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Hotkey Setting Mode (HSM)

Hotkey Setting Mode (HSM) is used to set up your GCS1953 switch configuration. All 

operations begin with invoking Hotkey Setting Mode.

Invoking HSM

To invoke HSM do the following:

1.  Press and hold down [Num Lock].
2.  Press and release [-].
3.  Release [Num Lock].

Note: There is an alternate key combination to invoke HSM. See below for details.

When HSM is active, the Caps Lock, and Scroll Lock LEDs flash in succession to indicate 

that HSM is in effect. They stop flashing and revert to normal status when you exit HSM.

Ordinary keyboard and mouse functions are suspended – only Hotkey compliant 

keystrokes and mouse clicks (described in the sections that follow), can be input.
At the conclusion of some Hotkey operations, you automatically exit Hotkey mode. With 

some operations, you must exit manually. To exit HSM manually, press the 

[Esc]

 key, or 

the 

[Spacebar]

.

Alternate HSM Invocation Keys

An alternate set of HSM invocation keys is provided in case the default set conflicts with 

programs running on the computers.
To switch to the alternate HSM invocation set, do the following:

1.  Invoke HSM (see page 22).
2.  Press and release 

[H]

The HSM invocation keys become the 

[Ctrl]

 key (instead of 

[Num Lock]

) and the 

[F12]

 key (instead of 

[-]

).

Note: This procedure is a toggle between the two methods. To revert back to the 

original HSM invocation keys, invoke HSM, then press and release the [H] key again.

Alternate Port Switching Keys

An alternate way of activating port switching is by pressing the 

[Ctrl]

 key twice. To use the 

alternate port switching hotkeys, do the following:

1.  Invoke HSM (see page 22).
2.  Press and release 

[T]

.

Note: This procedure is a toggle between the two methods. To revert back to the 

original 

[Scroll Lock] [Scroll Lock] 

method, go through the steps above.

Summary of Contents for GCS1953

Page 1: ...www iogear com User Manual 3 Port 4K USB C and DisplayPort KVMP Switch with Power Delivery GCS1953 PART NO M1657...

Page 2: ...ademarks of Microsoft Corporation IOGEAR makes no warranty of any kind with regards to the information presented in this document All information furnished here is for informational purposes only and...

Page 3: ...s 7 Features 8 Requirements 9 Operating Systems 9 Overview 10 Hardware Setup 14 Hotkey Operation 20 Keyboard Emulation 28 The Firmware Upgrade Utility 30 Specifications Chart 36 Trouble Shooting 38 FC...

Page 4: ...lt your dealer or local power company Avoid circuit overloads Before connecting equipment to a circuit know the power supply s limit and never exceed it Always review the electrical specifications of...

Page 5: ...repair o The power cord or plug has become damaged or frayed o Liquid has been spilled into the device o The device has been exposed to rain or water o The device has been dropped or the cabinet has...

Page 6: ...hey appear together in the same bracket with a plus sign between them Ctrl Alt 1 Numbered lists represent procedures with sequential steps Bullet lists provide information but do not involve sequentia...

Page 7: ...e next powered on computer With a built in USB 3 1 Gen 1 hub the GCS1953 provides SuperSpeed 5 Gbps transfer rates to all connected USB peripherals The unit s independent asynchronous switching featur...

Page 8: ...e next powered on computer DisplayPort Dual Mode technology DP supports HDMI and DVI signals via a DisplayPort to HDMI DVI DP adapter Hot pluggable add or remove computers without powering down the sw...

Page 9: ...ality we recommend using only IOGEAR DisplayPort KVM cables which are certified by the VESA Compliance Program Note The quality of the display is affected by the quality of the cables We recommend the...

Page 10: ...lugs in here 2 Audio Jack Your main console speakers plug in here Note The speakers plugged into this jack have priority over those plugged into the rear panel 3 USB 3 1 Gen 1 Peripheral Port USB peri...

Page 11: ...ropriate icon to indicate itself 4 USB C Port The cables that link the switch to your USB C device plug in here This KVM port section is comprised of a speaker jack and USB C connector 5 Power Jack Th...

Page 12: ...its corresponding port is the one that has the KVM focus Selected Flashes to indicate that the computer attached to its correspond ing port is being accessed under Auto Scan mode All LEDs flash toget...

Page 13: ...o the computer attached to its corresponding port Press port selection pushbuttons 1 and 3 simultaneously for 2 seconds to start Auto Scan Mode see Auto Scanning page 21 Press port selection pushbutto...

Page 14: ...e port from the Console Ports Section located on the unit s rear panel and power on the monitor 4 Plug your speakers into the Audio Jacks located on the unit s front and rear panel The speakers plugge...

Page 15: ...er into an AC power source then plug the power adapter cable into the switch s Power Jack Note The unit can be bus powered by the connected KVM sources via USB ports See Powering the Unit page 18 13 P...

Page 16: ...Installation Diagram 4K GCS1953 3 Port 4K USB C and DisplayPort KVMP 1 2 3 USB 4K30 4K60 USB USB PD 3 0 CPU 2 CONSOLE CPU 3 CPU 1 16 1 11 4 10 2 9 3 12 4 10 7 8 5 6...

