How do I change the batteries in my OWL +USB?

Battery compartments are in the rear of both the Monitor and the Sender.

4 screws need to be removed to access the transmitter Battery compartment, a small crosshead screwdriver is ideal for this.

Please ensure that batteries are fitted in the correct polarity, as failure to do so will mean the unit will not work and may cause internal damage to the circuitry.

THE OWL +USB monitor can be connected to the PC when it needs new batteries. This will keep it powered up to ensure no data loss occurs, doing this will maintain the Device ID and continuity of data in the software.

The Transmitter batteries should be changed by removing the four screws if required.

If this is achieved, pressing the CHECK button on the Transmitter, and the SEARCH button on the monitor should be enough to reconnect the two components.

If a restart is required, or the units have been out of pairing for some time due to battery loss, then the following full reset instructions are preferred.

Full RESET PAIRING.

Note:- a small implement such as the end of a paper clip is required to press the RESET buttons.

  1. Bring the Transmitter and Display next to each other. Do not connect the Sensor to the Transmitter at this stage.

  2. Remove the batteries from both units and please replace them unless you are certain that they are new and good.

  3. Insert the batteries into the Transmitter and the Display. A tone will be heard from the Display.

  4. Press the Transmitter RESET button, located either on the back or inside the battery compartment.

  5. Press and hold the CHECK button on the front or inside the battery compartment of the Transmitter until the LED light starts to flash.

  6. On the Display, press and hold the SET button. A tone will be heard.

    Continue to hold the SET button, whilst pressing and releasing the RESET button, and a second tone will be heard. All the segments should appear on the Display followed by a third tone at which point the SET button can be released.

    IMPORTANT – Take care to hold the Set button until the third tone is heard. The sequence will not complete successfully without this.

    The Display will show “----“, which should flash meaning that the display is searching for the Transmitter.

    NOTE – pressing SET and RESET together can by quite tricky and it may take a few attempts to work out which hand to use for which button.

  7. After a maximum of 2 minutes, and normally much more quickly, “0” should now be in the middle of the display, in which case the Transmitter and Display are successfully paired together. If “----“ is still showing on the Display screen and if the SET / RESET sequence has taken you more than about 20 seconds, try pressing the Transmitter CHECK button again, or repeat the whole procedure.

  8. When pairing is complete, replace the battery compartment covers to the Transmitter and Display.

  9. Reset your voltage, tariff and other settings in accordance with the User Manual. Ensure that the date is correctly set to agree with your P.C. This is important for successful data connection.

  10. Ensure the Sensor is correctly clipped to the live cable from your meter. Plug the Sensor into the Transmitter and the Display should show a reading within 10 – 20 seconds.

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