Brave Smyle - C User Manual page 43

Parametr Value
76
On the line is simultaneously signal from microphone and speaker. In handsfree
circuit is a few functional blocks to suppress acoustic shock. The basic one is
circuit of semiduplex operation when incoming signal decrease microphone
amplificatio as same as signal from microphone decrease incoming signal. The
level of microphone start is setup by this parametr.. As lower value as higher
microphone sensitivity is. In noicy environment we recommend higher value with
combination of parametrs 71,75, 77.
Parametr Value
77
At parametres 75, 76 is descriped principal of acoustic shock supression. Speed
of circuit switching between incoming and outgoing sound is setup by parametr
77.
Parametr Value
78
Almost every country around the world has different telephone directives and this
parametr allows decrease voltage at door intercom line interface about 1V during
OFF HOOK. Where directive requires decreasement of line voltage I=0 decrease
voltage about 1V. In default l=1.
BRAVE – user guide
Description
b
Level of microphone start 1-4 (4 is highest)
Description
Fast switching voice automatic 1-4 (4 is
s
slowest)
Description
VoltAmper (VA) charakteristic of line
l
connection
Default
Default
Switching time
[ms]
1
2
4
8
Default
(0/1)
2
2
S - dial
1
2
3
4
1
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