Rane FME 15 Bedienungsanleitung

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OPERATING / SERVICE MANUALFME 15

EQUALIZER

QUICK START

For many of you, reading an owner’s manual is about as insulting as using training wheels

on your first two-wheeler. We therefore offer the following Quick Start section which outlines

the basics of the FME 15 so briefly it counts only as familiarization material, not training.

Using the FME 15 in an insert loop of a mixer is extremely easy. Simply connect them

together using a single stereo cable (¼" TRS) between the mixer’s insert loop and the FME

15’s PATCH I/Ojack. This jack is wired for the tip=send, ring=return convention used by

mixer manufacturers.

Anyone familiar with other graphic equalizers will find this one just as familiar. One word

of caution: the boost/cut RANGEswitch drastically changes the impact of a given filter. Be

careful.

Set the INand OUT GAINcontrols to the same physical positions for unity gain through

the equalizer. That is, moving both slider handles together (keeping them aligned) always

maintains overall unity gain from input to output. Many strange gain structure conditions may

be handled with these controls. See the Operating Instructions on the back page for more

information. Most applications require only a few dB of boost or cut. Start with the RANGE

switch in the ±6dBposition, and increase to ±12dBonly if necessary. Setting curves is as easy

as it is on all Rane graphics thanks to our unique interpolating constant-Q circuitry. For more

information on setting up your curves correctly, again, see the back page.

NEVER CONNECT ANYTHING EXCEPT AN APPROVED RANE POWER SUP-

PLY TO THE RED THING THAT LOOKS LIKE A TELEPHONE JACK ON THE

REAR OF THE FME 15.This is an AC input and requires special attention if you do not have

an operational power supply EXACTLYlike the one that was originally packed with your unit.

See the full explanation of the power supply requirements elsewhere in this manual.

SYSTEM CONNECTION

When first connecting the FME 15 to other components,

leave the power supply for last. This gives you a chance to

make mistakes and correct them without damaging your

fragile speakers, ears and nerves.

INPUTS.All three Inputs are wired in parallel and are

actively balanced (all Flex modules feature true instrumenta-

tion amplifier balanced inputs). Each works equally well.

Choose strictly from a favorite hardware point-of-view, there

will be no performance trade-offs. The wiring convention

adheres to American, British and International standards of

pin 2, “+”, or tip being hot; pin 3, “–”, or ring being return;

and pin 1, COMMON GND, or sleeve being signal ground.

Unbalanced operation involves using only pin 2, “+”, or tip as

signal; and pin 1, COMMON GND, or sleeve as ground. It is

not necessary to short any terminals or pins to any others. Due

to the true instrumentation nature of the inputs, there is no

gain reduction if pin 3, or “–”, is left open; however, if pin 3

gets shorted, it won’t hurt anything either. Use pin 1, the

shell, or the COMMON GND point on the terminal strip for

shield ground. (See Rane Note 110 for further information).

OUTPUTS.The FME 15’s Outputs mimic the Inputs.

True balanced output interconnection only requires the use of

pin 2, “+”, or tip; and pin 3, “–”, or ring for signal transmis-

sion. It does not require pin 1, or signal ground. All the signal

exists between the two balanced leads; ground is not in-

volved. Ground is used only for

shielding. If unbalanced output is

your preference, use pin 2, “+”, or

tip as signal; and pin 1, COMMON

GND, or sleeve as return. Leave

pin 3, “–”, or ring open. Again,

have a look at Rane Note 110 for

more detail.

EXPANDING.Expanding and/

or daisychaining the inputs and outputs normally uses the ¼"

jacks. Multiple parallel connectors allow using another output

to drive a second processor or amplifier without special

cabling.

PATCH I/O.The PATCH I/O (Input/Output) jack makes

connection to mixer effects loop insert points very simple.

Just connect a shielded stereo tip-ring-sleeve (TRS) cable

between the FME 15’s PATCH I/O jack and the TRS effects

loop insert on your console. (Your mixer must use the

tip=send, ring=return effects loop wiring convention.)

SIGNAL LEVELS.The FME 15 is designed for all line-

level signals. Signal levels from -10dBV to +4dBu or consid-

ered normal and within range (at least 16dB of headroom

exists above these levels). Do not directly connect micro-

phones into the FME 15. Use a mic preamp first.

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