Nilfisk Alto EQU Series User Manual
6
11.VU meter
This VU meter is used to indicate the output level.
12.High pass LED
When the High pass filter (40Hz/12dB) is in active, this LED will light.
14.Output level meter
This output level meter is used to indicate the output level.
3.2 The Rear Panel
13.Low pass LED
When the Low pass filter (16KHz/12dB) is in active, this LED will light.
7.Bypass LED
When this LED lights, it is in bypass mode.
8.Range switch
This button switches the gain range of the filter potentiometer between
6dB and
12dB.
9.Filter range indicator
When the
6dB range is selected, green LED will light. When the
12dB range is selected, red LED will light.
EQU215 Rear Panel
EQU131 Rear Panel
OUT
OUT
IN
Channel Two
BALANCED
UNBALANCED
OUT
OUT
IN
Channel One
BALANCED
UNBALANCED
OUT
IN
OUT
IN
GND
LIFT
T
U
V
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ort
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C
US
RISK OF FIRE-REPLACE
FUSE AS MARKED
FUSE AS MARKED