Advanced Operation; Navigating The Lcd Control Screen - Crown I-Tech HD Series Operation Manual

4 Advanced Operation

4.1 Advanced Operation Table of Contents.......14

4.2 Navigating the LCD Control Screen ................... 15

4.2.1 Introduction ...................................................................15
4.2.2 Basic Selections ............................................................16
4.2.3 Advanced Menu .............................................................17
4.2.4 Monitor Menu ...............................................................20
4.2.5 Alert Menu .....................................................................20
4.2.6 Networking Menu ..........................................................21
4.2.7 CobraNet Menu .............................................................22
4.3 Presets .................................................... 23
4.3.1 Introduction ...................................................................23
4.3.2 User Presets ..................................................................23
4.3.3 Downloadable Presets ...................................................23
4.4 File Transfer Via the USB Port ......................... 24
4.5 List of Pop-Up Boxes and Descriptions ............... 25
4.6 Digital Audio Options (AES/EBU) ...................... 26
4.7 Networking the Amplifier ............................... 26
4.7.1 NetworkTroubleshooter ...................................................26
4.8 Software-Controllable Onboard DSP ................. 26
4.8.1 Amplifier DSP Selection Screen .....................................27
4.8.2 Amplifier Mode .............................................................27
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I-Tech HD Series Power Amplifiers
4.8.3 Levels and Indicators .....................................................27
4.8.4 Input Signal Router ........................................................28
4.8.5 Source Configuration ....................................................29
4.8.6 CobraNet Advanced Settings .........................................29
4.8.7 Input Signal Compressor ..............................................30
4.8.8 Input Delay and Driver Delay ..........................................30
4.8.9 Input EQ and Output EQ .................................................31
4.8.10 Crossover Filters .........................................................32
4.8.11 LevelMax Suite ...........................................................33
4.8.12 Front Panel Security ....................................................33
4.8.13 Amplifier Settings .......................................................34
4.8.14 Amplifier Information ..................................................35
4.8.15 Apply to Others ...........................................................35
4.8.16 Delay (Latency) ...........................................................35
4.8.17 Preset Manager ...........................................................36
4.8.18 Signal Generator ..........................................................37
4.8.19 Fixed-Gain Mode in the I-Tech HD ...............................38
Operation Manual
I-Tech HD Series Power Amplifiers
4 Advanced Operation MENU TREE
Attenuation - Mute - Lockout
4.2 Navigating the LCD Control Screen
4.2.1 Introduction Menu button
The LCD Control Screen and its controls let you configure the
ampli fier and access many features that before were available only
Sample Rate
through a remote computer. Also, you can recall DSP presets via
Analog Input Sensitivity
the front panel. (Some DSP parameters cannot be adjusted with
Presets
the LCD Control Screen. That is done in System Architect.)
Amp Mode
Locate
Figure 4.1 shows the parts of the LCD Control Screen. Its
functions are described below. NOTE: Listed functions can also be
controlled in System Architect.
ADVANCED MENU
(press knob once to access these
items:)
Attenuator Limits
Attenuator Link
Input Sources
Analog Source Select
Maximum Analog Input
Figure 4.1 Parts of the LCD Control Screen
Digital Source Select
Here's how to access the various menus and settings in the LCD
AES Source Select
control screen:
AES Input Trim
• Starting from the Attenuation screen, press Menu/Exit to go to
AES Input Status
the Sample Rate screen.
Cobranet Source Select
• Press Next to go to the next item in the menu.
Cobranet Input Trim
• Press Prev to go to the previous item in the menu.
Bandpass Gain
• Turn or press either Encoder knob to change the value of the
Exit
Output Polarity
dis played parameter.
Input Delay
• When you see a menu screen, push the knob once to see the
items in that menu. Or press Next to go to the next menu. Speaker Delay
• Press Menu/Exit to leave the menu and return to the Attenuation
LED Meter Display Type
screen at any time.
Bar Meter Display Type
Some menu items require confirmation: after you request a change,
LevelMax
the display might say "Press and hold." To confirm a change, press
Peak Voltage Limiter
and hold an Encoder knob. If you don't want the change to occur
RMS Voltage Limiter
during a confirmation, turn the knob or wait five seconds.
Transducer Thermal Limiter
The entire front panel or just selected screens can be locked out or Pink Noise Generator
set to read only status using System Architect software. Locked-out
SLM (Sweep Load Monitoring)
screens will either say "Lockout" or the individual parameter will
Front Panel Blackout
say "N/A". If a change is attempted the screen will say "Changes
Disabled".
Sweep Load Monitoring is not available
in early I-Tech HD models.
Operation Manual
ALL MENUS: Next/Previous loops
Menu Tree
As a handy reference, Figure 4.2 shows the menu
structure of the LCD control screen. Starting from
Prev to
Next
Prev
any Menu screen, press an Encoder knob to go to
Cobranet
the first selection in the Menu. You can loop
Menu
through a menu's selections using the Next and
Prev buttons. The Menu/Exit button returns
you to the Attenuation screen which you see on
power-up.
Next
Next Next
MONITOR MENU ALERT MENU
(press knob once to access (press knob once to access
these items:)
these items:)
Load Monitoring
Amp Output Clip Errors
Thermal %
Analog Input Clip Errors
Thermal Temp deg. C
Thermal Errors
AC Line Voltage
Low Limit Load Errors
Operating Time
High Limit Load Errors
Watts Output
SLM Errors
Line Voltage Errors
Exit
Exit
Fan Errors
Clear All Error Logs
Next
NETWORKING MENU COBRANET MENU
(press knob once to access (press knob once to access
these items:) these items:)
Network Info Cobranet Information
Manufacturing Info Ch1 Cobranet Rx
HiQnet Node Address Ch2 Cobranet Rx
DHCP Cobranet Tx
Level
IP Address Cobranet Conductor Priority
Max
Suite
Subnet Mask Cobranet Transport Latency
Exit Exit
Figure 4.2 The Menu Tree
Next
Next
To
Sample
Rate
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