Aphex 1788A Manuel utilisateur

Companion to the Instruction Manual

Produced by: Donn Werrbach. Creation tool: Adobe InDesign 2.0. Printed by: Stuart F. Cooper Co., Los Angeles.

SYSTEMS

IMPORTANT NOTICE

This is a separate remote control manual that was

created to accompany the 1788A Instruction Manual

to deal with remotely controlling the 1788A, use of

the PC and Mac software, and use of the 1788A-R

dedicated hardware remote control unit. Please be

sure to maintain both manuals for reference.

P/N 999-4340 Revision 1 Released 05/12/2005

Manufactured by

Aphex Systems Ltd.

11068 Randall St.

Sun Valley, CA 91352 USA

R/C

Manual

Page 2 Page 3

R/C Manual 1. R/C OVERVIEW

CONTENTS

1. Overview of R/C (Remote Control) — 3

1.1 R/C INTERFACE CONNECTORS — 3

1.2 R/C INTERFACES — 3

1.3 CONCEPT OF BANKS & CONSTELLATIONS — 4

1.4 HARDWARE R/C — 5

1.5 COMPUTER R/C — 5

1.6 COMBINED R/C — 6

1.7 ABOUT PRESETS — 6

1.8 WRAP-UP — 8

2. Using MIDI — 9

2.1 DIRECT MIDI CONTROL — 9

2.1.1 Determining Channel & Device Numbers — 9

2.1.2 Procedure for Setting The Numbers — 9

2.1.3 1788A’s Direct MIDI SysEx Strings — 9

2.1.4 Understanding Ch, Dev and Net Offsets — 10

2.1.5 Setting Up The Controller — 10

2.1.6 Connections — 11

2.1.7 Controlling Multiple 1788A’s — 11

2.1.8 Broad Commands & Presets — 12

2.1.9 Learning a Preset — 12

2.2 INDIRECT MIDI CONTROL — 13

2.2.1 Hardware Hook-up — 14

2.2.2 Control Assertion — 14

2.2.3 Expanding the SysEx String — 15

2.2.4 1788A-R’s Odd MIDI I.D. — 15

2.2.5 Daisy-Chained 1788A-R’s — 15

2.2.6 Preset Recall Strategy — 15

2.3 MULTIPLE MIDI CONTROLLERS — 16

2.4 CLONING 1788A’s — 16

2.5 REFERENCE DATA — 17

2.5.1 Parametric Codes & Values — 17

2.5.2 Useful Conversion Tables — 18

2.5.3 MIDI Control Examples — 19

3. 1788A-R Hardware R/C Unit (“HRemote”) — 21

3.1 PURPOSE — 21

3.2 FRONT PANEL CONTROLS — 21

3.2.1 Unit Select — 21

3.2.2 Wake-up — 21

3.2.3 Status LED’s — 22

3.2.4 Comm LED’s — 22

3.2.5 Clip/Limit LED’s — 22

3.2.6 Test Tone Buttons — 23

3.2.7 Control/Display Panel — 24

3.2.8 Preset Manager Panel — 24

3.3 SNAPSHOTS & EDITING — 25

3.3.1 Live Snapshots — 25

3.3.2 Editing — 25

3.4 CLONING 1788A-R’s — 26

3.5 POWER UNIT — 27

3.5.1 I/O Located Here — 27

3.5.2 Bank Selector — 27

3.5.3 MIDI Jacks — 27

3.5.4 RJ-45 Ethernet Jack — 28

3.6 INSTALLATION — 28

3.6.1 Interface Cable — 28

3.6.2 Rack Mounting — 28

3.6.3 Desktop Mounting — 28

3.6.4 AC Line Connection & Power — 28

3.7 MORE ABOUT USING THE 1788A-R — 29

3.7.1 Assigning A Bank — 29

3.7.2 Setting Up The MIDI Channel — 29

3.7.3 Initial Sync — 29

3.7.4 Coexisting with a Software R/C — 30

3.8 MULTIPLE SELECT GROUP BEHAVIOR — 30

4. Building a Proper Network — 31

4.1 STANDARD PARTS — 31

4.2 NETWORKING SPEED — 31

4.3 DHCP SERVER — 31

4.4 CAT 5/6 WIRING — 31

4.5 HUBS & SWITCHES — 31

4.6 SHARING EXISTING LANs — 31

4.7 SUITABLE HARDWARE — 32

4.8 TYPICAL NETWORK DIAGRAMS — 32

5. 1788A Software R/C — 34

5.1 COMPUTER PLATFORMS — 34

5.2 LOADING THE SOFTWARE — 34

5.3 STARTING THE SOFTWARE — 34

5.4 PROGRAM NAVIGATION — 36

5.5 WAKING UP THE CONSTELLATION — 36

5.6 INITIAL STATES — 36

5.7 PRESETS — 37

5.7.1 Sessions — 37

5.7.2 Loading and Saving Sessions — 37

