Down Button; Menu(Mode) Button; Up Button - Albrecht Tectalk Duro XS Manual De Instrucciones

5.5. Down Button

Pressing this button will decrease the channel
number. In some modes this button is used to ad-
just the function setting.

5.6. Menu(Mode) Button

Press and hold for about 2 seconds to enter the
menu mode. Then briefl y press to step down
through the menus.

5.7. Up Button

Pressing this button will increase the channel num-
ber. In some modes this button is used to adjust
the function setting.
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