Description: Resolve input issues such as signature not being captured by recalibrating touchscreen on Ingenico with the steps below.

Telium:

1. Hold the [CLEAR] (yellow) and [ – ] (minus key) or [ . ] (period) keys to reboot the device.
2. Wait for the device to display the Retail Base Application(RBA) screen.
3. Enter the passcode to access the Telium System menu:
   
   • For iSC250/480:
     
     • Enter 2, 6, 3, 4, [ENTER] (Green).
     • A screen will display, "Push Plus (+) button for menu."
     • Press the [+] button.
   • For iPP320/350:
     
     • Press 2, 6, 3, 4, [ENTER] (Green).
     • A screen will display after a few seconds stating, "Push the F button for menu." or 
     • Press any of the F keys. [F1], [F2], [F3], or [F4]
4. Select the Telium Manager.
5. Select Initialization.
6. Select Hardware.
7. Select Calibration.
   
   • RBA 19 or older only: Enter7, 5, 8, 1 when prompted for a Password
8. Press the Enter key.
9. Press [CANCEL] (Red), until the device asks, "Save Settings and Reboot?"
10. Select Yes.
11. perform a test transaction to test the signature functionality.

Tetra:

1. Hold the [CLEAR] (yellow) and [ – ] (minus key) or [ . ] (period) keys to reboot the device.
2. Wait for the device to display the Unified Payment Platform (UPP) screen.
3. Enter the passcode to access the Tetra System menu:
   1. Insert 2, 6, 3, 4, [ENTER]
   2. Press F for Menu
4. Select Control Panel.
5. Select Terminal Settings.
6. Select Human Interface.
7. Select Calibrate Touch.
8. The device will display “Please do not touch panel and press any key.”
9. Press any key.
10. The device will display “Calibration in progress.” and shortly after “Calibration Complete.”
11. Press the [CANCEL] button until the device asks to save settings and reboot.
12. Select Yes.
13. Perform a test transaction to test the signature functionality.