5.7.3 Creating/Editing Presets — 38

5.7.4 Blue EDIT Button — 40

5.8 MANIPULATING LOG-ON THUMBSNAILS — 40

5.8.1 What Thumbnails Contain — 40

5.8.2 Thumbnail Actions — 41

5.8.3 Auto-Arrange — 41

5.8.4 Removing Unit Thumbs — 41

5.8.5 Log-On Pages — 42

5.8.6 Log-On Panel Controls — 42

5.9 GROUPING — 42

5.9.1 Group Controls — 43

5.9.2 Group Select Pulldowns — 43

5.9.3 Scope of Groups — 43

5.10 USING TEST TONES — 43

5.10.1 Launching The Tone Flyout — 43

5.10.2 Activating Tones in Groups — 43

5.11 SETTINGS — 44

5.12 TUTORIAL — 44

5.13 SOFTWARE WRAP-UP — 48

Page 2 Page 3

R/C Manual 1. R/C OVERVIEW

1. Overview of R/C (Remote Control)

1.1 R/C INTERFACE CONNECTORS

Only ONE source of control is accepted. Front panel selection of MIDI or LAN must be

made on each 1788A. The 1788A always wakes up in the last mode used.

1.2 R/C INTERFACES

Control Language: MIDI SysEx

Whether using the 1788A’s Ethernet LAN or MIDI ports, MIDI SysEx (system exclusive)

strings are used for control.

Direct MIDI Control

In the most basic scenario, a wide range of MIDI devices can be used to control one or

more 1788A’s directly through the MIDI interface. For example, you could use a lighting or

sound console to control the 1788A’s channel gains and other functions.

RS232 port is not used

for remote control by

the 1788A. Used for

updating firmware

only.

Peavey PC 1600

Yamaha DM2000

Digidesign ICON

MIDI Controller Examples

One Or More 1788A’s

MIDI Cable

MIDI In

MIDI Thru

MIDI In

Fig. 1-2. Basic Direct MIDI Control Diagram

MIDI Interface

Ethernet Interface

Fig. 1-1

R/C Ports on Back of 1788A

3.6.2 Rack Mounting — 28

3.6.3 Desktop Mounting — 28

3.6.4 AC Line Connection & Power — 28

3.7 MORE ABOUT USING THE 1788A-R — 29

3.7.1 Assigning A Bank — 29

3.7.2 Setting Up The MIDI Channel — 29

3.7.3 Initial Sync — 29

3.7.4 Coexisting with a Software R/C — 30

3.8 MULTIPLE SELECT GROUP BEHAVIOR — 30

4. Building a Proper Network — 31

4.1 STANDARD PARTS — 31

4.2 NETWORKING SPEED — 31

4.3 DHCP SERVER — 31

4.4 CAT 5/6 WIRING — 31

4.5 HUBS & SWITCHES — 31

4.6 SHARING EXISTING LANs — 31

4.7 SUITABLE HARDWARE — 32

4.8 TYPICAL NETWORK DIAGRAMS — 32

5. 1788A Software R/C — 34

5.1 COMPUTER PLATFORMS — 34

5.2 LOADING THE SOFTWARE — 34

5.3 STARTING THE SOFTWARE — 34

5.4 PROGRAM NAVIGATION — 36

5.5 WAKING UP THE CONSTELLATION — 36

5.6 INITIAL STATES — 36

5.7 PRESETS — 37

5.7.1 Sessions — 37

5.7.2 Loading and Saving Sessions — 37

5.7.3 Creating/Editing Presets — 38

5.7.4 Blue EDIT Button — 40

5.8 MANIPULATING LOG-ON THUMBSNAILS — 40

5.8.1 What Thumbnails Contain — 40

5.8.2 Thumbnail Actions — 41

5.8.3 Auto-Arrange — 41

5.8.4 Removing Unit Thumbs — 41

5.8.5 Log-On Pages — 42

5.8.6 Log-On Panel Controls — 42

5.9 GROUPING — 42

5.9.1 Group Controls — 43

5.9.2 Group Select Pulldowns — 43

5.9.3 Scope of Groups — 43

5.10 USING TEST TONES — 43

5.10.1 Launching The Tone Flyout — 43

5.10.2 Activating Tones in Groups — 43

5.11 SETTINGS — 44

5.12 TUTORIAL — 44

5.13 SOFTWARE WRAP-UP — 48

Page 4 Page 5

R/C Manual 1. R/C OVERVIEW

Indirect MIDI Control

MIDI controllers can access 1788A’s through the LAN indirectly by interfacing with one or

more 1788A-R’s. A most basic example is illustrated below.

