You Hear Tone Name When
Single, short,
high-pitched
tone
Valid Key When you pressed a valid key, or you entered a feature configu-
ration state, or you are receiving or transmitting in the clear mode
on secure models (with TX Clear Alert Tones enabled).
Single, low-
pitched tone
Invalid Key When you tried to make an invalid key press, or that an emergen-
cy alarm, reprogram request, or status/message was not ac-
knowledged.
Identifying Status Indicators
52
English