P2DD46A22-KVM-SWITCH - Switch StarTech.com - Free user manual and instructions

Product Type	2-Port Dual Monitor KVM Switch
Brand	StarTech.com
Model	P2DD46A22-KVM-SWITCH
Video Interface	DisplayPort
Maximum Resolution	4K @ 60Hz
Number of Computers Supported	2
Control Methods	Hotkey, On-Screen Display (OSD), Serial (RS232)
Audio Support	Yes, with binding/unbinding option
RS232 Support	Yes, with binding/unbinding option
Hotkey Prefix Options	Scroll Lock, Caps Lock, Num Lock, Left Ctrl, Right Ctrl
Autoscan Function	Yes, with configurable delay (10-100 seconds)
Serial Baud Rate	115200 bps
Power Requirements	Standard DC adapter (not specified, typical 5V or 12V)
Dimensions (approx.)	Typical desktop KVM: 20 x 10 x 4 cm (estimate)
Weight (approx.)	0.5 kg (estimate)
Maintenance	Keep dry, clean with soft cloth, avoid dust
Safety	Use only supplied power adapter, avoid liquids, do not disassemble
Reparability	No user-serviceable parts; contact support for repairs

Frequently Asked Questions - P2DD46A22-KVM-SWITCH StarTech.com

How do I switch between computers using the keyboard?

Press the hotkey prefix (default: Scroll Lock twice) followed by 1 or 2 to select PC1 or PC2. You can also use F1 or F2.

How do I change the hotkey prefix?

Press the hotkey prefix (e.g., Scroll Lock twice) then H and then one of: CapsLk, NumLk, Left Ctrl, or Right Ctrl. Alternatively, hold the front PC2 button until two beeps, then press the desired key.

How do I open the on-screen display (OSD) menu?

Press the hotkey prefix followed by the Space bar. The OSD shows port names, audio/RS232 status, and settings.

Can I use serial commands to control the KVM?

Yes, connect a serial cable and use commands like sw 1 to switch to PC1, audio 2 for audio port, etc. Default baud rate is 115200, 8 data bits, no parity, 1 stop bit.

How do I unbind audio from video switching?

Use the hotkey command HK_LCode + W to disable audio binding. Then audio stays on the current port while video switches. To re-enable, use HK_LCode + Q.

What is autoscan and how do I start it?

Autoscan cycles through connected PCs. Press the hotkey prefix followed by H and a number (0-9) to set delay: 0=100s, 1=10s, etc. Press any key to stop.

How do I reset the KVM to factory defaults?

Use the hotkey command HK_LCode + R to reset all hotkey commands to defaults. Alternatively, use the serial command default or in OSD Settings choose Restore Default.

Does this KVM support 4K resolution?

Yes, it supports 4K at 60Hz via DisplayPort on both monitors.

Can I rename the computer ports?

Yes, in the OSD Main Menu, highlight a PC and press Ins to rename it. You can also use the serial command setname 1 [name] (max 16 characters).

What does the beep mean when I press hotkeys?

A high-pitched beep indicates a successful command. A low-pitched beep indicates an error. You can toggle beeps on/off with HK_LCode + B.

USER MANUAL P2DD46A22-KVM-SWITCH StarTech.com

2-Port Dual Monitor KVM Switch - DisplayPort - 4K 60Hz - Serial Control

Product IDs

P2DD46A22-KVM-SWITCH

Product Information

For the latest software, manuals, product information, technical specifications, and declarations of conformance, please visit: www.StarTech.com/P2DD46A22-KVM-SWITCH

Hotkey Commands

Hotkey commands are keystroke sequences that initiate computer/device functions and can be used to initiate KVM Switch functions. A hotkey command sequence must be initiated by the HK_LCode (HotKey Leading Code), followed by 1-2 additional keystrokes. Successful hotkey command inputs result in a high-pitched beep. Unsuccessful hotkey command inputs result in a low-pitched beep.

Notes:

• All keystroke combinations must be entered in rapid succession.
• Press and release the indicated keys, unless otherwise specified.

