Elo TouchSystems ET1903LM User Manual page 11

Magnetic Stripe Reader (MSR) Installation (Optional)
Your monitor comes with four pheripheral ports, located at the top, bottom, left and right sides of the monitor. To mount an MSR, remove one of the
pheripheral port covers with your finger tips and install the MSR as shown below. Please refer to the MSR Quick Install Guide (QIG) for set-up details.
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User Manual ET1903LM, ET2203LM, ET2403LM, ET2703LM REVB