Please select product/category/platform below.
Product
Category
Platform
 
Q
Connecting a PC and an app in another network
A

Question

 How can an app in a mobile device be connected to a PC in another network?

Answer

Connect through the ad hoc network.
 The network can be used in an environment where there is no router. The mobile network adapter must be installed
 since the ad hoc network is a mobile network.
  ※ This method is supported only by TwomonAir for iOS.

1. Ad hoc Network Setting
 Set the ad hoc network.
 Ad hoc network setting between Windows computers (for Windows 7)

2. Network IP setting in the PC mobile network adapter
 Set the IP address in the mobile network adapter of the PC manually.

Connecting a PC and an app in another network_1

3. Ad hoc network IP setting in the device
 Select the network set in the PC in Setting >Wi-Fi in the device and manually set the IP address and the subnet mask.
 The PCs that are connectable from the app are listed on the screen.
Connecting a PC and an app in another network_2Connecting a PC and an app in another network_3>

VPN connection

 Set the VPN to safely connect TwomonAir.

 
1. Check the public IP and PC IP connected to the router.
 Web page to consult to check the public IP: http://whatismyipaddress.com/
 Check the internal IP of the PC connected to the router from ‘PC info’ on the main page of the Twomon PC program.

 
2. Set the VPN in the router.
 Set the VPN server in the way that is supported by the router’s manufacturer.

 
3. Set the VPN in the device.
 Set the VPN using the public PC in the device.

 After setting up the DVN in the PC and the device, add the internal IP of the PC in ‘Favorite IP input’ on the main page of
 the web to connect TwomonAir.

Setting up SuperDMZ (SDMZ) of router and connection

 This is a method of directly allocating a public IP to the PC connected to the router for connection.
 After setting up SuperDMZ, add the public PC in ‘Favorite PC input’ on the main page of the app to connect it to TwomonAir.
 Web page to check the public IP: http://whatismyipaddress.com/
 ※ The SuperDMZ function may have a different name depending on the router’s manufacturer.

Connection with a Good account

 You can connect a PC and the app Connection with a Google account from anywhere anytime. Input the Google account in
 ‘Google Account’ of the PC program and the app to simply use TwomonAir.
 Unlike the same network connection, the performance is affected by the condition of the Google server or status
 of the connected network since the data are exchanged through the Google server. When a mobile network is used,
 the transfer speed or stability may be lower than the same network connection.
 When using a mobile network, set TwomonAir > Setting > 'Allow mobile network' to ON first.

 ※ TwomonAir for Android can connect the PC and the device in different networks using the VPN and SuperDMZ.
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Q
The mouse pointer continuously flickers (the opacity support program is not supported)
A

Problem

The mouse pointer continuously flickers.

Cause

When TwomonAir or the TwomonUSB is connected to a Windows PC, the mouse pointer may flicker continuously in some versions of Windows.
This problem is caused by the screen capture function of the PC program.

Troubleshooting

Set the ‘Solve the flickering cursor problem’ option.
 Note: This problem only concerns Windows 7.

 [Windows]
  Check “Solve the flickering cursor problem” in the PC program > Option > Advanced tab to solve the problem with the flickering mouse pointer.
  * When TwomonAir or the Twomon USB is used after checking the “Solve the cursor flickering problem” option,
   the program supporting opacity is not displayed on the screen (ex. a messenger program adjusting the opacity).
   The program will be displayed on the connected screen if the program opacity is set to 0% or if the opacity function is set to OFF.
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Q
I want to change the resolution and position of the monitor.
A

Question

I want to change the resolution and position of the monitor.

Answer

Please refer to the following information in order to change the resolution and position of a monitor connected to a Twomon product.

[Windows]
 Change the resolution and location in the Twomon PC program > Display setting.
 Change the resolution in the “Start” > Control panel > Appearance and personal setting > Display > Screen resolution.
 (You can only change it with the Twomon PC program in Windows XP or Vista.)

[MAC]
 Change the resolution and location in the Twomon PC program > Display setting in the same way as Windows.
 Change the screen location in System configuration > Display > Array tab.
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Q
How do I use a Bluetooth keyboard?
A

Question

How do I use a Bluetooth keyboard?

