Specifications

Zaxcom TRX-900LT Series Manual Firmware

Firmware

Each unit is shipped with the latest firmware version installed. As newer firmware becomes available,

it can be downloaded from the Zaxcom website:

http://www.zaxcom.com/software-updates

Newer version of Beta software may be found on the Zaxcom Forums:

http://www.zaxcom.com/forum

Each time a unit is powered up, the firmware version number is displayed briefly on the LCD screen.

Pressing the DEC key during the boot up will slow down the screen to allow easier viewing of the

information.

Updating TRX Firmware

1. Download the firmware from the Zaxcom website and load it onto a formatted card.

2. Insert the card into the TRX transmitter.

3. Simultaneously hold down the INC and DEC keys while powering up the unit.

4. The screen will display “BURN ROM” with the version of firmware you are loading.

5. From power up to “DONE” will take about 30 seconds.

6. Upon completion, cycle the power to run on the new version.

WARNING: Do not power down the unit during the upgrade process. Before upgrading the software

be sure to insert a fresh set of batteries. If the unit should lose power during the upgrade, it will

need to be sent back to Zaxcom for repair.