Kyocera QCP 6035 Reference Manual page 17

Press this key (the green phone icon) to send or answer a call.
In menus, press this key to move back to the previous menu level.
When entering or editing text, press the key to move the cursor to the
left and erase the last character. Press and hold the key to erase an entire
line.
Backlight key and infrared port
LED status light
Green = Home service
Amber = Roaming service
Red = No service or battery low
Shuttle
Send, Clear, and End/Power keys
Number keypad
Find Name—Press once to search for names.
Press and hold to open your Contacts list.
Silence Sounds—Press once to open the Sounds
menu. Press and hold to toggle the ringer on and
off.
Speakerphone—Press to toggle Speakerphone
mode on and off.
Messages—Press once to open the Messages
menu. Press and hold to dial your voicemail.