Hk-audio CTA 118 Sub User Manual download pdf (Page 15)

Four keys operate the device - Menu, Enter,

Up and Down.

Menu/ Esc:

This key accesses the controller’s menu structure

and exits a menu level.

Enter:

This key confirm changes and access menu levels.

Up and Down:

These keys navigate within a menu level and

increase and decrease displayed values. Please refer

to the menu structure quick guide at the end of the

chapter to learn more.

3.1 Level

You can adjust input levels from – 96 dB to +6 dB in

0.5 dB steps. Use the Up or Down keys to select the

gain setting and confirm your selection with Enter.

Note: The Level parameter adjusts the level after the

analog-to-digital converter to balance out varying

(system) levels. Level does not influence the input

signal’s volume in front of the analog-to-digital

converter. If the display reads “Digital Clip ?! Check

Input !” be sure to reduce the level at the mixing

console. In this case, the signal is saturating the

analog-to-digital converter, distorting the signal’s

rectangular waveform to create square waves. This

sounds extremely annoying and will eventually

destroy the power amp and speakers.

Tip: If you wish to reduce the volume of the lower

mid/high unit in the array – say, because it hangs

low and listeners are close to this unit – you can

use Level to do this. However, Level also affects the

subwoofer’s volume. Increase Sub Level by the same

value to compensate for the difference.

3.2 Key Lock

3.3 Utilities

Sync Remote

When you confirm the Sync Remote command, the

unit sends the current settings to all networked

controllers. The control panel currently in use is the

master. This feature comes in handy if the network

connection fails.

D. The ConTour Array™ DDO-Pro™ Controller

Fig. 16: DDO-Pro™ network

Fig. 17: DDO-Pro™ Controller panel

Net Ports link several CTA 118 Subs in a

communication network. Use CAT 5 network cables

or professional Ethercon cables with a metal plug

to do this. Connect the first CTA 118 Sub’s output to

the next unit’s input, and so forth.

Note: This is purely a data interface. The DDO-Pro™

Net Port does not send audio signals.

If you wish to adjust controller settings (for example,

filter, gain or delay), you can do this on any CTA 118

Sub’s control panel. Automatically, the unit becomes

the master controller and sends parameter changes

to all networked CTA 118 Subs (up to 32 units).

Note: It does not send "Utilities" menu settings.

Caution: If you wish to use another CTA 118 Sub and

a ConTour Series™ cabinet (CT 108, CT 112, CT 115) for

near-fill or in-fill applications alongside CTA 208

speakers in a larger rig, DO NOT network it!

Otherwise the connected CT 108, CT 112 or CT 115 will

adopt the settings entered for the mid/high array.

2. Audio Signal Routing

Use an XLR cord to connect the signal source to

the first CTA 118 Sub’s signal input. If you wish to

connect further CTA 118 Subs to the source, do this

using the Signal Through ports. The XLR port’s pin

assignments are: pin 1 = ground, 2=+, 3=–.

Be sure to read section 3.1 covering maximum input

signal level and digital clip error and heed these

guidelines.

1. The DDO-Pro™

Net Port

 

The AD converter’s Digital Clip indicator

English

3. Handling the

DDO-Pro™ Controller

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Hk-audio CTA 118 Sub User Manual Page 15

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