Ethernet LAN

Many applications call for more sophisticated remote control or control at greater distances

than a MIDI port can handle. The Ethernet port is used to pipe UDP data between 1788A’s

and dedicated hardware and computer-based control surfaces over a Local Area Network

(LAN). Up to 128 1788A’s and 8 R/C units can be accommodated on a single LAN.

REFER to Section 4, “Building A Proper Network” for instructions on network hardware

configuration.

1.3 CONCEPT OF BANKS & CONSTELLATIONS

When under LAN connected control, 1788A’s are addressed by their NET NUMBER which

is manually assigned through each preamp’s front panel. This NET number identifies it

as an individual unit and as a member of a BANK. Banks are contiguous Net numbers in

groups of 16 according to the following table:

Fig. 1-4. Some Of The Possibilities When Using A LAN

MIDI DHCP

Router

Switch

Cat 5/6

PC Software R/C

Max Qty. 1.

1788A-R

Additional

1788A-R’s

up to 8

Total

MIDI

Controller(s) 1788A

1788A

Max 128

1788A’s

Fig. 1-3. Elementary Indirect MIDI Control

MIDI DHCP

Router

Cat 5/6

1788A-R

MIDI

Controller

1788A

Bank No. 1 2 3 4 5 6 7 8

Net Nos. 1-16 17-32 33-48 48-64 65-80 81-96 97-112 113-128

Table 1-1. Bank Definitions

Page 4 Page 5

R/C Manual 1. R/C OVERVIEW

A CONSTELLATION refers to the whole array of preamps attached to the same LAN.

It may comprise only one 1788A or up to 128 of them. Preamps may be assigned NET

numbers placing them in different banks even when any given bank is not filled. For

example, you could have up to 16 preamps all within one bank, or assign them variously

to as many as 8 banks. At the other extreme, you could have 128 preamps that occupy 8

fully filled banks. That’s a damned lot of channels (1024).

1.4 HARDWARE R/C

Aphex manufactures a dedicated companion controller unit, the 1788A-R. Each 1788A-R

can control a bank of up to sixteen 1788A’s (equalling 128 microphone channels). Each

1788A-R has MIDI In and Through ports that can be used to extend remote control to

MIDI control devices which will be directed through the 1788A-R to the targeted 1788A’s.

Communications between 1788A-R’s and 1788A’s is exclusively by LAN.

NOTE: One 1788A-R can control one of eight assignable banks. Up to eight 1788A-

R’s can be used to control up to eight banks of 1788A’s.

Direct selection of any 1788A within a bank gives rapid access to all functions through a

control surface that exactly matches the front panel of a 1788A including Group Select

and Test Tones. The 1788A-R also supports Preset Store and Preset Recall within its bank.

Remote control action as well as preset change propagation is fast and reliable.

1.5 COMPUTER R/C

Software developed especially for the 1788A is available for both PC and Mac platforms.

Using a friendly GUI (Graphic User Interface) the software program makes monitoring,

controlling and automating multiple 1788A’s easier in many ways. It is certainly more

economical than using multiple 1788A-R’s for large installations.

Fig. 1-5. 1788A-R Dedicated Control Surface

Fig. 1-6. Example of a Software Control Panel

Page 6 Page 7

R/C Manual 1. R/C OVERVIEW

Preset Management

Software-managed presets are more extensive than using hardware controllers. Individual

channel labels, group labels, and preset naming of up to 128 characters each in file save

mode and 16 characters each in hardware save mode is supported. Preset Recall and Preset

Store is easier to accomplish. Both “save to hardware” and “save to file” are supported.

NOTE: MIDI control is NOT accepted by the PC Software controller, even if the computer

is outfitted with MIDI ports. When a LAN is used, MIDI controllers can gain access to a

bank of 1788A’s only through a 1788A-R unit’s MIDI port.

Wide System View

Enormous numbers of preamps can be displayed in thumbnail form and quickly switched

to the main control area. Thumbnails indicate channel signal levels and flash to indicate if

a channel is clipping to readily alert the operator of problem spots needing attention.

Massive Grouping & Control

Channel grouping of controls can be done across the constellation of 1788A’s, not

just within a single 1788A as with the hardware R/C. Four constellation groups are

supported. This means you can assign any channel of any 1788A preamp to any one of

the four groups. When any channel’s control is changed, all others in that group change

accordingly. If gain is changed, there are two user options: Proportional or Absolute.

