Kramer Electronics VP-27 - Manual (Page 17)

KRAMER: SIMPLE CREATIVE TECHNOLOGY
Firmware Upgrade
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5. Select the latest VP-27 firmware version, and click Open.
Wait for completion of the upgrade procedure. The new firmware version
appears in the INPUT STATUS 7-segment Display.
Figure 6: Flash Upgrade Process
6. If required, disconnect the RS-232 rear panel port on the VP-27 unit from the
PC.