Operating instructions

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FIRMWARE UPDATE

5.1.

Introduction

HQView-325 has an USB port which allows a PC connection. With the Calibre PC Updater tool new

firmware can be installed on HQView-325 for feature upgrades and bug fixes.

5.2.

Updating Firmware

HQView-325 accepts firmware downloads in a dedicated Updater mode. The unit is put in Updater

mode by pressing and keeping the Menu key pressed at power up. If the Menu key is released within 10

seconds after power up HQView-325 is in Updater mode. Otherwise, HQView-325 is started normally.

Whilst the Menu key is still pressed the On LED is flashing. When in Updater mode the On LED is

flashing two times, then switched off, then flashing two times again, then switched off and so forth. Now

the USB connection between PC and HQView-325 needs to be established and the Calibre PC Updater

tool to be started. The PC Updater tool allows to browse and select a firmware file in BREC format.

Once a BREC is selected the Update Firmware button has to be pressed and the firmware download to

the HQView-325 into non volatile flash RAM starts. After completion of the download HQView-325

needs to be restarted normally (without pressing the Menu key) for the change to take effect.