Kramer Electronics VS-162AVRCA - Manual (Page 49)

Flash Memory Upgrade
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11. From your PC’s K-Sender program, click the Send button.
The color of the Send button changes to red and numbers appear
dynamically inside the blue line. The Displays on the unit show the
messages:
Transfer may take minutes
Please, wait…
Σ =080756 1
12. Observe the PC monitor and the unit MATRIX and STATUS Displays.
After about 30 seconds, the program installation completes, the color of
the Send button ceases to be red and the numbers inside the blue line
disappear. The Displays on the unit show the messages:
Program replaced
successfully!
Σ =16608D
16608D
13. After about 3 seconds, the Displays show the messages:
Turn unit OFF, reconnect
cables and turn ON
Σ =16608D
16608D
14. Verify that the checksum (for example, Σ=16608D) is the same on
both lines.
If not, repeat the firmware upgrade process from the beginning.
15. You have successfully replaced the previous program and upgraded to the
latest Kramer firmware version.
Turn the POWER switch on the unit off.
Reconnect the RS-232 IN and RS-232 OUT rear panel port connections
(as applicable).
Turn the POWER switch on the unit on again.
Observe the new version number that shows in the STATUS Display.
Go to the Menu and restore your specific settings. Prepare and store all
necessary setups.
1 Shows the dynamic progress upgrade of the checksum