Now, when the power button is pressed and held to turn the transmitter on or off, the countdown timer is replaced by a progress bar. The delay before RF output is enabled has been reduced from 3 seconds to 1.5 seconds.
Now, when the power button is pressed and held to turn the transmitter on or off, the countdown timer is replaced by a progress bar. The delay before RF output is enabled has been reduced from 3 seconds to 1.5 seconds.
Fix bug in the SD card recording function causing saved files to sometimes be twice as long as expected, with no audio in the second half of the file.
SMWB/X, SMDWB/X Firmware Update v2.11 – 15 July 2025
LED Off menu now offers three choices: on, off, and always off. “AlwOff” keeps the LEDs off through a power cycle. All three options are also selectable from the main page by pressing the keypad UP and DOWN arrow keys.
SMWB/X, SMDWB/X Firmware Update v1.58 – 15 July 2025
LED Off menu now offers three choices: on, off, and always off. “AlwOff” keeps the LEDs off through a power cycle. All three options are also selectable from the main page by pressing the keypad UP and DOWN arrow keys.
LED Off menu now offers three choices: on, off, and always off. “AlwOff” keeps the LEDs off through a power cycle. All three options are also selectable from the main page by pressing the keypad UP and DOWN arrow keys.
Improve subsonic high-pass filtering to eliminate faint audio artifacts.
Initial release of firmware for new product shipping with 8.xx firmware. It contains no new features. Do not install in units with 1.xx or 2.xx firmware.
SMWB/X, SMDWB/X Firmware Update v2.10 – 21 October 2022
Implement changes for ease of manufacturing. No new features.
SMWB/X, SMDWB/X Firmware Update v1.57 – 21 October 2022
Resetting unit to factory defaults now resets menu cursors to starting location.
Implement changes for ease of manufacturing. No new features.
SMWB/X, SMDWB/X Firmware Update v1.56 – 26 January 2022
Eliminate a 2.75 kHz audio tone audible in some units when the Remote Control feature was enabled.
Improve reliability of “auto-on” operation.
SMWB/X, SMDWB/X Firmware Update v2.09 – 27 December 2021
Eliminate a 2.75 kHz audio tone audible in some units when the Remote Control feature was enabled.
Improved reliability of “auto on” operation.
Menu cursor is now reset to the first item when default settings are restored.
Model number is now identified as “SMWB/X” on the LCD.
The Clock setup page now shows running seconds and allows the seconds field to be edited.
The accuracy of battery telemetry reporting has been improved. Transmitters that have already been calibrated at the factory will remain correctly calibrated when taking this update.
The LCD backlight “off” setting now operates correctly after a power cycle.
SMWB/X, SMDWB/X Firmware Update v1.54 – 30 August 2021
The Clock setup page now shows running seconds and allows the seconds field to be edited.
The accuracy of battery telemetry reporting has been improved. Transmitters that have already been calibrated at the factory will remain correctly calibrated when taking this update.
The LCD backlight “off” setting now operates correctly after a power cycle.
Fix bug causing user interface to freeze when viewing the details of a take.
SMWB/X, SMDWB/X Firmware Update v2.04 – 31 October 2019
Long recordings are now split into 4 GB segments to increase maximum recording time.
SMWB/X, SMDWB/X Firmware Update v1.53 – 31 October 2019
Long recordings are now split into 4 GB segments to increase maximum recording time.
SMWB/X, SMDWB/X Firmware Update v2.03 – 28 August 2019
Released for SMWB/X with serial number 1501 and higher, and SMDWB/X with serial number 1601 and higher only.
Fixed problem sometimes resulting in the message “NO RESPONSE FROM CARD” was displayed at the end of a recording. (The recording was intact but it was necessary to turn the transmitter off and on again before using the card again.)
SMWB/X, SMDWB/X Firmware Update v1.52 – 28 August 2019
Fixed problem sometimes resulting in the message “NO RESPONSE FROM CARD” was displayed at the end of a recording. (The recording was intact but it was necessary to turn the transmitter off and on again before using the card again.)
SMWB/X, SMDWB/X Firmware Update v2.02 – 27 August 2019
Released for SMWB/X with serial number 1501 and higher, and SMDWB/X with serial number 1601 and higher only.
Transmitter now handles failed IR sync operations more gracefully.
The “slow card” warning page has been made more informative and less alarming. The “REC” icon continues to blink as the verbiage “Warning: slow card” is displayed. The BACK button is soft-labeled “OK” to confirm.
SMWB/X, SMDWB/X Firmware Update v1.51 – 27 August 2019
Corrected absolute audio polarity.
Transmitter now handles failed IR sync operations more gracefully.
The “slow card” warning page has been made more informative and less alarming. The “REC” icon continues to blink as the verbiage “Warning: slow card” is displayed. The BACK button is soft-labeled “OK” to confirm.
SMWB/X, SMDWB/X Firmware Update v2.01 – 01 April 2019
Released for SMWB/X with serial number 1501 and higher, and SMDWB/X with serial number 1601 and higher only.
Corrected absolute audio polarity.
SMWB/X, SMDWB/X Firmware Update v1.54 – 30 August 2021
The Clock setup page now shows running seconds and allows the seconds field to be edited.
The accuracy of battery telemetry reporting has been improved. Transmitters that have already been calibrated at the factory will remain correctly calibrated when taking this update.
The LCD backlight “off” setting now operates correctly after a power cycle.
The user interface no longer freezes when viewing the details of a take.