IA 202D / IA 402D Instruction Manual
Revision 3
12
6.
Screen Items & Operation
6.1.
Overview
The
Overview
menu/screen is the default screen showed on the amplifier LCD during
normal operation (Figure 1).
Figure 1. Overview Screen.
Various information is displayed on the screen:
•
“L” Letter in top right-corner displays amplifiers Lock state. When the amplifier screen
is locked the “L” letter is present in the top-right corner of the
Overview
screen,
•
Output level of the amplifier is displayed in the second and third row. When the limiter
threshold is reached and gain reduction is applied to the signal “LIM” letters show up
at the end of the scale. The backlight of the screen blinks calling for user attention. If
the channels are muted, the level display meters are replaced with the text
“MUTED”
.
•
On the bottom-left part of the screen
Input Routing
mode is shown.
•
When clipping occurs the level is replaced with
“INPUT CLIP”
text and the backlight of
the amplifier blinks thus calling for user attention.
Further actions from the Overview screen can be:
•
Scrolling the rotary knob and thus adjusting both channel output levels by the
same amount. Change delta in dB is shown.
•
Pressing & holding the rotary controller knob to enter MENU.
If the screen is unlocked
“>”
arrow appears enabling user to go to the next view where
currently active presets for each channel are shown.
Figure 2. Active Presets View.
By clicking
“Next”
one or two more times user can access individual output level
adjustments for both channels
A
and
B
.
Figure 3. Channel Output View.
Here user can adjust per channel output gain level or mute the channel. Clicking
“Next”
from channel B Output view will return back to Overview screen.
OVERVIEW L
A:-24 -12 -6 -3 LIM
B:-24 -12 -6 -3 LIM
Mode: INV. ST > NEXT
ACTIVE PRESETS
ChA: IC 34: DEFAULT
ChB: IC 32: DEFAULT
> NEXT
CHANNEL A OUTPUT
-24 -12 -6 -3 -1 LIM
GAIN: 0.0 dB <
MUTE: Off NEXT