Upgrade Your Praecis Cf Time and Frequency Reference

Free Software Upgrades

We provide software upgrades for all our products at no charge.  The software available on this page is for the Praecis Cf only.

The latest binary image file:
6010-0001-001 v2.21

 

Upgrade Instructions

Please refer to your User Manual, Appendix B - Upgrading the Firmware, for instructions.  If you would like to download the manual click here.

Note:  Downloading a new binary image may cause your stored user settings (except for CHANNELSET and LEAP) to be reset to their factory defaults.  We recommend you make a note of your current user settings before downloading.  Use the SETTINGS command for a report of all settings.

If you have any problems with the upgrade please contact customer support by email or phone: 707-573-8633.

 

History of Software Changes

(Part Number 6010-0001-001)

Version Changes
2.21 Added ability to decode new CDMA channel frequencies for operation in South Korea and Hong Kong.
2.20 Added ability to decode additional CDMA channel frequencies for operation in India.
2.19 Changes are pertinent to GPS units and are not listed here.
2.18 Changes are pertinent to GPS units and are not listed here.
2.17 Fixed a CDMA signal processor problem that occurred, rarely, in units with standard TCXO oscillators.
2.16 Changes are pertinent to the rackmount units and are not listed here.
2.15 Changes are pertinent to rackmount units with high-stability oscillators and are not listed here.
2.14 Improved integrity checking on time information input.
2.13 Changes are pertinent to rackmount units with high-stability oscillators and are not listed here.
2.12 Added ability to allow user to set the local offset and Daylight Savings Time information.
2.11 Changes are pertinent to the rackmount units and are not listed here.
2.10 Changes are pertinent to the rackmount units and are not listed here.
2.09 Changes are pertinent to the rackmount units and are not listed here.
2.08 Added capability to decode CDMA timing information as the CDMA Mobile Telecommunications System evolves to 3G, which is based on the CDMA2000 specification.