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Viavi
OBS-500/550
19
4 O
PERATION
Updating the firmware
The latest version of the firmware can be downloaded
from the internet at any time and stored in the EEPROM.
To find the latest firmware version:
1. Visit the Viavi web site at
en-us/products/network-test-and-certification
.
2. Select your model from the product line.
3. Open the download area and download the latest
firmware.
You will also find step-by-step instructions on how to
update the firmware there.
After downloading the firmware to your PC follow the
steps below to install the firmware into your device.
To install the firmware into the device:
1. Press and hold the buttons
[OUTPUT]
+
[MODE]
+
[APPLICATION]
and then press
[
*
]
.
The PMD, PA, and CD LEDs light up and the device is
ready for the firmware update.
2. Connect the device to the PC via the USB interface.
Note:
Once the update has been started it cannot be
stopped by pressing any of the keys.
To stop the update you must disconnect the
device from all power sources (adapter/charger,
batteries, USB connection).