Answer

You can use the Bluetooth keyboard connected to the device in TwomonAir for iOS.
 TwomonAir and TwomonUSB for Android do not support the Bluetooth keyboard input function.

Using the Bluetooth keyboard in TwomonAir for iOS
[iOS]
Connect the keyboard in Setting > Bluetooth of the connected device, connect TwomonAir, and then select Menu > Keyboard.
Only the keyboard bar is displayed for a larger screen in the system keyboard mode when you use a Bluetooth keyboard.
How do I use a Bluetooth keyboard?
※ Some keys of the Bluetooth keyboard may not be recognized by the connected PC.
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Q
Three-finger touch does not work
A

Problem

The three-finger touch does not work.

Cause

The three-finger touch may not work properly in the following situations:
 - If an HTC device is being used with the Media Gesture function set.
 - If the Magnifying Glass (zoom in/out) function of iOS has been set.

Troubleshooting

Check the following setting if the three-finger touch function does not work properly.

[iOS]
 Magnifying Glass (zoom in/out) function setting
 iOS setting > General > Assistive Touch > View Assistance > Set zoom in/out function to Off.

[Android]
 HTC Android phone setting
 Setting > Display and Gesture > Uncheck Media Gesture (allowing an application program to recognize the three-finger output gesture).
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Q
Can I see the smartphone or tablet screen on a PC monitor?
A

Question

Can I see the smartphone or tablet screen on a PC monitor?

Answer

Twomon was developed to make it possible to connect a tablet or smartphone and use it as the secondary monitor of a PC.
As such, it does not support control of a tablet or smartphone screen from a PC.
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Q
I cannot use the app - Android
A

Problem

I cannot use the Android app (Google license authentication failure).
 "Google Plan license authentication failed. You must log in with the account you used to purchase the app in order to run the app."
 The above statement will be displayed if the Google license authentication fails when you run the Twomon app.

Cause

Since Twomon for Android applies the security library to the APK installation file, the Twomon APK security library authentication is performed when the app is first run after downloading the app.

Troubleshooting

The WiFi or mobile network must be connected, and the user must be logged in with the account used to purchase the app in order to run the app.

Setting the account used for purchasing the Twomon app to be the main app
 1. Log out of all accounts currently logged in with the device.
 2. Log in with the Twomon account that was used to purchase the app in order to run the app.
 3. Confirm that the Google license has been successfully authenticated.

If the problem persists, contact the Google Store Support Center.
Google Store Support Center: https://support.google.com/store/answer/6178715?hl=ko
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Q
No connection Android
A

Problems

You cannot connect your Android device into your PC via USB cable.

disconnected

Causes

This problem can be caused by
 -NOT running Twomon PC Program
 -NOT installing ADB driver properly
 -NOT allowing USB debugging on your Android device
 -NOT working ADB interface

Solutions


Run Twomon PC Program on your PC
 Please make sure Twomon PC Program is running on your PC.

Install ADB driver
 [Windows]
 In order to communicate with Android devices, ADB drivers must be installed on your PC.
 Please, Download and install proper ADB drivers provided by the manufacturer.
 - Samsung
 - LG
 - Google

 [Mac]
 Are you a Mac user? you don't need to install ADB driver. Please check out the next solutions.

Allow USB debugging or Revoke USB debugging authorizations in Android
[Android]
 This is what allows your device to communicate over the USB port on your PC via the ADB.
 You need to enable USB debugging to connect TwomonUSB.

 ※ How to enable Developer options on your Android device
  1. Find the Android Build number in Settings (Settings > About device or Software information > Build number)
  2. Tap on the Build number section for about 10 times to enable Developer options.
  3. Enable USB debugging from Settings > System or General > Developer options then connect the device into your PC via USB cable.

 AllowUSBdebugging-en

 If you have denied USB debugging at least once, you can revoke USB debugging authorizations.

 RevokeUSBdebuggingAuthorizations
 AllowUSBDebugging_En

Check ADB interface's status
 Please check if the ADB is working properly with the device in your PC.