If Proportional is selected, grouped gains move proportionally. If Absolute is selected, all

gains snap to the same gain as the channel that was adjusted.

1.6 COMBINED R/C

With minimal restraints, the hardware (1788A-R) and computer based remote control can

co-exist on the same LAN. Any given control source takes priority at the instant it issues a

command. All others that are online will update their references as necessary to reflect the

change. Contention for control is taken care of by the proprietary UDP communications

system. Jam-ups and lost control are prevented even while multiple controllers are busy

making changes. There is no hierarchy of procedure. All controllers are peers.

1.7 ABOUT PRESETS

One of the most useful features available through R/C is the ability to save, edit and recall

up to 60 presets.

Because of the flexibility built into the 1788A and its remote controllers, a distributed

approach was used for storing preset data in hardware.

60 bank-wide presets can be memorized in each 1788A-R. Each of the 60 presets contains

enough data to define the entire state of the each of the 16 positions in the bank. The

preset memory also stores the preset’s given label, the preamp’s given label, and all given

channel labels, (up to 16 characters long each) all of which must be defined through the

PC remote software.

Each 1788A contains its own memory dedicated to storing the current machine state. The

last preset propagated is stored in the 1788A’s memory enabling it to wake up in its prior

state should the preamp become powered down.

NOTE: 1788A-R hardware remote cannot create or display a preset label (only a

number), preamp label, or channel labels.

Page 6 Page 7

R/C Manual 1. R/C OVERVIEW

Management Extents

Storing and recalling presets can be done only by remote control. Recalling presets can be

done by indirect MIDI as well as by the 1788A-R and the PC software R/C. The extent of

preset management depends on the form of R/C according to the table below.

Constellation and Bank Capture/Recall

Since one 1788A-R controller can address only one bank, it can only capture the state of

its own bank. This is typically no limitation since it is rare to see more than 16 1788A’s

(which can fit in one bank) in a whole system. That’s 128 mic channels which covers all

but the most elaborate sound installations. One 1788A-R will provide total preset/recall

capability for a one-bank constellation of up to 128 mic channels.

NOTE: Sometimes, for operational convenience, a smaller number of preamps are

assigned by NET numbers to two or more unfilled banks. Therefore, more than one

1788A-R will be installed and assigned to the multiple banks. Banks do not have to be

filled to create a viable constellation.

Hardware Recall

An operator could manually use controls on each 1788A-R to individually recall numbered

presets one by one. When only one 1788A-R is in control of the whole constellation, this

is a simple operation. However, it may be less convenient if more than one 1788A-R is in

use, requiring the operator to manually recall from each R/C unit.

Hardware Capture plus MIDI Recall

In a show control scenario, a MIDI controller can be used to recall presets that are to be

enacted regularly. In that case, it would be connected to the 1788A-R MIDI ports and be

programmed to send a sequence of Preset commands to tell each 1788A-R in turn to

recall a specified preset number. An existing mixing or lighting console or small stand-

alone MIDI controller unit can suit the purpose of automating recalls.

Software Presets

The software R/C running on a PC or Mac integrates all the bank functions universally and

can not only capture a whole constellation snapshot, but also command a constellation

preset change with mouse-click ease. Project management is provided with a file system

for saving and recalling constellation presets, assigning preamp unit and channel labels,

preset labels, and other essential information.

MIDI 1788A-R Software R/C

Capture Constellation No No Yes

Capture Block No Yes No

Recall Constellation No No Yes

Recall Block Yes Yes No

Preset Labeling N/A No* Yes

Table 1-2. Preset Management Extents

* Presets are stored by name but displayed by number only (1-60).

Page 8 Page 9

R/C Manual 2. USING MIDI

The software remote can handle communications with all 1788A’s in the constellation

directly. Even when one or more 1788A-R’s are detected, the software directly transmits

control to all 1788A’s. It also communicates with all 1788A-R’s to keep them synchronized.

This harmony improves remote control reliability and the speed of propagating a preset

change or saving a project to hardware (the 1788A-R’s 60 bin snapshot memory).

1.8 WRAP-UP

R/C of a single 1788A or a large constellation can be as simple or as sophisticated as you

may want. Great flexibility is given in the extent and division of R/C positions. Preamps and

R/C positions can be physically spaced over an Ethernet LAN. PC or Mac software giving

total constellation access and control can be placed at one R/C position. Hardware-based

dedicated controllers have bank controlling ability but not necessarily constellation access.

