Samsung UN65D8000XFXZA - Manual (Page 187)

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4. Press the – button on the remote 4 times to change the input mode from
numbers to upper case.
5. Press the 2 button on the remote 3 times to input C.
6. Press the – button on the remote 3 times to change the input mode from upper
case to lower case.
7. Press buttons on the remote to input the rest of “Chang”. When done, press
the ENTER E button.
Method 2: Using the Keypad of T9 type.
1. For example, suppose that you want to input “105Chang”
2. Press the – button on the remote 3 times to change the input mode from lower
case to numbers.
3. Press the 1 , 0 and 5 button in numerical order.