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PicoAPRS V4
Engineered by Taner Schenker
DB1NTO
Usermanual
www.wimo.com
- 1- ©Taner Schenker, 13. December 2022

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Summary of Contents for WiMo PicoAPRS V4

  • Page 1 PicoAPRS V4 Engineered by Taner Schenker DB1NTO Usermanual www.wimo.com - 1- ©Taner Schenker, 13. December 2022...
  • Page 2: Table Of Contents

    Table of contents 1. PicoAPRS V4........................4 1.1 Optional equipment....................5 1.2 Recommended plug-on antennas................5 1.3 Safety instructions......................6 2. Operation..........................7 2.1 Installing and removing the battery................7 2.2 Device overview......................8 2.3 General information....................8 Turn ON........................8 Software updates......................8 2.4 Mainscreen.........................9 5-Way button......................11 On-screen keyboard....................11 Mainscreen in APRS modes..................12...
  • Page 3 APRS Symbol......................33 TX Interval........................34 MyCall........................34 MySSID........................35 APRS Frequency......................36 My Comment......................37 3.12 FM Voice Settings....................37 3.13 Device Info......................38 4. Technical specifications....................38 5. Troubleshooting......................38 6. Manufacturer information....................39 7. EU CE Declaration of Conformity................40 8. Disclaimer........................41 www.wimo.com - 3- ©Taner Schenker, 13. December 2022...
  • Page 4: Picoaprs V4

    1. PicoAPRS V4 PicoAPRS V4 is one of the smallest, if not the smallest radio in the world with this range of functions! As the "V4" in the name already suggests, this is already the fourth generation of the "tiny one".
  • Page 5: Optional Equipment

    Recommended Magnetfic mount antennas Order. Nr. 20117.SMA DIAMOND MR-77S Magnetic mount antenna, 4m cable, foot 65mm diameter 20119.SMA DIAMOND MR-75S Magnetic mount antenna, 3m cable, foot 30mm diameter 20111.SMA No-Name Magnetic mount antenna, 3m cable www.wimo.com - 5- ©Taner Schenker, 13. December 2022...
  • Page 6: Safety Instructions

    Pb = battery contains more than 0.004% lead by mass Cd = battery contains more than 0.002 percent by mass of cadmium Hg = battery contains more than 0.0005 percent by mass of mercury www.wimo.com - 6- ©Taner Schenker, 13. December 2022...
  • Page 7: Operation

    3. Remove the battery from the device at the rear end of the battery (recessed grip). Insert in reverse order, please note the alignment of the battery contacts to the contacts in the PicoAPRS. www.wimo.com - 7- ©Taner Schenker, 13. December 2022...
  • Page 8: Device Overview

    5-way button 2.3 General information - PicoAPRS V4 can only be operated with an inserted battery. - A charging process is only displayed when the device is switched on. However, the battery is also charged when the device is switched off.
  • Page 9: Mainscreen

    The following information is displayed on the main screen: Number of used GPS satellites GPS-state „RX“/„TX“ Indicator Bluetooth®-state Betriebsmodus WIFI®-state Battery state Info area Button Function Button function RIGHT LEFT UP/DOWN buttons are assigned functions www.wimo.com - 9- ©Taner Schenker, 13. December 2022...
  • Page 10 Powersave"), no GPS symbol will appear at this point. A small "D" to the right of the number means that "Differential GPS" (WAAS/EGNOS) is used via SBAS signal and the precision of the GPS position is more accurate. www.wimo.com - 10- ©Taner Schenker, 13. December 2022...
  • Page 11: 5-Way Button

    Example images of the on-screen keyboard. Depending on the situation, you can with the key "abc - ABC - !?/" (bottom left in the image), switch between upper case letters, lower case letters and special characters. www.wimo.com - 11- ©Taner Schenker, 13. December 2022...
  • Page 12: Mainscreen In Aprs Modes

    * With the right button you get to the FM settings (chapter 3.12). * The OK button emits a 1750Hz tone for 3 seconds. * Use the Up/Down buttons to change the volume. www.wimo.com - 12- ©Taner Schenker, 13. December 2022...
  • Page 13: Automatic Display Of Received Aprs Packets In Aprs Modes

