10 Krell Current Tunnel
9 Phase Button
Use this key to invert the absolute polarity of the variable output 180 degrees for the
selected input. The front panel display (13) shows INVERT for the negative phase; the
display remains blank for the positive phase.
10 Zone Button
Use this button to select the main zone (the main listening or viewing area) or zone 2
(another listening area).
11 Main Zone LED
The red main zone LED illuminates when the main zone is activated. Zone status is also
shown in the front panel display (13).
12 Zone 2 LED
The green zone 2 LED illuminates when zone 2 is activated. Zone status is also shown
in the front panel display (13).

Display

13 Front Panel Display
The front panel display provides preamplifier status messages, including input and zone
selection, tape output status, volume and balance level, and menu selections.

Level Control

14 Level Control Knob
Use this knob to increase or decrease system volume level or, with the balance key, to
adjust balance. The level control knob is also used to select menu options to customize
the KCT. See Customizing the KCT Preamplifier, on page 26.

Menu Functions

15 Menu Button
Use the menu button to access menu options for customizing the KCT. The front panel
display shows MAIN MENU and submenu name. See Customizing the KCT
Preamplifier, on page 26.
16 Enter Button
Use this key to access submenu selections.