05
Using the mic
MTP 840 DM
User-interface
②
Operating mode slide switch
①
LED Display
③
Gain slide switch
④
High-pass filter slide switch
⑤
Switch tool
LED Display
①
■
A1: no high-pass filter active
■
A2: 12 dB / octave at 150 Hz
■
A3: 12 dB / octave at 250 Hz
Setting the operation mode
Various operating modes can be selected by adjusting the operating
mode slide switch
②
. Operating modes are:
■
P48: passive mode, no phantom power
■
P48: active mode, 48V phantom power available,
LED Display is off
■
P48 : active mode, 48V phantom power available,
LED Display is on
Setting a gain level
■
Gain levels can be selected by adjusting the gain switch
③
.
Gain levels are: 0 dB (passive mode), 6 dB and 12 dB.
Setting an high-pass filter
■
A high-pass filter can be selected by adjusting the high-pass
filter slide switch
④
. Settings are: off, 12 dB / octave at 150 Hz
and 12 dB / octave at 250 Hz. High-pass filters eliminate
low-frequency sounds and balance the proximity effect.
B
B
B
■
1: passive mode, no gain
■
2: active mode, +6 dB gain
■
3: active mode, +12 dB gain
②
③
④
⑤
A2
①
A1
A3
B2
B3
B1
