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ASHLY 4.24PS [10/20] Operating manual protea system ii digital audio products
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Operating Manual - PROTEA SYSTEM II Digital Audio Products
10
5.3.6 USER PREFERENCES
In this menu, the user is able to adjust
KEY SPEED, BACKLIGHT AUTO-OFF, LCD
CONTRAST, Master/MIDI/RS232 mode, and
selection of dBu or VU meters.
KeySpeed: KeySpeed determines the
response time of individual keys, with a higher
number meaning faster response.
Backlighting:
The Protea LCD display has
an Auto-Off option which is used to prolong the life of the fluorescent tube
within the display. When the display's backlighting turns off due to the auto-off feature, simply press any key to turn it back
on. Note: Even though the backlighting tube is off, the display remains active and can be read in sufficient lighting.
LCD contrast: LCD contrast affects viewing ability under various lighting conditions and viewing angles.
Display contrast may drift over time with extended, continuous use, due to temperature changes within the unit.
*** Master:
In a Multi-unit Protea system, only one unit may act as the Master Controller. This can be a 4.24RD
remote, a 4.24G set to Master mode, or Protea System Software on a PC. A single 4.24G used by itself must be set to MIDI.
*** MIDI:
MIDI is the data communication protocol between all Master and Slave Protea units. Once the Master
unit has been selected, each subsequent unit must be selected to MIDI mode via menu or switches.
*** RS-232: In systems where there is PC control using PROTEA SYSTEM SOFTWARE, RS-232 serial
communication is used to connect the PC to the first Protea unit in that system.
***
Master, MIDI, and RS232 switch/menu settings for specific products in various applications can be found in the System Configuration table on page 20.
VU/dBu:
Metering mode is selectable to VU (0 VU = +4 dBu), or dBu, where 0 dBu = 0.775Vrms. In addition to
the Input/Output Meters, the Compressor-Limiter Threshold and Output level reflect the current VU/dBu status.
5.3.7 MIDI
We have selected the MIDI 1.0 communi-
cations protocol for REMOTE CONTROL, or for
using multiple Protea devices in a system. The user
does not need to fully understand the details of
MIDI unless interfacing with a third-party MIDI
controller.
For technical details on using exter-
nal MIDI devices with Ashly Protea products,
see the Continuous Controller Reference Table
on page 16.
If the system has multiple units or an
external MIDI source, this menu allows MIDI CHANNEL ASSIGNMENT to a local channel, simply by scrolling
each local channel to midi channel 1-16.
MIDI DUMP is used to copy all 128 presets to another unit, specifically the next one in the MIDI chain. MIDI
DUMP takes about three seconds, and will permanently change all of the presets of the next Protea unit.
MIDI MONITOR displays the most recent MIDI message received, and is useful for system diagnostics.
1.2K800 1K 1.6K 2K 2.5K
More
Menu
630
Preset 01
dB Meters
UserPrefs
MIDI
Security
Key
Speed
15
LCD
Contr
30
Backlight
Auto-off
30 Min
Master
>MIDI
RS232
VU
>dBu
1.2K800 1K 1.6K
2K
2.5K
More
Menu
630
Preset 01
dB Meters
User Prefs
MIDI
Security
Local CHAN =
MIDI CHAN = 01 02 03 04
1234
MIDI
Dump
MIDI
Monitor
Содержание
- Ashly audio inc 1
- Digital audio products 1
- System ii operating manual 1
- Operating manual protea system ii digital audio products 2
- Table of contents 2
- Operating manual protea system ii digital audio products 3
- Warning this apparatus must be earthed 3
- 1 2 2 3 3 4 4 6 5 7 6 4
- 1 2 2 3 3 4 4 6 5 7 6 pin 5 gnd 4
- 2 3 4 5 6 7 8 9 4
- 2a gdb 4
- 40 50 63 80 100 125 160 200 250 315 400 500 630 4
- A b c d e f g h i j k l m n o p q r s t u v w x y z 4
- Ac tive balanced outputs may be wired bal anced or unbalanc ed maxi mum in out level is 20 dbu contact closure 4
- Active balanced outputs may be wired balanced or unbalanced 4
- Active balanced outputs may be wired balanced or unbalanced 115v or 230v 50 60hz 30w 4
- Ashl y audio inc made in usa 4
- Ashly 4 4rd remote or other midi device 4
- Ashly audio inc made in usa 4
- Ashly audio inc made in usa model 4 4g 4
- Channel 4
- Channel 1 channel 2 4
- Channel 3 channel 4 4
- Cmp li 4
- Contact closure 4
- Data config 4
- Data in 4
- Data in data out 4
- Data in data through 4
- Data out 4
- Data out data through 4
- Digital audio products 4
- Digital audio products digital audio products 4
- Digital equalizer system processor remote control 4
- Factory reset 4
- Factory reset rs 232 multi slave mode 1st unit only 4
- Four channel 24 bit digital graphic equalizer system processor 4
- Four channel 24 bit digital graphic equalizer system processor slave 4
- G 2u four channel processor with keyboard interface and lcd display 4