[Windows]
 1. Enable USB debugging on your Android device from Settings > System > Developer options then connect the device into your PC via USB cable.
 2. On the Start menu (Windows), click Run or press the 'Windows key + R'.
 3. In the Run dialog box, enter 'cmd' to open the command prompt.
 4. Go to Twomon PC Program folder.
 5. Type 'adb devices' into the command prompt windows.
AdbDevices-en

[Mac]
 1. Enable USB debugging on your Android device from Settings > System > Developer options then connect the device into your PC via USB cable.
 2. Open the Activity Monitor.app after the Twomon PC Program.app is running.
 3. Double-click the 'adb' process then click the Open Files and Ports tab.
 4. Copy the path where the adb is located in.

 AdbDevicesOnMac

 5. Open the Terminal.app
 6. Paste the path in double quotes and type devices with a blank.

 AdbDevicesOnMac

 If you received the message above the screen,
 -a 'device' message pops up, it means devices are attached to your PC.
 -a 'unauthorized' message pops up, it means you didn't authorize USB debugging on your PC.
 -a 'offline' message pops up, it means the device is connected but can NOT communicate with. Please turn off and on your device or change other USB cable then try it again.

Change another USB cable or USB port to connect.
[Windows/Mac]
 Some devices may cause the hardware compatibility issues,if not connected well, just in case,
 you can connect TwomonUSB by changing other USB ports or a USB hub with an external power supply.

 maybe the reason why disconnected is because the USB port you connect cannot give the power to your device.
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Q
No connection iOS
A

Problem

 - I connected the TwomonUSB for iOS to a PC, but “Install and run the Twomon PC program” and the 'Connect’ button are not enabled.
 - I was able to connect the app, but the connection is frequently terminated.

No connection iOS

Cause

The following conditions can cause a failure of the TwomonUSB connection in iOS.
 - The Twomon PC program is not running.
 - iTunes is not installed.
 - iTunes is installed, but the Apple Mobile Device service or the Apple Mobile USB device driver is not operating properly.
 - A security program that lacks the USB read or write privilege is running in the PC.
 - Insufficient power is being supplied to the USB port connecting the mobile device.

If a connection cannot be made or is frequently terminated even when the mobile device is connected to the USB port of the hub or PC, the following conditions may be the cause.
 - Insufficient power is being supplied to the USB port connecting the mobile device.
 - Twomon is incompatible with the USB cable or the USB 3.0 hardware.

Troubleshooting

Check if the Twomon PC program is running.
[Windows/Mac]
 Check if the Twomon PC program is running in the currently connected PC.

Check the 'Apple Mobile Device USB Driver' operation in the Device Manager.
[Windows]
 As TwomonUSB for iOS communicates with the 'Apple Mobile Device USB Driver', it must be able to recognize the device connected from the PC.
 Connect the device to the PC and check if the 'Apple Mobile Device USB Driver' is operating properly in Device Manager.
 If the driver is not operating properly, click the following link and refer to ‘Check if the Apple Mobile device USB driver is installed’.
 Link: iPhone, iPad or iPod not recognized by iTunes for Windows
  Link: iPhone, iPad or iPod not recognized by iTunes for Windows

Check if the Apple Mobile Device service is operating properly.
[Windows]
 You can check if the Apple Mobile Device service is operating properly by synchronizing it with iTunes.
 If the synchronization with iTunes is unavailable, click the following link to restart the Apple Mobile Device service.
  Link: Restarting the AMDS (Apple Mobile Device Service) in Windows

 ※ Some security programs in the PC may disable synchronization with iTunes, or the ‘Apple Mobile Device USB Driver’
 in the device manager list may be automatically disabled when an iOS device is connected.
 TwomonUSB for iOS cannot be used in such an environment .


Connect TwomonUSB to the hub that supplied the power or to another USB port.
If the TwomonUSB is disconnected too often, change the USB port or connect it to the hub that supplies the power

Use a USB 2.0 cable.
If TwomonUSB is used in a USB 3.0 environment, use a USB 2.0 cable to increase hardware compatibility.
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Q
Which touch gestures are supported?
A

Question

Which touch gestures are supported?

