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All software and firmware Downloads are licensed solely for use within the Communications Equipment (scanner and/or PC) and remain the property of GRE, Inc. The user of these Downloads is explicitly prohibited from attempting to capture, decompile, reverse engineer, or disassemble the Object Code, or in any other way convert the Object Code into a human readable form or to modify the Downloads in any way.

 » News » GRE PSR-800 Project 25 Phase 2 Public Beta Firmware Upgrade
 GRE PSR-800 Project 25 Phase 2 Public Beta Firmware Upgrade
Posted By: GRE Support Team On: 13 Oct 2012 06:51 AM
Details GRE PSR-800 Project 25 Phase 2 Public Beta Firmware Upgrade - RELEASE

GRE is pleased to offer this public beta upgrade to enhance the functionality and
performance of your PSR-800 digital trunked scanning receiver. Please take a moment
to review the release notes and installation instructions before proceeding with the
upgrade.

IMPORTANT NOTICE: The software included in this archive is experimental beta
software. While some testing has been done to ensure that there are no major issues
with this software, there is always a chance that something may have been missed in
testing that could cause a loss of your current scanner programming. We recommend
that you make a backup of your scanner’s current programming before performing these
upgrades. There will be no official support for these beta versions of firmware and
software.

Should you desire to return to the current release versions of the CPU and DSP
firmware, you may use the PC Application’s Check for CPU Updates and Check for DSP
Updates options. See the " Reverting to the current public release versions" section at
the end of this document for specific instructions on returning to the current release
versions.

CPU Beta Firmware version U1.7 Release Notes

• This experimental beta CPU software adds APCO Project 25 Phase 2 functionality to
the PSR-800 and must only be used in conjunction with the companion beta DSP
version U1.2 included in this upgrade.

• When this version is installed, the uP Appl Ver line on the version screen (accessed
by pressing menu when the welcome message is displayed after a power up) will
show as version 1.7.

• Project 25 Phase II, 4 slot TDMA voice is not supported.

• Radio IDs, on Phase 2 voice channels, will not be displayed – unless they came from
the CC before tuning to the voice channel. Radio IDs are not decoded from the voice
channel data.

• Priority talkgroups are not supported when tuned to Phase 2 voice channels.
• Don't use "custom tables" for Phase 2 systems unless you really know what you're
doing (let the scanner handle tables)

• When a Phase 2 talkgroup is active, the scanner will display “D2” instead of “DG”.


DSP Beta Firmware version U1.2 Release Notes

• This experimental beta DSP software adds APCO Project 25 Phase 2 functionality to
the PSR-800 and must only be used in conjunction with the companion beta CPU
version U1.7 included in this upgrade.


EZ Scan DG PC Application Beta version 1.07 Release Notes

• Added options to the custom trunking tables to support Phase 2 operation. Unless
you really know what you are doing, we recommend using the automatic option.


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