21
Inputs and Controls
GAIN
Controls the input gain of the channel.
Practical adjustment procedure:
I.
Set the volume on the radio to 80% of the
maximum.
Ex:
If your radio has up to VOL.
62, set it to VOL. 50.
II.
On the
STM 1003
, increase the GAIN
gradually until the CLIP LED starts blinking.
III.
Decrease the GAIN slightly until the CLIP
LED goes out completely.
HIGH
With this control it is possible to boost or
attenuate by ±15dB the high frequencies of
the audio signal.
MID HIGH
With this control it is possible to boost
or attenuate by ±15dB the mid-high
frequencies of the audio signal.
MID LOW
With this control it is possible to boost or
attenuate by ±15dB the mid-low frequencies
of the audio signal.
LOW
With this control it is possible to boost or attenuate by ±15dB the low frequencies
of the audio signal.
MUTE
With this switch it is possible to enable or disable the channel signal without
having to adjust the channel’s audio level. When pressed, the
RED LED (CLIP)
will
remain on.
3
4
5
6
7
8
LEVEL CHANNELS
With this control it is possible to adjust the signal level that will go from the
channel to the main output
(MAIN)
.
9
4
3
5
6
7
9
8
