IOGear GCS1644 v1 - Manual (Page 23)

Invoke HSM, then press [F4] List hotkey settings – simply invoke the hotkey and
then open a text editor, such as notepad, and use
the Paste function to display the hotkey settings.
Invoke HSM, then press [F5] USB Reset
Invoke HSM, then press [b] Toggle hotkey beepers on or off
Invoke HSM, then press [x] [Enter] Disable or enable port switching hotkey
Invoke HSM, then press [u] [p] [g] [r] [a] [d] [e]
[Enter]
Activate Firmware Upgrade Mode – Front panel KVM
LED will flash indicating Firmware Upgrade Mode is
activated.
Invoke HSM, then press [r] [Enter] Restore default settings
Invoke HSM, then press [d] Capture and store video information on specific port
Invoke HSM, then press [m] Enable or disable mouse emulation
Invoke HSM, then press [F1] Reset keyboard and mouse under some special OS’
that do not support USB 2.0
*Note: To exit HSM manually, press Esc or spacebar
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