Ingenico iSC 250 Screen Calibration
Some Ingenico iSC Touch 250 PIN pads may experience touchscreen
alignment problems which may make signing with the pen/stylus or pressing buttons with your finger difficult. If you experience this, you may need to re-calibrate your screen.
![iSC Touch 250](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/62003080904/original/QkVna91O7T92dc69mwfDbAxRIe9oe6VAyw.png?1598893015)
Follow the instructions below to re-calibrate your iSC Touch 250.
1Press and hold CLEAR and - (minus) simultaneously on the iSC Touch 250 payment terminal to reboot it.
2When the iSC Touch 250 reboots and the grey Retail Base screen appears, press 2 6 3 4 and ENTER .
![iSC 250 Splash Screen](https://s3.amazonaws.com/cdn.freshdesk.com/data/helpdesk/attachments/production/62003080903/original/5WxgeYptXgiappBuN9br3eAqa6QzUKuTOA.png?1598893015)
3Press the + (plus) to display the functions menu.
4Select Telium Manager > Initialization > Hardware > Calibration to display the Calibration screen.
5Press 7 5 8 1 and ENTER to re-calibrate the payment terminal.