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![](https://files.manualsfile.com/98934820-lws-2200h/bg3f.png)
EN-61
2. Press C eight times so [KEY ] or [MUTE] is flashing
on the display.
3. Press D to toggle the button operation tone between
enabled and disabled.
[KEY
]: Operation tone enabled.
[MUTE]: Operation tone disabled.
4. Press A to exit the setting screen.
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