Operation Manual
I-Tech Series Power Amplifiers
page 22
4.2.5 Operation Examples
Operation Example 1
How to set the CH1 input sensitivity using the LCD Control Screen:
1. After power-up, press Menu/Exit. The first menu item appears:
the Contrast screen.
2. Press Next until you see “CH1 Sensitivity.”
3. Turn an Encoder to set the sensitivity. NOTE: If you do not see
the sensitivity you want, try changing the Maximum Analog Input
level (see below).
4. Press Menu/Exit.
Operation Example 2
How to set the Maximum Analog Input level using the LCD Control
Screen:
1. After power-up, press Menu/Exit. The first menu item appears:
the Contrast screen.
2. Press Prev until you see “Advanced Menu.”
3. Push an Encoder knob.
4. Press Next
until you see “Maximum Analog Input.”
5. Press an Encoder to change the maximum analog input level.
6. Press Menu/Exit.
Operation Example 3
How to monitor the Thermal Errors using the LCD Control Screen:
1. After power-up, press Menu/Exit. The first menu item appears:
the Contrast screen.
2. Press Prev. You will see “Monitor Menu.”
3. Push an Encoder knob.
4. Press Next until you see “Thermal Errors.”
4.2.6 Menu Tree
As a handy reference, Figure 4.2 shows the menu structure of the
LCD control screen. Once you are in a menu, you can loop through
its selections using the Next and Prev buttons. The Menu/Exit
button returns you to the Attenuation screen which you see on
power-up.
You access the Monitor Menu title screen from the Attenuation
screen by pressing Menu/Exit > Prev. You access the Advanced
Menu title screen from the Attenuation screen by pressing
Menu/Exit > Prev > Prev.
MENU TREE
Attenuation - Mute - Lockout
Menu button
BASIC MENU
Contrast (Prev goes to
Monitor Menu)
CH1 Sensitivity
CH2 Sensitivity
Presets
Output Mode
Input Y
Me/You Amp Finder
Advanced Menu screen
Monitor Menu screen
ADVANCED MENU
(press knob to access these
items:)
Attenuator Limits
Attenuator Link
LED Meter Display Type
Bar Meter Display Type
Clip Limiter
Peak Voltage Limiter
Average Power Limiter
Pink Noise Generator
AES/EBU Input Trim
Input Source
Maximum Analog Input
Coarse Signal Delay
Fine Signal Delay
Output Polarity
Bandpass
Gain
MONITOR MENU
(press knob to access these
items:)
Load Monitoring
Thermal %
AC Voltage
Operating Time
Firmware
Manufacturing Info
Networking
Clip Errors
Thermal Errors
Low Limit Load Errors
High Limit Load Errors
Line Voltage Errors
Next
Prev
Next
Prev
Next
Prev
Exit
Exit
Exit
Figure 4.2 Menu Tree of the I-Tech LCD Control Screen
4 Advanced Operation
