Series 3700A Firmware Release Notes  Version 1.54 Release - Upgrade considerations 
3706A-850SV1.55a / June 2017 
Version 1.54 Release 
Upgrade considerations 
The 1.54 release can only be used on 3700A models. This release is not compatible with 3700 (non-A) models. 
Overview 
The following table lists the exact version numbers of the available Series 3700 components. 
 
Series 3700A High Performance DMM 
3720 Dual 1x30 Multiplexer 
3721 Dual 1x20 Multiplexer 
3722 Dual 1x48 High Density Multiplexer 
3723 Dual 1x30 High Speed Reed Relay Multiplexer 
3724 Dual 1x30 FET Multiplexer 
3730 Dual 6x16 High Density Matrix 
3731 Dual 6x16 High Speed Reed Matrix 
3732 Quad 4x28 High Speed Reed Matrix 
3740 32 Channel Isolated Switch 
3750 Multifunction I/O Card 
Critical fixes  
 
Models affected: 
Models 3706A, 3706A-S, 3706A-NFP, 3706A-SNFP. 
 
Symptom: 
Default Cal password incorrect. 
 
Workaround: 
None. 
 
Resolution: 
This issue has been corrected. 
 
Models affected: 
Models 3706A, 3706A-S, 3706A-NFP, 3706A-SNFP. 
 
Symptom: 
The instrument shows an overflow value after switching to detector-bandwidth of 300 when measuring 
AC-volts.  The autodelay function does not prevent the overflow. 
 
Workaround: 
None. 
 
Resolution: 
This issue has been corrected.