    Distance is then calculated using your last known GPS position. OPEN "OPEN" opens a page with three options - „Follow“ „WHO IS “ „Show QR Code“ „Send Message “ www.wimo.com - 13- ©Taner Schenker, 13. December 2022...
  • Page 14: Follow

    With the selection "Send Message" you go directly to the menu for sending a message and only have to enter the message text. The destination call sign and SSID are taken from the displayed station. For more see "New Message". www.wimo.com - 14- ©Taner Schenker, 13. December 2022...
  • Page 15: Received Status Message

    Callsign and SSID of received sation State text (if exists) Closes this Open message - Received textmessage („SMS“) Callsign and SSID of sender Message text Closes this Reply to this message message www.wimo.com - 15- ©Taner Schenker, 13. December 2022...
  • Page 16: Received Weather Packet

    It is possible that only individual values are displayed and a "0" appears for the other values. *There are weather reports with or without position data. If weather data without position data is received, no distance is displayed. www.wimo.com - 16- ©Taner Schenker, 13. December 2022...
  • Page 17: Menu

    WIFI Status ◦ RX WIFI APRS ◦ Webconfig ◦ WIFI reconnect ◦ Last Weather data • Radio Settings • Messages • Received messages ◦ Sent messages ◦ New Messages ◦ Set Bulletin ◦ www.wimo.com - 17- ©Taner Schenker, 13. December 2022...
  • Page 18: Power Off

    WARNING: There is no guarantee that your emergency call will be received or heeded! Only use this emergency call message if you have no way of making the emergency call via established channels (e.g. telephone)! www.wimo.com - 18- ©Taner Schenker, 13. December 2022...
  • Page 19: Settings

    - FM + WIFI APRS: FM radiotelephone operation via VHF and APRS usage via the WIFI internet connection. - Fill in Digi: PicoAPRS retransmits APRS packets received over VHF if they were received with the path "WIDE1-1, .." www.wimo.com - 19- ©Taner Schenker, 13. December 2022...
  • Page 20: Brightness

    On the other hand, the GPS speed may not be displayed correctly on the main screen. In addition, the distance to other stations is then only calculated and displayed using the last known GPS position. www.wimo.com - 20- ©Taner Schenker, 13. December 2022...
  • Page 21: Beep

    Metrical km/h, km, Degrees Celsius, mm/h → Imperial mp/h, Miles, Degrees Fahrenheit, in/h → Nautical Knots, Nautical Meiles, Degrees Celsius, → mm/h 3.3 Exit Try it, you will be surprised ;-) www.wimo.com - 21- ©Taner Schenker, 13. December 2022...
  • Page 22: Gps

    Sats in view shows the number of visible GPS, GLONASS and GALILEO satellites. H-DOP stands for horizontal position accuracy. The smaller the number, the more accurate the position. www.wimo.com - 22- ©Taner Schenker, 13. December 2022...
  • Page 23: Speedometer

    If you are moving below about 5km/h, the arrowhead turns red and shows you the absolute direction (so up means north). If you are moving over 5km/h, the arrowhead will turn green and show you the direction www.wimo.com - 23- ©Taner Schenker, 13. December 2022...
  • Page 24: My Car

    When starting this menu item and after pressing the right button ("CLEAR"), the center is used as a reference. Red dots on the edge mean that the deviation is outside the displayable range (> 12 meters). www.wimo.com - 24- ©Taner Schenker, 13. December 2022...
  • Page 25: Last Heard

    A maximum of 20 of the stations last listened to are saved. When all 20 memory locations are occupied, the entry is overwritten again, starting with the first. The list is deleted when you switch off. www.wimo.com - 25- ©Taner Schenker, 13. December 2022...
  • Page 26: Bluetooth

    "Cancel". 3.7 WIFI® WIFI setup Starts a scan for WiFi® networks. You will then see all the available networks as shown in the next image as an example. www.wimo.com - 26- ©Taner Schenker, 13. December 2022...
  • Page 27: Wifi Status

    Shows you the network name, the IP and MAC address of your PicoAPRS as well as the WiFi® field strength and the WiFi® transmission power. The transmission power is adjusted depending on the reception field strength. www.wimo.com - 27- ©Taner Schenker, 13. December 2022...
  • Page 28: Rx Wifi Aprs

