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PRAXSYM PST User Manual

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Practical Systems Transmitter User's Manual

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Summary of Contents for PRAXSYM PST

  • Page 1 Practical Systems Transmitter User’s Manual...
  • Page 2 PRACTICAL SYSTEMS TRANSMITTER Praxsym Warranty Statement PRAXSYM warrants that all items will be free from defects in material and workmanship under use as specified in this guide for a period of one year from date of delivery. PRAXSYM further agrees to repair or replace, at its discretion, any failure which upon PRAXSYM's inspec- tion appears to be a result of workmanship or material defect.

  • Page 3: Table Of Contents

    1.2 Functional Description 2.0 Operation 2.1 Battery Charging 2.2 Keypad Definition 2.3 Display Definition 2.4 Menu Navigation 2.5 Controlling the PST Remotely 2.6 Installing the USB Serial Driver 3.0 Serial Interface Operation 3.1 Configuring Tera Term Pro 3.2 Commands 3.3 Error Messages 4.0 Specifications...

  • Page 4: Introduction

    AC/DC wall adapter included. 1.2 Functional Description The PST will power on to a splash screen with the Praxsym Logo, and immediately proceed to the main operation screen. The previous settings from the last use will be retained. The transmitter will not power on transmitting RF energy, though it may have been powered off previously while transmitting.

  • Page 5: Operation

    2.0 Operation 2.1 Battery Charging The PST transmitter is fully operational while the batteries are being charged. Charging can occur whether or not the unit is powered on. When “batt low” appears in the battery icon, the battery life is nearing its end.

  • Page 6: Keypad Definition

    PRACTICAL SYSTEMS TRANSMITTER 2.2 Keypad Definition ON/OFF—Turns unit on or off Numerals 0-9—Enter a new frequency, amplitude level or step size, select corresponding menu item choice where applicable SEL—Select. Toggles between frequency, amplitude and step size on the main screen or chooses highlighted menu option in applica- ble screens.
  • Page 7 P R A X S Y M P R A X S Y M Battery Charger jack & status LED Ch. 1 Ch. 2 USB Port Page 4...

  • Page 8: Display Definition

    PRACTICAL SYSTEMS TRANSMITTER 2.3 Display Definition The tabs may be toggled between Frequency, Amplitude and Step with the touch screen, with the size for both channels may be active channel band noted at the top controlled using SEL to change between the three, while the arrow keys make adjustments to the values...
  • Page 9 P R A X S Y M Lock status of Indicates setting Battery Level the keypad is which may be indicator Indicated by adjusted using the the padlock icon arrow keys Page 6...

  • Page 10: Menu Navigation

    System Settings contains options to change Baud Rate or Disable/ Enable Transmitting when the Frequency is changed. If Disable On New RF is ‘ON’, the PST will not transmit when a new fre- quency is entered. If a new step size does not require change of frequency, the PST will continue transmitting.

  • Page 11: Controlling The Pst Remotely

    When power is applied to the transmitter, it will return to the last entered frequency. *contact Praxsym for assistance if USB serial port does not appear on Com 4 or 3 Page 8...

  • Page 12: Installing The Usb Serial Driver

    Set the target channel CH=X<CR> Set the frequency in MHz FR=XXXX.yyyy<CR> See Section 3.3 for a complete listing of all error responses. 2.6 Installing the USB-Serial Driver Plug the PST into an available USB port with the supplied cable. Click ‘Next’ Page 9...
  • Page 13 P R A X S Y M P R A X S Y M Leave on the default setting and click ‘Next’ Put your USB driver CD-ROM into your computer CD drive. Click ‘Next’ Page 10 Page 6...
  • Page 14 PRACTICAL SYSTEMS TRANSMITTER Click ‘Finish’ You can now go to the ‘Device Manager’ and verify the driver was in- stalled successfully. Also note the COM number designated for the USB drivers. Page 11...

  • Page 15: Serial Interface Operation

    P R A X S Y M P R A X S Y M 3.0 Serial Interface Operation 3.1 Configuring Tera Term Pro Open the Terminal setup window from the Setup Menu. Select CR+LF for Receive and CR for Transmit. Enable Local Echo. Also within the Setup menu, choose the Serial Port option.
  • Page 16 PRACTICAL SYSTEMS TRANSMITTER QUERY COMMANDS FR?<CR> Returns the current frequency setting in the form XXXX.yyyy (MHz). Example: 950.0000 MN?<CR> Returns the lowest frequency that the currently se lected channel can be set in the form XXXX.yyyy (in MHz). See “FR?” for example. MX?<CR>...

  • Page 17: Error Responses

    P R A X S Y M P R A X S Y M 3.3 Error Responses Invalid commands will be acknowledged with an error re- sponse. An error response will consist of 4 ASCII bytes fol- lowed by a carriage return. The error code consists of the two characters ER followed by a two-character error status code.

  • Page 18: Specifications

    PRACTICAL SYSTEMS TRANSMITTER 4.0 Specifications 4.1 Electrical Specifications Frequency Range: 310-010108-001 805-960MHz 10kHz, 12.5kHz steps 1850-1990MHz 30kHz, 200kHz steps 310-010108-002 805-960MHz 10kHz, 12.5kHz steps 1710-1880MHz 200kHz steps RF Power Output: -10 to +10dBm 4.2 Environmental Specifications Temperature Range: 0-50C 4.3 Mechanical Specifications RF Connectors: Display: Transflective 128x64 Black/White...

  • Page 19: Shipping Settings

    P R A X S Y M 4.4 Shipping Settings Frequency Channel 1 894.0000MHz Channel 2 1875.0000MHz Channel Spacing Channel 1 30.0kHz Channel 2 200.0kHz Amplitude Channel 1 +10dBm Channel 2 +10dBm Baud Rate 9600 Disable On New RF Backlight 100% Backlight Timeout 1 minute...
  • Page 20 P R A X S Y M Version 060206...

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