IOGear GCS1722 User Manual page 19

Firmware Upgrade Mode
To set the GCS1722 / GCS1724 to Firmware Upgrade Mode, do the following:
1. Invoke HSM (see page 15).
2. Key in: upgrade
3. Press [Enter].
All front panel LEDs (green and orange) flash to indicate Firmware Upgrade Mode is in effect.
Note: To exit Firmware Upgrade Mode, you must power off the switch.
Restore Default Settings
To reset the GCS1722 / GCS1724 to its default hotkey settings, do the following:
1. Invoke HSM (see page 15).
2. Press [R][Enter].
See Hotkey Default Settings, page 32
Video DynaSync™
To invoke Video DynaSync™, ATEN's exclusive technology that eliminates boot-up display problems and optimizes resolu-
tion when switching between ports, do the following:
1. Invoke HSM (see page 15).
2. Press [D].
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