Upgrade Your Praecis Ce Time & Frequency Engine
Free Software Upgrades
We provide software upgrades for all our products at no charge. The software available on this page is for the Praecis Ce Time & Frequency Engine only.
- The latest binary image file:
- 6010-0001-002 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.
History of Software Changes
(Software Part Number 6010-0001-002)
| 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 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. |
