Telecom R203 User Manual page 17

Function
Numeric Keys
Switch
Volume Keys
Torch Switch
FM Radio Key
Keylock Switch
Description
Enter numbers 0-9 and characters A-Z. '0' long press to access in call
volume
Use this key to automatically dial and/or send a text message to a
nominated number
Adjust the volume up and down
Lock and unlock keypad
You can still answer calls and dial emergency numbers while the keypad
is locked
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