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Eela Audio Logos, Manual

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Manual Logos

EELA AUDIO  Parmentierweg 3                  

19                                          

Rev. 6

 (July 2001)

5657 EH  Eindhoven, the Netherlands

Main v1.43

6.4 Insert bypass

The function key F1 will switch the bypass of the insert
point and therefore disables the Insert.
The <F1> LED will indicate the ON- status.
(The insertion is disabled).
For more information about the Insertion point, see
Chapter 2 (Rearside connectors).

6.5 Compressor / Limiter

<F1> toggles the Compressor / Limiter active or not. The LED in the <F1> key indicates the
active On status. Turning the JOG-wheel will adjust the Threshold (max. microphone output
level).

The Attack-time can be adjusted by holding the <F2> key and turning the JOG-wheel at the
same time for Slow / Medium / Fast. Be careful selecting the FAST response time, this can
result in a pumping effect.
The 4 LED's next to the microphone fader indicate the level of gain reduction.

6.6 Ducker

Ducker is a talk-over function to reduce the level of other
sources while talking into the microphone. The <F1> key
activates the function On and Off. The LED in the <F1>
key indicates the active on- status. This indication is only
visible if the DUCKER-menu is selected in the display.
Turning the JOG-wheel will adjust the threshold level
( -6, -12, -18 en -24dB).

The attack-time can be adjusted by holding the <F2> key and turning the JOG-wheel at the
same time for Slow / Medium / Fast.
While holding the <F3> key and turning the JOG-wheel will adjust the gain reduction of the
other sources for 3, 6, 12 of 18dB.

Gain reduction

7 dB
5 dB
3 dB
1 dB

Bypass

CompLim

Summary of Contents for Logos

Page 1: ...RT B OPERATION OF THE LOGOS 4 Start up of the Logos 16 5 Source configuration 17 5 1 Gain 17 5 2 Balance or Pan 17 6 Microphone adjustments 18 6 1 Accessing the menu 18 6 2 Phantom power 18 6 3 HighPass filter 18 6 4 Insert bypass 19 6 5 Compressor Limiter 19 6 6 Ducker 19 6 7 MonitorSel 20 Appendix 1 LOGOS Specifications 21 Appendix 2 Description sub D25 and sub D9 pinning 22 Appendix 3 UMC Hybri...

Page 2: ... the Netherlands Main v1 43 HeadphonL evel 1 The desktop console 1 1 Outlook Program Level Meter PFL Monitor Selector Monitor LSP Level Input selection Channel 2 3 Transport Control Numeric Keypad Line Channels Jogwheel Shuttle Microphone Channel Function Keys Headphone Level ...

Page 3: ...diately but only accepted when the other fader does not select that source In that case the button will not be active An open fader can do only pre selection The newly selected source is pre selected by pressing a source button and then the LED will start blinking Upon closing the fader the newly selected source will become active on that channel directly If a source is pre selected on both faders...

Page 4: ... microphone is used as talkback microphone there is no separate talkback microphone The red LED will indicate if this function is active The talkback function is allowed with open fader or not depending on the device to talk to The program level meter This modulation meter consists of 2 18 LED s The character of the meter is a PPM with a peak hold function The meter follows the signal selected by ...

Page 5: ...Digigram X track Netia The actual function of these buttons depends on the audio editor used and on the settings made within this program In most cases the user will be able to configure the function of these buttons These keys are active only for the selected device and will be disabled with open fader 1 7 Jog shuttle wheel The jog shuttle wheel is used within the set up menus of the Logos It is ...

Page 6: ... right next of the digital input connector This analogue input is basically meant for temporary connection of analogue equipment without remote control e g portable recorders The audio modes can be configured with the LogosTool Setting the gain level for this input can be done by long pressing the Front I P key in the Monitor section which opens the set up menu for this input Headphone connector T...