- Gs graphic 2 4ps parametric 1u two channel slave units without keyboard or lcd display 4
- Gs graphic 4 4ps parametric 2u four channel slave units without keyboard or lcd display 4
- Hpf lp 4
- In out 4
- Inputs 4
- Inputs are 18 4
- Introduction 4
- K 3 k 1 k 16k 800 1k 1 k 2k 2 k 4k 5k 6 k 8k 10k 4
- Maximum in out level is 20 dbu 4
- Midi channel midi channel 4
- Midi mode 4
- Midi or rs 232 slave rs 232 master only 4
- Mode selection 4
- Operating manual protea system ii digital audio products 4
- Outputs 4
- P us h 4
- P us h push 4
- Parametric slaves not shown 4
- Pin scene 4
- Protea control or midi device 4
- Protea or midi device 4
- Protea products 4
- Protea system software custom windows software for the pc 4
- Push p us h 4
- Rd portable remote control for 4 4g master or graphic eq slave units 4
- Recall 4
- Ri sque de cho c electr ique ne pas ouvrir 4
- Rs 232 4
- Rs 232 multi slave mode 1st unit only 4
- Rs 232 standard mode 4
- Rs232 connect 4
- System ii 2 4gs 4
- System ii 4 4g 4
- System ii 4 4gs 4
- System ii 4 4rd 4
- Thank you for your purchase of this ashly protea system ii digital audio product the protea system ii series builds on the tradition of quality and value which has earned ashly its place as a market leader in equalization and signal processing please read the entire manual in order to realize all of the powerful features the protea system ii series of products has to offer 4
- The protea system ii series consists of the following seven products 4
- Through 4
- Two channel 24 bit digital graphic equalizer system processor slave 4
- V or 230v 50 60hz 20w 4
- V or 230v 50 60hz 27w 4
- Operating manual protea system ii digital audio products 5
- Ac power requirements 6
- G main 6
- Operating manual protea system ii digital audio products 6
- Rd remote 6
- Typical protea applications 6
- Unpacking 6
- Keyboard control features 7
- Operating manual protea system ii digital audio products 7
- Protea system software 7
- Third party midi master 7
- Menu keys 8
- Operating manual protea system ii digital audio products 8
- Hpf lpf 9
- Limiter attack att and release rel time controls display units in milliseconds ms however the actual units are ms per db for example when the release control is set at 100 ms the limiter s attenuation will release at the rate of 100 ms per db or viewed in another way it would release 10db over 1 second of time the attack and release time action was designed this way to achieve a more natural attack and release behavior of a constant rate rather than time it should be noted that fast attack and release times may distort the audio signal this occurs in any limiter because a fast attack or release action changes the gain rapidly which will by definition distort the waveshape of long wavelength low frequency signals therefore it is recommended that longer attack and release times be used for lower distortion 9
- Metering 9
- Operating manual protea system ii digital audio products 9
- Ratio rat is the degree of attenuation to the signal above the limiter threshold point as the ratio increases less signal is allowed to exceed the threshold for example with the ratio set at 10 1 a 10db increase in input level results in just a 1db increase in output level thus a lower ratio is a more pleasant sounding effect while a high ratio while accurately preventing signal increases reduces the dynamic range to a point where the audio sounds unnatural 9
- Segment meters on the lcd indicate amount of gain reduction and output level including a peak led on the output meter as with eq and all other audio functions the limiter is enabled by the in out key 9
- Operating manual protea system ii digital audio products 10
- Operating manual protea system ii digital audio products 11
- Operating manual protea system ii digital audio products 12
- A note about input signal levels 13
- Interconnect features 13
- Operating manual protea system ii digital audio products 13
- Contact closures and remote scene recall slaves only 14
- Interconnection of several protea units uses midi in a closed loop configuration where one unit is the master and all remaining units are slaves midi channel assignment for model 4 4g is done in the userpref menu while slave units have front panel recessed tactile switches adjacent to each led readout for midi channel assignment using a pen cil point or other narrow object press the midi channel button until the appropriate chan nel is selected note that channel 0 disables midi control of that channel 14
- Model 4 4g has a data configuration switch on the back panel while every slave unit has a data configuration switch b as well as a baud rate select switch a on the back panel for various switch set tings cable types baud rate selections and software setups used in pro tea applications see the system configuration chart on page 20 14