Up to eight hardware controllers can coexist with one software controller. Up to 60 presets

are hardware and software supported. Bank data for up to 60 presets is stored in the

1788A-R’s for maximum flexibility. File storage of constellation snapshots is supported by

software. Software projects can created and file-saved containing an entire database of

all defined groups, preamp labels, preset labels, and channel labels to the depth of all 60

potential preset definitions. Aphex makes you happy.

Page 8 Page 9

R/C Manual 2. USING MIDI

2. Using MIDI

2.1 DIRECT MIDI CONTROL

MIDI control can be piped directly to a 1788A’s MIDI Input port from any suitable

controller. Suitable controllers are devices such as mixing or lighting consoles or stand-

alone MIDI controllers that have programmable physical controls such as pushbuttons and

sliders which can send SysEx strings to a MIDI port.

2.1.1 Determining Channel & Device Numbers

Channel & Device

You will need to establish channel and device numbers on your 1788A’s. The objective

is to choose channel and device numbers that are not used by any other MIDI devices

connected to the controller’s MIDI output port. If your 1788A constellation is the only

thing on the controller’s output port, then you can take channel 1 for all 1788A’s and give

them each a unique device number. The device numbers don’t need to be sequential or

contiguous, but they need to be unique. You will need to know these numbers in order to

identify which preamp you want to access when programming the MIDI controller later

on, so write down this information when you set up your 1788A’s.

2.1.2 Procedure for Setting The Numbers

1. Place the 1788A in Local control.

2. Press Mode to select MIDI.

3. Press Set I.D. to select Ch. (Channel)

4. Press Adjust/Store. It will light up.

5. Set the displayed number using the Adjust dial.

6. Press Set I.D. to select Dev. (Device)

7. Repeat step 5.

8. Press the Adjust/Store button again. It will store

the new numbers and the button light will go off.

NOTE: With direct MIDI control there will be no LAN connection. Therefore the NET

number is irrelevant and can be set to anything.

Refer to section 4.2 of the 1788A Instruction Manual for more information about

setting the Channel, Device, and Net numbers if you are experiencing difficulty.

2.1.3 1788A’s Direct MIDI SysEx Strings

Direct MIDI SysEx strings are exactly the same as the parametric strings used for indirect

MIDI control (described later). When filling in the three bytes in the grayed area, refer to

reference data at the end of this chapter. See figure 2-3.

Ch_01

dn_03

nn_03

Device

Net

Fig. 2-2. 1788A Control Panel

(Irrelevant with

direct MIDI Control)

MIDI Out In

MIDI Controller 1788A 1788A

Fig. 2-1. Direct MIDI Control Hook-up

Thru In Thru

Page 10 Page 11

R/C Manual 2. USING MIDI

2.1.4 Understanding Ch, Dev and Net Offsets

Please observe two important facts about MIDI Channel, Device, and Net Numbers.

1. All three are displayed in decimal form on the 1788A and 1788A-R front panels. Ch and

Dev go from 01 to 16 and Net goes from 001 to 128. You will need to convert decimal to

hexadecimal for use in SysEx strings. A handy conversion table is located in this chapter’s

reference data.

2. Channel, Device, and Net numbers in the SysEx strings must be programmed with an

offset of -1 from the numbers that are indicated on the 1788A’s front panel readout. For

example, if the 1788A is set to Ch 01, Dev 02, and Net 003, the SysEx code would look like

00 01 02, not 01 02 03. This may be confusing at first, but you will find it quickly becomes

easy to deal with.

2.1.5 Setting Up The Controller

The method of programming a MIDI control varies from product to product. To successfully

interface a MIDI control surface to 1788A’s, you will need to learn the control surface.

Once you have determined the way to program your controller, you can begin applying

SysEx strings to the controls. We will next illustrate this process by using a general purpose

MIDI controller, the Peavey PC 1600x. You can apply what you learn to any other MIDI

controller with appropriate variations.

Here’s how we’re going to set it up. The MIDI controller will be set up to control the

Input Gains of all eight channels of a 1788A. The pushbuttons under each fader will be

programmed to activate/deactivate the Mutes of each channel.

F0 00 00 38 xx xx xx xx xx F7

SysEx Start

MIDI Channel

MIDI Device

Command

Mic Channel

Value

SysEx End

(00h to 0Fh)

Offset by -1 from 1788A

Channel #

(00h to 0Fh)

Offset by -1 from 1788A

Device #.

(00h to 0Fh)

Offset by -1 from 1788A

Net #

See Table

Mic Channel (01-08)

See Table

Aphex MIDI I.D.

Net Number

Fig. 2-3. 11-Byte Direct MIDI SysEx String

Fig. 2-4. Example of MIDI R/C Unit

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