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4.0/5.0 Series Firmware Revision History

This model is not capable of firmware updates in the field so no files are available for download. Contact Lectrosonics if you need a firmware update.

 

SMQV, SMV, SMB/E01, SMDB/E01 v5.5 - 20 April 2016

SMQV, SMV, SMB/E01, SMDB/E01 v5.4 - 26 August 2015

SMQV, SMV, SMB/E01, SMDB/E01 v5.3 - 20 January 2014

Added 25 kHz tuning step mode.

SMQV, SMV, SMB/E01, SMDB/E01 v5.2 - 08 May 2013

No user-apparent changes. Simplified factory configuration and alignment process by adding several serial commands and one new diagnostic menu screen.

SMQV, SMV, SMB/E01, SMDB/E01 v5.1 - 17 April 2013

Changed PLL lock/unlock guard times to prevent erroneous cycling of RF output amplifier during factory alignment.

SMQV, SMV, SMB/E01, SMDB/E01 v5.0 - 27 March 2013

SMQV, SMV, SMB/E01, SMDB/E01 v4.9 - 18 September 2012

Increased power level (and thus the accuracy) of the microprocessor brownout detection circuit.

SMQV, SMV, SMB/E01, SMDB/E01 v4.8 - 07 August 2012

Building on the improvements in v4.6, created a protected memory storage class for crucial system setup and calibration parameters.

SMQV, SMV, SMB/E01, SMDB/E01 v4.7 - 30 July 2012

Restored factory access to battery telemetry settings, lost since v4.5. Nothing else changed since v4.6.

SMQV, SMV, SMB/E01, SMDB/E01 v4.6 - 25 July 2012

SMQV, SMV, SMB/E01, SMDB/E01 v4.4 - 30 April 2012

Added logic to ensure that audio buffers remain synchronized after a sleep/wake cycle.

SMQV, SMV, SMB/E01, SMDB/E01 v4.3 - 10 April 2012

Changed volume control logic to accommodate a reworking of the volume control circuit. All 17446 audio boards (backlit LCD) receive this hardware and firmware update.