    The right button "QR Code" shows you this address as a QR code, which you can scan with a smartphone. Below is an example of what the "Webconfig" page looks like in a computer browser. www.wimo.com - 28- ©Taner Schenker, 13. December 2022...
  • Page 29: Wifi Reconnect

    1 watt. Green tick means 1 watt. VHF BW Wide sets the channel bandwidth to 25kHz. If this item is not activated, the channel width is 12.5KHz. FM Noise Cancel. Enables noise reduction. www.wimo.com - 29- ©Taner Schenker, 13. December 2022...
  • Page 30: Messages

    The list is deleted when you switch off. If there are received text messages, previously closed messages can be read again and replied to here. Callsign & SSID of the sender Message text www.wimo.com - 30- ©Taner Schenker, 13. December 2022...
  • Page 31: Sent Messages

    Destination Enter the call sign and then the SSID of the recipient. To enter the SSID, you can confirm the selection "OK" (bottom right in the picture) or select the "hyphen" (-). www.wimo.com - 31- ©Taner Schenker, 13. December 2022...
  • Page 32: New Message Destination Ssid

    → New Message Text Enter the message text here. "Space" inserts a space. "<" deletes the last character "OK" ends the text input and leads to the next step www.wimo.com - 32- ©Taner Schenker, 13. December 2022...
  • Page 33: New Message → Confirm

    (according to the table) and also graphically for most symbols. Not every graphic symbol is present in the PicoAPRS. The primary table is always used! A translation table can be downloaded e.g. from http://wa8lmf.net/aprs/APRS_symbols.htm. www.wimo.com - 33- ©Taner Schenker, 13. December 2022...
  • Page 34: Tx Interval

    It is used to send position reports and receive personal text messages. If previously set, the currently set call sign is displayed here. To delete or correct the entry, press the virtual key "<". www.wimo.com - 34- ©Taner Schenker, 13. December 2022...
  • Page 35: Myssid

    -10 internet, Igates, echolink, winlink, AVRS, APRN, etc -11 balloons, aircraft, spacecraft, etc -12 APRStt, DTMF, RFID, devices, one-way trackers*, etc -13 Weather stations -14 Truckers or generally full time drivers -15 generic additional station, digi, mobile, wx, etc www.wimo.com - 35- ©Taner Schenker, 13. December 2022...
  • Page 36: Aprs Frequency

    Australia: 145.175 MHz ARISS, WIDE2-1 converted. Thailand: 145.525 MHz To use APRS via the International Space ISS (Space Station): 145.825 MHz Station (ISS), it is sufficient to set the frequency. www.wimo.com - 36- ©Taner Schenker, 13. December 2022...
  • Page 37: My Comment

    - Memory Scan starts a search over the stored frequencies that were specified for a "Scan Stop". - TX power 1W switches the transmission power for FM radiotelephone operation between 1 watt (green tick) and 0.5W (no tick). www.wimo.com - 37- ©Taner Schenker, 13. December 2022...
  • Page 38: Device Info

    Weight: ca. 60 grams 5. Troubleshooting If your PicoAPRS shows a malfunction, please remove the battery and, if applicable, the USB power supply for a few seconds and then reinsert the battery. www.wimo.com - 38- ©Taner Schenker, 13. December 2022...
  • Page 39: Manufacturer Information

    6. Manufacturer information WiMo Antennen und Elektronik GmbH Am Gäxwald 14 76863 Herxheim Germany Tel. +49 (0) 7276 9668-0 http://www.wimo.com e-mail: info@wimo.com www.wimo.com - 39- ©Taner Schenker, 13. December 2022...
  • Page 40: Eu Ce Declaration Of Conformity

    The notified body Bay Area Compliance Labs Corp.(BACL) (EU Identification Number: 1313) performed a conformity assessment according to Annex III, Module B. Signed on behalf of WiMo Antennen und Elektronik GmbH Name: Volkmar Junge Title: Certification Supervisor Signature Tel: +49 7276 96680 Mail: info@wimo.com (V. Junge) Date: October 23, 2022 www.wimo.com...
  • Page 41: Disclaimer

    The views and conclusions contained in the software and documentation are those of the authors and should not be interpreted as representing official policies, either expressed or implied, of the FreeBSD Project. www.wimo.com - 41- ©Taner Schenker, 13. December 2022...

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