Page 17: ...more than 2 seconds to start Auto Scan Mode see page 21 for details Press and release either port selection pushbutton to stop Auto Scan Mode The KVM focus goes to the computer attached to the corresp...

Page 18: ...PC Keyboard Video and Mouse 1 x USB C Device Keyboard Video Mouse and USB Peripherals 2 x PC 1 x USB C Device Power Adapter Keyboard Video Mouse USB Peripherals and USB C device charging Note 1 Conne...

Page 19: ...rnative Manual Port Selection Settings When Hotkey Setting Mode has been activated pressing S will invoke the alternative front panel pushbutton manual port selection functions as explained below Pres...

Page 20: ...port that currently has it to the next port on the installation The USB and audio focus remain where they are Scroll Lock Scroll Lock U Enter Brings only the USB hub focus from the port that currentl...

Page 21: ...through the computer ports at regular intervals This allows you to monitor the computer activity without having to take the trouble of switching from port to port manually See the table below for deta...

Page 22: ...operations you must exit manually To exit HSM manually press the Esc key or the Spacebar Alternate HSM Invocation Keys An alternate set of HSM invocation keys is provided in case the default set conf...

Page 23: ...ode so that it can work under special operating systems as a standard 104 key keyboard F2 Enables Mac keyboard emulation see page 28 for details F3 Enables Sun keyboard emulation see page 29 for detai...

Page 24: ...upgrade 3 Press Enter The front panel LEDs 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...

Page 25: ...wheel button clicked twice For Mouse Port Switching to work Mouse Emulation must be enabled To enable disable mouse port switching do the following 1 Invoke HSM see page 22 2 Press W Specific PC Port...

Page 26: ...les the buzzer E Turns the Power on Detection function on off H Toggles between the default and alternate HSM invocation keys K Enter Enables disables N key rollover keyboard supporting function M Ena...

Page 27: ...Lock Scroll Lock Invoking HSM Number Lock Keyboard Emulation Enabled Mouse Emulation Enabled Auto Scan Interval 5 Seconds Mouse Wheel Switching Disabled Power On Detection Enabled Keyboard Operating...

Page 28: ...e listed in table below PC Keyboard Mac Keyboard Shift Shift Ctrl Ctrl Ctrl 1 Ctrl 2 Ctrl 3 Ctrl 4 Alt Alt Print Screen F13 Scroll Lock F14 Enter Return Backspace Delete Insert Help Ctrl F15 Note When...

Page 29: ...rresponding functions are shown in the table below PC Keyboard Sun Keyboard Ctrl T Stop Ctrl F2 Again Ctrl F2 Props Ctrl F4 Undo Ctrl F5 Front Ctrl F6 Copy Ctrl F7 Open Ctrl F8 Paste Ctrl F9 Find Ctrl...

Page 30: ...to them https www iogear com support dm driver GCS1953 Before You Begin To prepare for the firmware upgrade do the following 1 From a computer that is not part of your KM installation go to our IOGER...

Page 31: ...re Upgrade Mode is in effect You can also connect a keyboard to the console port and invoke the Firmware Upgrade Mode via hotkey See Firmware Upgrade Mode page 24 Note The USB cable s USB Type B conne...

Page 32: ...opening a command line and entering the full path to it The Firmware Upgrade Utility Welcome screen appears Note The screens shown in this section are for reference only The wording and layout of the...

Page 33: ...ility main screen appears The Utility inspects your installation All the devices capable of being upgraded by the package are listed in the Device List panel 4 As you select a device in the list its d...

Page 34: ...a dialog box informing you of the situation and gives you the option to Continue or Cancel If you didn t enable Check Firmware Version the Utility installs the upgrade files without checking whether...

Page 35: ...ccessful completion the switches exit Firmware Upgrade Mode and reset themselves Upgrade Failed If the Upgrade Succeeded screen doesn t appear it means that the upgrade failed to complete successfully...

Page 36: ...1 x USB Type C Female Speakers 3 x 3 5mm Audio Jack Female Green Remote Port Selector 1 x 2 5mm Audio Jack Female Black Power 1 x DC Jack USB Hub 2 x USB 3 1 Gen 1 Type A Female Blue 1 x front 1 x re...

Page 37: ...hysical Properties Housing Metal Plastic Weight 0 50 kg 1 1 lb Dimensions L x W x H 20 63 x 7 54 x 4 40 cm 8 12 x 2 97 x 1 73 in Note Port switching only works with 3 key USB mouse wheel in emulation...

Page 38: ...a built in USB 3 0 hub so will not support PCs or OS that do not support USB 2 0 3 0 For an OS that does not support USB 2 0 keyboard and mouse functions can be reset using the F1 Hotkey function See...

Page 39: ...y changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment Warning Operation of this equipment in a residential...

Page 40: ...s a 3 Year Limited Warranty For the terms and conditions of this warranty please go to https www iogear com support warranty Register online at https www iogear com registration Important Product Info...

Page 41: ...NEED ASSISTANCE SETTING UP THIS PRODUCT Make sure you 1 Visit www iogear com for more product information 2 Visit www iogear com support for live help and product support IOGEAR www iogear com https i...

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