Here are some handy tips for performing sales transactions and how to void transactions.

UOB - Sales Transations with Tips

UOB (Alipay) - Sales

UOB - Void Transations with Tips

UOB (Alipay) - Void

Note:

For Mobile Terminal

• DO NOT use a mobile charger. You are advised to use only an Original Terminal Charger to charge the terminal.
• DO NOT overcharge the device. Unplug charger from the terminal when the battery level has reached 100%.
• Avoid from using the terminal while it is charging.