Krell Industries 309323 setup guide Back Panel Functions

Figure 3 The Evolution 222 Back Panel

Back Panel

Functions

15Balanced 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

16Single-ended inputs: S-1, S-2, and S-3 There are 3 single- ended analog source inputs with RCA con- nector pairs.

17Tape input

This single-ended input pair is for use with a tape source.

18C-1 and C-2 inputs The two CAST inputs have 4-pin bayonet connectors, for use with Krell CAST-equipped input devices.

19Tape output

This single-ended out- put pair is used for recording the selected input source.

20Main outputs

The Evolution 222 is equipped with one bal- anced XLR output pair, one single-ended RCA output pair, and two CAST output pairs with 4-pin bayonet connec-

tors (for use with Krell CAST-equipped ampli- fiers).

21CAN link

These RJ-45 link con- nectors are connected in parallel. They are used to operate pream- plifier channels in linked mode. See CAN Link, in the owner’s reference for more details.

22RS-232 port

This port receives mes- sages from a computer- based control system, providing integrated control of all preamplifier functions. For details, see the developer's ref- erence: RS-232 Port:

Sending Commands and Interpreting Data.

23RC-5 in

This remote connector is used with third-party remote control systems that provide RC-5 (IR) data via a wired con- nection. A stereo tip, ring, sleeve 1/8” mini connector is used in the following configuration: Tip = RC-5 data

Ring = +5 V Sleeve = GND.

2412 VDC in/out

(12 V trigger)

There are 2 outputs and one input that send 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 compo-

nents to be turned on/off, or to/from stand- by, through the remote control.

For more information, see Input Trigger in the owner’s reference.

25 Phono power port This is for connecting the preamplifier to a Krell KPE phono stage. See the KPE owner’s reference for more details.

26 IEC power cord receptacle

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.

Customizing the Evolution 222

Configurable Functions

AC Mains Balance (channel) Balance (input trim) Display, Info Input Level Trim Input Name Input Phrase Input Trigger

IR Out Control

Link Control

Mute, Output Trigger RC-5 Control, Recall RS-232 Control, Save Theater Mode Volume Display

The menu button or key (5) allows you to configure functions. Enter the menu to view the list of config- urable functions.

Select a configurable func- tion to view a submenu of the list of options that con- figure 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.

5Menu 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.

14 Level Control Knob or Up and Down Keys

Use the level control knob or the up and down keys on the re- mote control to scroll forward and backward through the menu hier- archy. Each menu list is a continuous loop.

6Enter Button or Key Press this button or key to select a function or a configuration option, and confirm a selection.

3Front Panel Display The display shows the active function and con- figurable options.

BACK

Select back to scroll backwards through the menu hierarchy, or to exit a menu option with- out confirming that option.

For more information on menu configuration, review the Owner’s Reference on the Krell website at www.krellonline.com. Navigate to Downloads/ Current, then select the Evolution 222 from the product list. The publication list for the Evolution 222 appears.

Krell Evolution 222 3