Answer

[iOS/Android]
 TwomonAir and TwomonUSB support various touch gestures.
Gesture Operation Description
Left Click Touch the screen once with a finger.
Touch the screen once with a finger.
The touched item is selected.
Double Click Touch the screen twice with a finger.
Touch the screen twice with a finger.
The touched item is activated.
Right Click Touch the screen with a finger while touching it with another finger.
Touch the screen with a finger while touching it with another finger.
This is equivalent to clicking the right mouse button with the touched item.
Drag Double touch the screen with a finger and then drag the finger sideways without taking it off the screen.

Double touch the screen with a finger and then drag the finger sideways without taking it off the screen.
The selected item is unselected.
※ In TwomonUSB, touch the screen once with a finger and move it to drag the item.
Scroll Touch the screen with two fingers and move them up or down
Touch the screen with two fingers and move them up or down
This performs the same operation as mouse scroll.
Zoom In/Out Touch the screen with two fingers and then spread them or put them together.
Touch the screen with two fingers and then spread them or put them together.
The screen is magnified or reduced.
Panning Touch the screen with a finger and drag it sideways
The magnified screen pans in the same direction as the movement of the finger.
※ This operation works on a magnified screen
Screen Selection
Screen Aspect Setting
Double touch the screen with two fingers.
Double touch the screen with two fingers.
The 'Screen Selection' function moves to the selected screen.
※ The 'Screen Selection' operation is available only with Select screen > All screen modes in TwomonAir.
The 'Screen Aspect Setting' function sets the screen resolution to 1:1 ratio or to fit the resolution of the device.
※ The 'Screen Aspect Setting' function is enabled in all screens except the full screen.
Page Move Touch the screen with three fingers and then sweep them left or right
Touch the screen with three fingers and then sweep them left or right
The 'Page Move' operation moves between the previous and next pages.
※ This operation is available only in TwomonAir.
Menu Display/Hide Touch the screen with three fingers.
Touch the screen with three fingers.
In TwomonAir, the menu can be displayed on the connected screen.
In TwomonUSB, the ‘Screen Selection’ menu is displayed.
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Q
Can I use the app in both iOS and Android?
A

Question

Can I use the app in both iOS and Android?

Answer

 No. A Twomon app cannot be used in both iOS and Android.
 You must separately purchase an app specifically for each OS.
 You can purchase each app from one of the following stores.
  - Apple AppStore (for iOS)
  - Google PlayStore (for Android)

 Ex.) After purchasing TwomonUSB for Android,
  - TwomonAir for Android: to be separately purchased
  - TwomonUSB/TwomonAir for iOS: to be separately purchased
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Q
How can the screen output speed be optimized?
A

Question

How can the screen output speed be optimized?

Answer

A TwomonAir uses the wireless network, the screen output speed differs according to the wireless environment.
The screen output speed can be optimized in the following way:
 
Optimize the screen output speed in TwomonAir
 1. Change the TwomonAir connection environment.
  Unlike TwomonUSB, TwomonAir connects a PC and a mobile device through the wireless network. As such,
  the performance may differ according to the network conditions.
  The performance of TwomonAir will be better in an environment where a device is networked to a single PC rather than multiple devices.

   1) Use the environment where the device and the PC are in the same network.
   2) Use the Adhoc network or WiFi if the device is located a short distance from the PC.

  2. Use the recommended resolution or change the screen mode to the high-performance mode.
   Assuming that the network conditions are the same, the PC specification and screen resolution are two factors
   that can affect the screen output performance.
   The following resolutions are recommended for Twomon products:

    1) iPad: 1024*768
    2) iPhone: 960*540
    3) Android phone: 1280*800 (Android phones may have different resolutions depending on the aspect ratio.)
   The speed may be improved if the recommended resolution is used or if the screen mode of TwomonAir
   is changed to the ‘high-performance mode’.

  3. Turn off the sound.
   If the sound function is not being used, it can be turned OFF to improve the speed.
    Select Menu > Sound function OFF so as not to use the sound capture function.
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