Starting Up; Cabling And Switching-On; Level Adjustment; Functional Characteristics - AER Compact mobile Bedienungsanleitung

4. Starting up

4.1 Cabling and switching on
device, which is printed on the type label on the rear
side of the unit.
Connecting to the wrong mains voltage may cause
serious damage to your amplifier!
Make sure the phantom power (see chapter 5.4) is
not switched on unintentionally.
Then connect all cables according to your applica-
tion and switch the device on. The green power LED
indicates operational readiness.

4.2 Level adjustment

By proper level adjustment you adapt the
Compact Mobile 2 to your signal sources (guitar
pick-ups, microphones, etc.).
For this purpose keep the master control initially fully
anticlockwise.
Set the line/mic switch (channel 2) to position mic if
you are using a microphone. Position line is suitable
for all types of guitar pickups and most other sources.
Now gradually increase the appropriate gain setting
as far as possible but without triggering the red clip
indicator, even when you play loud. Thereby you keep
some headroom for unexpected peak levels.
Very strong sources may cause a clipping warning
despite a low gain setting. Such sources can be
attenuated first by pushing the high/low switch
(channel 1).
Finally set the desired volume using the master
control.
• If the gain setting is too low, the amplifier may not
reach the desired volume, or distracting noise may
become noticeable.
• Setting the gain too high causes distorted sound
(clipping). The clip light will warn you before this
happens.
• If you use an instrument with a volume control,
start off with full volume but reduce it if the clip
indicator lights up early and the level adjustment
is difficult.
• Please ensure there is always enough battery
power in your (active) pick-up system. Humming
and sizzling may be caused by an empty battery.
14
Before connecting to
mains, please ensure that
your local mains voltage
(e.g. 120V in the USA,
230V in Europe) matches
the voltage rating of the
• If several inputs are used simultaneously, you also
determine the mixing ratio by the individual gain
settings
• The gain controls of any unused inputs should stay
fully anticlockwise.

5. Functional characteristics

5.1 Tone control

The tone controls of the Compact Mobile 2 are a
high-quality sound modification tool that preserves
the natural tone of instruments and voice and allows
you to apply targeted accentuations.
If bass, middle, and treble are in center position and
the colour switch is not pushed, the tone controls are
neutral and have no influence on the sound.
The amplifier will already provide a very pleasant, na-
tural sound when all controls are in neutral position,
which you can then principally alter with the colour
filter: This will reduce the midrange and bring out the
trebles. The sound becomes more open and lighter
and is particularly suitable for finger picking tech-
niques. The tone controls can support or attenuate
the effect of the colour filter (see illustration below).
colour bass middle
colour bass middle
Please note:
The tone controls have an effect on the signal level. If
the clip indicator flashes more frequently, reduce the
level a bit using the gain control (see also 4.2)
With colour-filter
treble
(switch pressed)
reduce treble
to soften possible
harshness.
Without colour-filter
treble
(switch not
pressed)
boost treble
to brighten the
sound.