User Manual
TX91503 – 915 MHz PowerSpot Transmitter
Rev 12.0 – 2022/10 User’s Manual - TX91503 Transmitter Page 3
www.powercastco.com
Note: The PowerSpot transmitter will not transmit the RF energy that is used for power
and data as described above while the Snooze is being set.
Note: When setting the Snooze, the transmitter’s time is automatically synced with the
time of the mobile phone.
Note: If power is disconnected from the PowerSpot transmitter, any previously set
Snooze will be deleted.
Time re-syncing for the PowerSpot transmitter:
1. To re-sync the PowerSpot transmitter’s time with the mobile phone, navigate to the
“Snooze” tab in the PowerSpot app
2. Enter the transmitter’s ID and hit “Sync Time”
3. The app will report that the time has been set successfully or not
If a firmware upgrade is available for the PowerSpot transmitter:
1. Unplug the power to the PowerSpot transmitter
2. Press and hold the top button down
3. With the button still pressed, plug the transmitter back in. Once powered on, the LED
will be solid green and you can let go of the button
4. Within 2 minutes, navigate to the “Scan Devices” tab of the PowerSpot app.
“PowerSpot” with a download icon should be available. Tap the download icon and then
“Upgrade” to begin the firmware update.
5. Once the upgrade is complete, the app will report “Done”.
Note: If the PowerSpot transmitter is not connected to the app within 2 minutes, it will
automatically return to normal operation.
Note: The transmitter will not transmit the RF energy that is used for power and data as
described above during a firmware upgrade.
To determine the current firmware version of your transmitter:
1. Press and hold the button on the top of the PowerSpot transmitter for at least 5
seconds
2. Continue holding the button and utilize the “PowerSpot” app on the “Scan Devices” tab
to determine the firmware version
Note: The PowerSpot transmitter will stop communicating the firmware version and
return to normal operation when the button is released.