Front panel, Customizing the illusion ii, Remote control back panel – Krell Illusion II Preamplifier User Manual

Page 2: Configurable functions, Navigation conventions

2 Krell Illusion II

Krell Illusion II 3

Figure 1 The Illusion II Front Panel

Figure 2 The

Illusion II

Remote Control

Figure 3 The Illusion II Back Panel

This product is manufactured in the United States of America. Krell

is a registered trademark of Krell Industries, LLC., and is restricted for

use by Krell Industries, LLC. its subsidiaries, and authorized agents. Krell Current Mode™ and CAST™ are trademarks of Krell Industries,

LLC. All other trademarks and trade names are registered to their respective companies.

Front Panel

11 Balanced inputs: B-1

and B-2

These XLR balanced

analog source input

connectors are wired

as follows:

Pin 1 Ground

Pin 2 Non-inverting

Pin 3 Inverting

12 Single-ended inputs:

S-1, S-2, and S-3

There are 3 single-

ended analog source

inputs with RCA

connector pairs.

13 Main outputs

The Illusion II is

equipped with one

balanced XLR output

pair and one single-

ended RCA output pair.

Customizing

the

Illusion II

1 Power

Use this to switch the

preamplifier between

stand-by and operational

modes.

2 Display

This provides channel

status messages,

in-cluding input selection,

volume level, balance

offset, and menu

selections.

3 Infrared sensor

This receives commands

from the remote control.

Make sure this is not

obstructed.

4 Stand-by/Power

indicator

This power indicator

illuminates red (stand-

by) when the Illusion II is

plugged into a standard

AC wall receptacle

and rear power switch

is on. The power

indicator illuminates

blue (operational mode)

when the power button

(1) is pressed while the

Illusion II is in stand-by

mode.

5 Analog Input selectors

Use these to select

the corresponding

rear panel input that is

connected to a single-

ended (S-1, S-2, S-3),

or balanced (B-1, B-2)

analog source. The

display (2) shows the

selected input and

volume level. Pressing

the input button on the

active source will mute

all outputs. A second

press will unmute the

outputs.

6 Digital Input selector

Use this to select the

D/A converter module.

Pressing and holding the

digital button will cycle

through the additional

digital inputs.

7 Headphone Jack

1/4" stereo headphone

jack. The main outputs

are muted when

headphones are being

used.

8 Enter button

Use this to configure the

menu functions of the

Illusion II. See menu (9).

9 Menu button

Use this to access the

menu functions of the

Illusion II.

10 Level control buttons

Use these buttons to

increase or decrease

system volume level.

The level control buttons

or keys also select menu

options that customize

the Illusion II.

14 RS-232 port

This port receives

messages from a

computer-based control

system, providing

integrated control of all

preamplifier functions.

15 RC-5 in

This remote connector

is used with third-party

remote control systems

that provide RC-5

(IR) data via a wired

connection. A stereo tip,

ring, sleeve 1/8” mini

connector is used in the

following configuration:

Tip = RC-5 data

Ring = +5 V

Sleeve = GND.

16 12 VDC in/out

(12 V trigger)

There are 2 outputs

and one input that send

Configurable

Functions

AC Mains

Balance (channel)

Balance (input trim)

Display, Info

Input Level Trim

Input Name, Input Phase

Input Trigger, Mute,

Output Trigger, Recall,

Save, Theater.
The menu button or key

(9) allows you to configure

functions. Enter the menu to

view the list of configurable

functions.
Select a function to view

a submenu of the list of

options that configure the

function. You can configure

some options as well, if a

second submenu appears

when you select an option.

Navigation

Conventions

Navigating the preamplifier

menu is straightforward and

consistent throughout, using

4 functions and the menu

option BACK.
9 Menu Button or Key

To enter the menu,

press the menu button

or key. Once you are in

the menu, you can press

the menu button or key

to exit the menu.

10 Level Control Buttons

or Up and Down Keys

Use the level control

buttons or the up and

down keys on the

re-mote control to scroll

forward and backward

through the menu

hierarchy. Each menu

list is a continuous loop.

8 Enter Button or Key

Press this button or key

to select a function or a

configuration option, and

confirm a selection

3 Front Panel Display

The display shows the

active function and

configurable options.

BACK
Select

BACK

to scroll

backwards through

the menu hierarchy, or

to exit a menu option

without confirming that

option.

and receive 12 VDC

power on/off (trigger)

signals to and from

other Krell components,

and other devices

that incorporate a 12

V trigger. This allows

other components to be

turned on/off, or to/from

stand-by, through the

remote control.

17 IEC power cord

receptacle and power

switch

This is for use with the

provided AC power

cord. Plug the other end

into an AC Mains supply

capable of supplying the

correct AC voltage and

current for the power

supply. This connector

and power cord must

remain unobstructed for

easy removal in case of

an emergency.

18 Digital inputs: D-1,

D-2, D-3, D-4, and D-5

There are 2 coaxial

inputs using RCA

connectors, 2 optical

connectors using Toslink

connectors, and 1 AES/

EBU using an XLR

connector.

Keys labeled 1 to 10

have the same function

(and callout number) as

the front panel controls.

Keys labeled A through

K are unique to the

re-mote control, and are

described below:

A Phase key

Inverts the polarity

of the audio signal. A

lowercase i is displayed

when the polarity is

inverted.

B Mute key

Use this mute all

outputs. A second press

of the mute key will

unmute the outputs.

C Sel(ect) key

Cycles through the

digital inputs.

D Bal(ance) keys

Use to balance left and

right output levels.

E Transport keys

These keys are

functional with all Krell

CD and DVD players.

F CD key

Press this to make the

transport keys operate

Krell CD players.

G Direction keys

Use these keys to

navigate CD and DVD

menus.

H Select Key

Use this to make

selections from CD and

DVD menus.

I DVD key

Press this to make the

transport keys operate

DVD players.

J Menu key

Use this to enter CD or

DVD player menus.

K Title key

Use this with CD or

DVD player menus.

Note
The remote is shipped

with two AAA batteries

that have to be instal-

led. Use the supplied

Torx wrench to remove

the battery panel, then

install the batteries.

Remote

Control

Back Panel