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Amplification Gain
The amplification gain for each input can be set by the user. Indication of the gain settings are
displayed at the second line of every input menu. The gain by default can be different for each
amplifier
input.
Browsing
NEXT INPUT
keys, it is possible to see all the different gains. PREV. INPUT
Global Settings
Activating the
force to be equal. In this case, browsing the different input menus, all the input will display the
same gain value than can be modified in any input menu.
In table 4 are listed all the available gains.
Parameter
Available options
GAIN
1.000
2.000
5.000
10.000
High pass and Low pass filters
The bandwidth for each input can be set by the user. Indication of the filters settings are displayed
at the third and fourth line of every input menu. The filters by default can be different for each
amplifier input. Browsing the different input menus, by means of PREV. INPUT
NEXT INPUT
keys, it is possible to see all the different cut off frequencies.
Global Settings
Activating the
all inputs are force to be equal. In this case, browsing the different input menus, all the input will
display the same High pass and Low pass values than can be modified in any input menu.
In table 5 are listed all the available cut off frequencies.
the
different
configuration (Refer to the Set-Up menu), the gain of all inputs is
The corresponding input is turned OFF
OFF
100
200
All the signals related to the corresponding input are amplified by respective
500
the factor. In case of EMG recordings lower values can be used during high
level contractions or during electrically elicited contractions. Higher values are
suggested when recording from deep muscles or during low level
contractions.
TAB. 4: Amplification gain description
configuration (Refer to the Set-Up menu), the cut off frequencies of
input
menus,
Description
pag. 20/31
EMG-USB2 User manual
by
means
of
v.2.0
and
and
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