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The NUE-PSK Digital Modem
is a standalone, battery-operated digital
modem using Microchip dsPIC technology. Weighing about 12 ounces and
requiring only 60ma at 12V DC, the modem is easily taken to the field. For
easy visibility in high or low ambient light, the NUE-PSK modem's backlit
graphic LCD displays transmit and receive text data, as well as band
spectrum and tuning indicator. When coupled with a standard PS2 or USB
keyboard and an SSB-capable transceiver, you can have an effective
portable PSK31 station.
NUE-PSK Digital Modem Operator's Manual, ver 1.20
1
Copyright 2008, American QRP Club
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Table of Contents
Related Manuals for American QRP Club NUE-PSK
Summary of Contents for American QRP Club NUE-PSK
- Page 1 Microchip dsPIC technology. Weighing about 12 ounces and requiring only 60ma at 12V DC, the modem is easily taken to the field. For easy visibility in high or low ambient light, the NUE-PSK modem’s backlit graphic LCD displays transmit and receive text data, as well as band spectrum and tuning indicator.
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Page 2: Table Of Contents
A better solution is to make a few simple modifications on the pc board, as described and illustrated on the NUE-PSK website at www.nue-psk31/batt_mod Neither the earlier “EBS” modems nor the later modem kits have this problem. And the coming Round 2 modems will be okay too. -
Page 3: Introduction
But there’s hope! The NUE-PSK Digital Modem offers a unique way for hams to get on the air using the digital modes. No PC is required, thus enabling one to communicate using PSK31. This self-contained, hand-held modem connects to your SSB transceiver and allows you send and receive text data using the PSK31 digital mode. -
Page 4: Specifications
Lightweight: < 1 lb with batteries. Control for precise audio level control to transceiver > > Cable assembly provided (plug and shielded cable) for connection to the SSB transceiver NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 5: Power
A USB keyboard may be used if it has built-in PS2 support. Most USB keyboards that are sold with a USB to PS2 adapter will work, using the adapter. NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 6: Operation
“TUNE” at the top left of the display. The modem is now generating a continuous tone, which is fed to the audio input of the rig. The PTT signal from the NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 7: Macros
This way, whenever you enter a new call sign using Ctrl+T, you do not need to re-record the macro to use the new call sign. NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 8: Configuration Menu
EEPROM and they will loaded and put in effect when you next turn on the modem. See a useful list of available menus and hot key assignments on the next page. NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 9: Hot Keys
5x: ALT+Right Arrow 10x: ALT+Up Arrow Useful macro combination (Or enter your own custom ones!) Call “them” twice w/ toggle Call “them” once w/o toggle Brag File Test message NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 10: Updating Modem Software
What a great way to keep your project completely up to date with the latest features! We have incorporated this field updating capability into the NUE-PSK Digital Modem. You just need to connect your PC serial port to the modem using a simple adapter, and send it the new software obtained from the NUE-PSK website whenever new capabilities are made available. - Page 11 So, now that you are ready, next perform the following steps to connect the PC to your modem using your serial port ... 4) Connect the serial interface between the NUE-PSK modem programming port and the PC -- You will typically need to connect your serial adapter to a serial port cable that is plugged into your computer, and then connect the adapter to the 4-position "Field...
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Page 12: Tips & Techniques, And "Things To Watch Out For
PSK31 mode. Please be sure to read the corresponding section on the NUE-PSK website containing lots of tips on this topic. b) Inserting Plugs to the Modem – You will want to be sure that you fuly insert the Radio and Keyboard plugs into the connectors on the modem. -
Page 13: Technical Support
NUE-PSK. You can view all the messages posted there, and if you join (for free!), you will be able to post questions and comments yourself, as well as access the files in the group. -
Page 14: Appendix A: The Radio Cable
Cable Type B OR … To help owners get on the air as quickly as possible with their new modems, we have made certain custom cables available for purchase from the NUE-PSK website. If interested, see www.nue-psk.com for available options. -
Page 15: Appendix B: Schematic
Appendix B: Schematic NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club... -
Page 16: Appendix C: Release Notes
Supply Voltage ... is displayed in the splash screen on the display during power-up. Helpful when running on batteries to see the starting voltage level of the supply. NUE-PSK Digital Modem Operator’s Manual, ver 1.20 Copyright 2008, American QRP Club...
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