AER AK15 plus Panduan Instalasi - Halaman 10

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buster. If you can hear both signals loud and clear

you can fix the cable with the cable clamps.

7. Soundhole Control and Final Assembly

Depending upon the construction of the guitar,

you may find it necessary to use different materi-

als to underlay or pad the soundhole control. First

dry-fit the control unit to determine the position.

If adhesive tape is used, make sure to degrease

both surfaces. Position the SHC where you can

reach it easily and fix the cable in a safe position.

With the guitar in playing position, the right pot

(in the direction of the bridge) should be the

master volume, the left pot (in the direction of the

neck) adds the microphone signal.

Now, after degreasing the position of the

cable clamps, fix these to the side of the

guitar and secure the cables to avoid unwanted

rattling noises. String up your guitar and bring the

instrument up to pitch.

That should be it!

8. Operation

The AK15 plus is a very powerful system, which

combines a strong piezo signal with an additional

microphone signal. It is designed to blend the

microphone to the pickup for overtones and

more liveliness.

The mic does not work alone!

You can make use of the whole range of the SHC

microphone control to almost maximum, de-

pending on your personal sound preferences.

The volume control adjusts your overall output

signal. Starting in zero position (no output signal,

over to far left), turn it clockwise to boost the out-

put level, but please regard: the optimal range of

this control is between 30 and 60% rotation! Full

volume is neither necessary nor recommended.

Adding the microphone volume will yield a more

natural and lively sound. Too much microphone

signal can cause feedback, lower the microphone

volume if this occurs.

Plugging the jack into the endpin-socket closes

the circuit and switches the system on. Without

jackplug the system is switched off and there is no

active battery consumption, just the usual self-dis-

charge of unused batteries.

10. Troubleshooting

No piezo signal

Make sure you have connected the jack connector

properly. There should be an audible „click" when

the ball-ended jack safely sits in the 2.5 mm plug.

It may take a little effort.

No mic signal

Too much or too little mic signal

The microphone master level is pre-adjustable

independently at the preamp and controlled with

the soundhole control (master volume+ added

microphone level). If you have trouble dialing in

the right amount of microphone signal, if you

feel there is too much microphone signal, or not

nearly enough, we have a solution for that. Inside

the preamp we have a small potentiometer with

which you can increase or decrease the master-

volume for the mic signal. This is a very delicate

invasion, hence the placement inside the pre-

amp, please use this very carefully. If you have so

much mic signal that you can't use the soundhole

control to get the right amount in the mix, or if the

soundhole control is fully open and you still could

use more mic signal is the only time to use this

internal control.

No output signal

Ensure that the battery still has enough charge

to operate the system. The indicator light on the

soundhole control unit will light if the battery has

low power. If the battery has no power at all, this

light will eventually dim.

Ensure that the strap holder on the endpin is

screwed on tightly. Strap movements some-

times loosen the strap holder which may lead

to a contact fault in the endpin socket. There

are aftermarket solutions with straplocks for

acoustic guitars that may prevent this.

Uneven balance

Attention to proper string balance is a normal

issue with all pickup systems – more or less

obvious – depending e.g. on the dynamic range

of the systems.

Just listen to your instrument as it is without

pickup and play each individual string one after

the other with the same impulse. You may find

that the natural reproduction of the strings

is already uneven. Just one example of many

reasons for uneven reproduction.