HK\_LCode

Option 1.1

- Scr Lck + Scr Lck

Option 1.2

To change the HK_LCode:

• HK_LCode + H + CapsLk, NumLk, Left Ctrl or Right Ctrl
  • Alternatively, press and hold the front Host Selection Button for PC2, until 2 beeps are emitted, then press the desired leading hotkey of CapsLk, NumLk, Left Ctrl or Right Ctrl

Hotkey Command Chart

Hotkey Command Function
HK_LCode + Space • Bring up the On Screen Display (OSD) Menu.
HK_LCode + 1 ~ 2 or HK_LCode + F1 ~ F2	• Select PC 1 or PC 2.
HK_LCode + W	• Disable the binding between PC (USB/Video) and Audio when switching between PC 1 or PC 2.• Allows switching of PC Ports USB and Video functions, while Audio does not switch.
HK_LCode + Q	• Enable the binding of PC (USB/Video) and Audio switching. (Enabled by default)• Audio will switch with the PC Ports USB and Video functions.
HK_LCode + F5 ~ F6	• Audio Unbound: Selects only the audio and mic source between PC 1 or PC 2, does not switch USB and Video.• Audio Bound: Select PC 1 or PC 2 and their respective USB/Video/Audio Ports.
HK_LCode + V	Disable the binding between PC (USB/Video) and Serial when switching between PC 1 or PC 2.Allows switching of PC Ports USB and Video functions, while Serial does not switch.
HK_LCode + C	Enable the binding of PC (USB/Video) and Serial switching. (Enabled by default)Serial will switch with the PC Ports USB and Video functions.
HK_LCode + F9~F10	Serial Unbound: Selects only the Serial source between PC 1 or PC 2, does not switch USB and Video.Serial Bound: Select PC 1 or PC 2 and their respective USB/Video/Serial Ports.
HK_LCode + Up Arrow KeyorHK_LCode + DownArrow Key	Select the next/previous PC Port.If Audio is unbound, the audio will not switchIf Serial is unbound, the serial ports will not switch
HK_LCode + B	Enable or Disable the Beep that indicates HotKey Command Inputs. (Enabled by default)
HK_LCode + H + 0~9	Start Autoscan and set time delay."x" = 1 - 10sec, 2 - 20sec, 3 - 30sec, 4 - 40sec, 5 - 50sec, 6 - 60sec, 7 - 70sec, 8 - 80sec, 9 - 90sec, 0 - 100secPress any key to stop Autoscan
HK_LCode + R · Reset all	Hotkey Commands to factory defaults

Serial Commands

The following Serial Commands are intended to be used with the KVM Serial Connection Port, allowing control over the function of the KVM Switch. The Host Device that controls the KVM Switch requires the following parameters:

Baudrate: 115200bps

Parity: None

Data Bits: 8

Stop Bits: 1

Serial Command Function
sw 1~2 · Switch the active PC Port
audio 1~2 · Switch the active Audio Port
com 1~2 · Switch the active RS232 Port
bind 2~3	· Bind selected peripheral with the active PC Port· 2 = Audio· 3 = RS232
unbind 2~3	· Unbind selected peripheral from the active PC Port· 2 = Audio· 3 = RS232
hotkey 0~4	· Change the hotkey prefix· 0 = ScrLk· 1 = CapsLk· 2 = NumLk· 3 = Left Ctrl· 4 = Right Ctrl
osdtime 1~7	• Set the OSD displayed time• 1 = 10• 2 = 20• 3 = 30• 4 = 40• 5 = 50• 6 = 60• 7 = Manual
titletime 0~7	• Set the title bar timeout duration• 0 = off• 1 = 5• 2 = 10• 3 = 15• 4 = 20• 5 = 25• 6 = 30• 7 = Always On
setname 1~2 [name]	• Set the PC Port name• Max of 16 characters
version • Show the Firmware version
help [command] • Show the format of the command
list • List all available commands
default • Set the KVM to factory defaults

Onscreen Display Menu

Bring up the Onscreen Display (OSD) by using the keyboard shortcut HK_LCode + Space. The OSD provides the ability to modify settings, switch host ports, and perform other actions.

OSD Main Menu

The Main Menu of the OSD displays the names of the connected Computers, along with the status of Audio and RS232 (COM) binding. Settings and device information are accessible from this menu.

2 PORT DUAL MONITOR KVM SWITCH
MAIN PAGE
PC	NAME	DEVICE STATUS
01	COMPUTER-1	AUDIO COM
02	COMPUTER-2
Settings
Information
Up/Dn: move		Ins: rename
Enter: execute		Esc: exit

OSD Settings Menu

The OSD Settings enable the modification of the primary hotkey, OSD timeout, titlebar timeout, or restore the KVM Switch to its factory default settings.

2 PORT DUAL MONITOR KVM SWITCH
SETTINGS
HOT-KEY	ScrLk
OSD Timeout	10
TitleBar Timeout	20
Rstore Default
Main Page Information
Up/Dn: move	</>: change

Example Screenshot