Panasonic KX-TVM50 Programming Manual page 140

2.6 Hardware (H/W) Settings
Value Range
200 ms–2800 ms, units 200 ms
2-way Record Start Beep Tone
Defines the beep tone that is heard when 2-way recording starts.
If "None" is selected, beep tones will not be heard.
Frequency
Specifies the frequency (pitch) of the beep tone.
Value Range
None, 400 Hz, 666 Hz, 1000 Hz, 1400 Hz, and 2000 Hz
Amplitude
Specifies the amplitude (volume) of the beep tone.
Value Range
-24 dBm – +6 dBm
Duration
Specifies the duration (length) of the beep tone.
Value Range
200 ms–2800 ms, units 200 ms
2-way Beep Tone
Defines the beep tone that is heard during 2-way recording.
If "None" is selected, beep tones will not be heard.
Frequency
Specifies the frequency (pitch) of the beep tone.
Value Range
None, 400 Hz, 666 Hz, 1000 Hz, 1400 Hz, and 2000 Hz
Amplitude
Specifies the amplitude (volume) of the beep tone.
Value Range
-24 dBm – +6 dBm
140 Programming Manual