ABB M2303 Manual - page 36
Manual is about: Guard Unit
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77
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4
Press the
“Plus / Minus” button to select a bell sound for calls coming from
other guard units
5
“OK”
- Press this button to save the settings.
6
“Back”
- Press this button to return to the start page.
4.2.9.2
Volume settings
Back
VOLUME
Ringtone Volume
Volume 3
OK
-
+
1
3
4
5
Touchbutton Tone
√
Touchscreen Tone
√
2