add the RJ 12 jack connect it to your webcam as shown Pin 1 Usually not connected but this may be power pin on some mounts Pin 2 Common ground Pin 3 Frame 2 Transfer Pin 4 CCD Amp Pin 5 Shutter Pin 6 Frame 1 Transfer Frame Transfer for SC 1 mods If you choose to add the attached cable wire it in by wire color as shown White Pin 1 No connection Black Pin 2 Common Red Pin 3 Frame 2 Transfer Green Pin 4 CCD Amp Yellow Pin 5 Shutter Blue Pin 6 Frame 1 Transfer Frame Transfer for SC 1 mods The function of these signals is discussed on Steve Chambers webpages at www pmdo com For the SCI modification only the Frame Transfer is used For the SC2 modification all four signals are used Cabling Between the LXUSB and the Webcam Jack With RJ 12 cables the six wires are colored white black red green yellow and blue Because the cable is flat the modular connector can be crimped onto the cable in two ways white to pin one or blue to pin one
5. d less shipping handling If you d like to apply your return credit to a new order we d be happy to do that Please include this information with your return We must receive the returned merchandise within 30 days of the date you received it All items must be in new mint condition Returned items cannot show evidence of use or wear dirt or blemishes of any kind Merchandise must be returned in its original packaging and should include all supplied materials instructions warranty cards original accessories hardware and any software provided Shoestring Astronomy is not responsible for lost or damaged packages Return shipping costs are the responsibility of the customer Page 5 Shoestring Astronomy LXUSB Cabling Revision 1 0 Copyright 2005 Shoestring Astronomy DISCLAIMER This document is intended to be a guideline only Shoestring Astronomy will not be held responsible for any direct or consequential damage that may result while or from making this modification This work will be done completely at the owner s risk Adding a Jack to Your Webcam If you already have a modified webcam that uses a serial port or parallel port connector as shown on the Steve Chambers website you will need to modify it to use an RJ 12 connector There are two choices on how to do this One option is to put an RJ 12 jack on your webcam and use a RJ 12 modular cable to go from the webcam to the LXUSB The other option is to put an attached RJ 12 ca
6. the HID class of devices After the first installation is complete the next time you plug the LXUSB into your computer it will remember that this device has already been installed once and will automatically recognize it To remove the LXUSB from your computer simply unplug it from the USB port Installation under Windows XP or Windows 2000 Plug the device into a USB port The red LED on the LXUSB should light immediately A Found New Hardware balloon will pop up on your monitor Wait a few moments and the text in the balloon should change to say Your new hardware is installed and ready to use It really is that simple Installation under Windows 98 Second Edition Win98SE installation is a little more work but still pretty simple Plug the device into a USB port The red LED on the LXUSB should light immediately 1 The Add New Hardware Wizard should open up Click the Next button 2 The wizard will then say What do you want Windows to do Select Search for the best driver then click the Next button 3 The wizard then says Windows will search for new drivers Uncheck all the boxes and click Next 4 Next the wizard says Windows driver file search for the device and should show the location as CAWINDOWSWUNRHIDDEV INF Just click the Next button 5 At this point you will probably be asked to insert the Windows 98 Second Edition CD ROM Do this then click O
7. the pins and this will not work properly Page 4 Limited Warranty In no event shall Shoestring Astronomy be liable for any claim for incidental or consequential damage arising out of or in connection manufacture delivery or use of any product offered on this website or by information received by US mail E mail data files or fax All products are guaranteed to the original purchaser to be free from defects in material and workmanship for a period of one year from the date of purchase At its option Shoestring Astronomy will repair or replace the defective product Shoestring Astronomy is not responsible for damage caused by the freight carrier 1 e UPS FED EX etc to our product A claim to repair or replace the product must be initiated by the recipient Warranty coverage excludes normal wear and tear or damage caused by improper installation any modification abuse misuse improper maintenance and unauthorized repairs or modifications to the original product Warranty does not cover those parts prone to failure under normal wear and tear Any product repair request must be submitted and approved before shipment to Shoestring Astronomy Shipper is responsible for proper packaging shipping and insurance on approved repair items Shoestring Astronomy will package insure and return ship at no cost to the customer Return Policy Merchandise may be returned in new mint condition within 30 days of receipt for exchange or a full refun
8. vailable from Shoestring Astronomy to support either option If you have not yet modified your webcam then choose either the jack or singled ended cable option and don t worry about a serial or parallel port connector If you choose to add the RJ 12 jack connect it to your webcam as shown Pin 1 No connection Pin 2 Common Pin 3 Frame 2 Transfer 123456 Pin 4 CCD Amp Pin 5 Shutter Pin 6 Frame 1 Transfer Frame Transfer for SC 1 mods If you choose to add the attached cable wire it in by wire color as shown White Pin 1 No connection Black Pin 2 Common Red Pin 3 Frame 2 Transfer Green Pin 4 CCD Amp Yellow Pin 5 Shutter Blue Pin 6 Frame 1 Transfer Frame Transfer for SC 1 mods The function of these signals is discussed on Steve Chamber s webpages at www pmdo com For the SC1 modification only the Frame Transfer is used For the SC2 modification all four signals are used Once you have the proper modifications made to your webcam connecting the LXUSB Guide Port Adapter to your webcam is quite simple If you added the attached cable simply plug it in to the LXUSB If you decided to add the RJ 12 jack to your webcam make sure that the cable you use is properly constructed You can buy one from Shoestring Astronomy you can make your own or buy them elsewhere but be sure that the wires connect straight through i e pin 1 to pin 1 etc Some cables reverse the order of
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