Alphatech Brave series User And Service Manual page 40

5.6 Parameter setting Hands Free
First ensure that the rubber seal on the microphone fits properly,
otherwise setting the acoustic parameters will be difficult.
Parameter Value
71
72
73
gg/ff/rr Each number is entered as 2 digits with a range 01-16. After receiving a
confirmation tone ♫ the new value is immediately active and can be
tested.
Facilitation: you can also add/reduce the volume with help of buttons on the
* -
phone and
=
Stops for the maximum and minimum
volume are acoustically signalled (3
tones like the signal for the end of a
call). If you don't press anything for 5
seconds then the 'set value' is saved
and you hear a confirmation tone ♫.
WARNING !! Default values are set by the manufacturer and it is not
recommended that you change them unless absolutely necessary.
Parameter Value
74
This function is set to off as standard c=0, it is a character of the semi-duplex
operation switch over on the telephone line. If the character of silencing is too
steep, it is possible to soften it using c=1.
Parameter Value
75
This function is set to off as standard n=0. If the Brave is installed in noisy
location (train station, busy street, car park etc.) by switching on this circuit n=1
the noise level is set as a default threshold for switching on the microphone and
is not one way opened. This is related to setting of parameters 71, 76, 77.
40
Meaning
Reception volume
gg
highest)
Transmission volume 01-16 (16 is the
ff
highest)
Speaker volume
rr
highest)
# +
=
Meaning
c
Soft transition of switch over
Meaning
n
Suppression of background noise
BRAVE SlimDP –
01-16 (16 is the
01-16 (16 is the
User and service manual
Basic
07
(SPK)
07
(MIC)
07
(TRH)
Basic
1
(0/1)
Basic
1
(0/1)