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<h2><a name="firmwareVersions">Firmware Versions</a></h2>
<p>This section shows the firmware versions currently installed in the K3 and the newest versions available in your computer's firmware folder.</p>
<img src="FirmwareTabVersions.PNG" width="581" height="571" vspace="10">
<h4><a name="MCU">MCU</a></h4>
<p>The Microcontroller Unit on the K3 front panel board that manages the operation of the K3.</p>
<h4><a name="DSP1">DSP1</a></h4>
<p>The main receiver's Digital Signal Processor.</p>
<h4><a name="DSP2">DSP2</a></h4>
<p>The sub receiver's Digital Signal Processor, present only if the KRX3 second receiver option is installed and enabled through the K3 CONFIG menu.</p>
<h4><a name="DVR">DVR</a></h4>
<p>The Digital Voice Recorder, present only if the KDVR3 Digital Voice Recorder option is installed and enabled through the K3 CONFIG menu.</p>
<h4><a name="Installed">Installed in K3</a></h4>
<p>Indicates the firmware versions installed in the K3 for each of these processors. 
<strong>N/A</strong> indicates that the hardware option is not installed or has not been enabled through the K3 CONFIG menu.</p>
<h4><a name="Available">Available</a></h4>
<p>Indicates the most recent (highest version number) firmware files in the firmware folder.
<strong>Missing</strong> indicates that the firmware folder does not contain all of the firmware files necessary to load the processor.</p>
<p>See <a href="TroubleShootingMissingFiles.htm">Missing Files</a> for a description of the files required for each processor.</p>