- Note it is crucial not to use any isolation transformers in the data connections also when using xlr microphone cables for data connections pin 1 cannot be tied to ground anywhere along the transmission line or the unit may fail to function 14
- Note xlr data cables should be used throughout an expanded system when the 4 4rd remote controller or any slave unit is used midi cables are used only when multiple 4 4g units are chained together or when connected to a third party midi controller 14
- Operating manual protea system ii digital audio products 14
- Protea slaves store individual presets and scenes the same way as the main 4 4g since there is no way to access or alter these presets once the controlling hardware or software is removed the need arises to use a small number of pre defined settings or scenes for different situations within the scope of the installation ie room full room empty volume at half room divided etc contact closures offer an easy way to recall each of the first six protea slave scenes see sec 5 2 scene with an external remote switch pc control cannot co exist with contact closures 14
- Protea system software for windows communicates to the protea hardware via rs 232 using the computer s serial port usually com 1 4 the software can control 16 mono or 16 stereo channels com port assignment is done in the software under the communications menu and the protea s connector is a d sub 9 pin female fully compatible with a pc serial com port note that the rs232 connector can be switched instead to a six scene recall contact closure port on any of the protea slave units 14
- Remove the rs232 cable if used then press the d sub connector s recessed switch to enable contact closure mode scene change occurs upon closing or connecting a hot pin see above chart to the provided gnd pin 5 presuming no other hot pins are closed the front panel led will display c x where x is the scene number selected the six pins can be individually wired to momentary switches or to a rotary switch allowing pre programmed changes to a protea slave unit custom wiring may be used or a six position contact closure rotary switch assembly is available from your ashly dealer 14
- Rs 232 data 14
- Rs232 contact closure connector contact closure on slaves only 14
- Midi implementation 15
- Operating manual protea system ii digital audio products 15
- Channel linking 2 signal present and clipping leds 3 master slave select the remote control always acts as the master 4 rs 232 midi select the remote control always sends midi data 5 midi channel assignment is not applicable as there are no audio channels on the remote 6 midi monitor is not applicable 7 security screen is disabled it is assumed that anyone who can access the remote control is fully authorized to use it 16
- Continuous controller reference table 16
- Operating manual protea system ii digital audio products 16
- Parametric slaves 4 4g main and graphic slaves 16
- Protea protea midi control control value no name range range 16
- Protea remote control 16
- The remote control unit model 4 4rd is essentially the front end of the 4 4g system processor it has a similar interface but without any audio capabilities it is used to control the 4 4g 4 4gs and 2 4gs or various combinations of the three from a remote location up to 1000 ft away two standard xlr cables are used to connect the remote control to an audio unit note the xlr cables provide dc phantom power to the remote so pin 1 should never be connected to ground and isolation transformers must not be used for complete information on configura tion options when using the remote control see the table on page 20 note that the 4 4rd remote will not control either parametric slave parametric slaves will only respond to commands from protea system software and while both types of slaves can be used together it is best to only use pc control for such hybrid systems 16
- To conform with the communication standard used in a protea system the following functions found in the main unit are disabled on the remote control 16
- Operating manual protea system ii digital audio products 17
- Protea slave units 17
- Protea system software 17
- Caution 18
- Operating manual protea system ii digital audio products 18
- See also protea quick reference guide 18
- Troubleshooting 18
- Warranty information 18
- Channel slaves 19
- Dimensions 19
- G main 19
- Operating manual protea system ii digital audio products 19
- Specifications 19
- Operating manual protea system ii digital audio products 20
- Protea audio path block diagram 20
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