Sanyo KATANA User Manual page 26

22.
Sub LCD lets you monitor the phone's status and see who's calling
without opening the phone.
23.
LED Indicator shows your phone's connection status at a glance.
24.
Battery powers your phone (Lithium-Ion [Li-Ion] battery included).
See page 19 for details on charging and recharging.
25.
Speaker lets you hear the different ringers and sounds.You can mute
the ringer when receiving incoming calls by pressing
of the side keys.The speaker also lets you hear the caller's voice in
speakerphone mode.
12 Section 2A: Your Phone – The Basics
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