
Uniden BCD996T Firmware Revision Notes 1.04.12
As part of Uniden’s commitment to the continued support of the BCD996T, Uniden has, from time to
time, issued firmware updates. This update contains major enhancements to the BCD996T that directly
reflect requests from our customers. Please take a few minutes to read all of these instructions before
applying the update.
Notes:
• This update is cumulative…it incorporates all improvements made in all previous updates. You
need only apply this one update.
• Most update problems are caused by serial port issues. See the troubleshooting hints in the Update
Troubleshooting section if you have problems.
• Two great forums exist for sharing information about this scanner within the user community:
o The RadioReference forums (http://www.RadioReference.com/forums)
o The BCD996T Yahoo! Group (http://groups.yahoo.com/group/BCD996T)
• You must install this update in order to access and apply future updates to your BCD996T.
Contents:
1. What is changed by this update?
2. Backing Up Your Scanner
3. Applying the Update
4. Update Troubleshooting
5. Updating your Registration Information
6. Using the P25 Band Plan Setting
7. Using the Digital End Code Option (Unofficial)
8. Adjusting AGC Parameters (Unofficial)
What is Changed by This Update?
This firmware update makes the following change to your BCD996T scanner:
Add ESN Checksum
Previous Update 1.03.11
• Add compatibility for the BC-RH96 Remote Head.
• Add WACN display to P25 systems. Hold on a P25 control channel and press FUNC. The SysID
is replaced by the 5-digit hex WACN code.
• Fix “Multi Packet” issue on some P25 systems.
• Fix “Stops on Control Channel” issue for Motorola systems.
• Fix the “Ghost Talkgroups” issue where the incorrect talkgroup can be displayed for P25 systems.
• Fix the issue that causes the display backlight to unexpectedly change from Low to High.
• Improve P25 audio performance in the Auto Threshold mode.
• Improve digital audio performance with AGC when the person transmitting suddenly speaks
loudly.
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