Page 7: ...ing of the Microphone input The Microphone signal is pre amplified 40 dB or 60 dB Adjusting the pre gain of the Microphone input therefore can cause the insertion point level to raise 20 dB This will happen at approx 50 dB pre gain Input output modules A maximum of 6 stereo input output analogue or digital modules can be plugged in The analogue modules can be used in combination with e g a telepho...

Page 8: ...on the sub D25 multipin connectors of the input boards depending on the LogosTool configuration see Chapter 3 Sub D9 GPI connector A 9 pole sub D9 connector is present with a number of signal input and outputs These inputs and outputs can be used for e g an ON AIR bulb or Cough button The function of the inputs and outputs can be programmed with the LogosTool software RS232 connector The other 9 p...

Page 9: ... or updating firmware or for changing the configuration settings you must do the following 1 Connect the mains of the PC and the Logos using an earthed outlet to avoid ESD problems 2 Connect your computer to the D902 rack unit with the 1 to 1 RS232 cable 3 Start the LogosTool 4 Select Reconnect in the Action menu 5 Turn ON or first OFF and then ON the Logos rack unit 6 If the connection is okay th...

Page 10: ...configuration from disk Loading a previously made configuration to alter it or to download it to the Logos Save configuration to disk Save the active configuration to a disk for later use Update firmware to Logos Upload a new firmware version to the Logos The software will ask which file to use Upload configuration to the Logos To transfer the current configuration from the computer to the Logos D...

Page 11: ...lobal Tab Here you can configure the function of the global GPIO and set the name and type of audio editor used Moving the cursor over the GPIO functions will open a Windows balloon with the pin numbers used of the GPIO connector The back of the rackunit holds the 9 pole sub D connector for the two GPI s and the two GPO s Possible functions for GPI A and GPI B inputs are None Cough all Cough micro...

Page 12: ...op console is limited to 8 characters Editor type Possible options are No editor No editor system connected to Logos Dalet GPIO Client for Win 95 98 with faderstart stop I O on parallel port X track Client with special PC Eela Audio software for controlling X track available on request please contact sales eela nl With the use of special Eela Audio software control data can be used for implementat...

Page 13: ...he audio mode for front inputs can be selected these are Stereo Mono Left L R Swap I O3 to I O8 Tab Presence of these tabs depends on the number of input output modules Each module contains these parameters Name Here you can enter a name for the I O module max 8 characters Mode The audio mode can be selected and the way the device is connected to the unit can be selected Stereo Mono Left L R Swap ...

Page 14: ...y Only no return signal Output is Main Play record Output is Main Hybrid analogue TB not active if fader open Output is Cleanfeed Codec Hybrid digital TB active if fader closed or open Output is Cleanfeed GPI A B and GPO A B these functions are device dependable Microphone devices a blinking LED on the PFL monitor selector indicates an active incoming cough on one of the external microphones An ac...

Page 15: ...Ready combined incoming call and ready signal Codec Hybrid On tally codec hybrid on GPOA B None Online contact closure switching hybrid on with F1 function key Hold fader switch contact closure signalling the hybrid on air Phone list tab Here you can add a list of names and telephone numbers To enter a new record press Insert A record can consist of 12 characters for the name and 18 digits DTMF co...

Page 16: ...the left fader will have default the Digital Front input selected while the right fader will have the Analogue Front input selected The display will indicate the name EELA AUDIO LOGOS and the programmed user name The function Split Record can be switched On or Off by pressing the F1 key Split record means that all line output signals will be routed to the right main output in mono and the micropho...

Page 17: ...ber on the numeric keypad Pressing the Enter key will display the selected menu Both the Enter key and the Esc key save the changes made in this menu 5 1 Gain The gain is to be adjusted with the JOG wheel between 12dB en 12dB in steps of 0 5dB F2 will always select a unity gain With the help of the meter you can adjust the gain of reproducing source for NULL dB reading Pressing the Enter key will ...

Page 18: ...rameter The Gain and Pan parameters are operated in the same way as the other line sources The Microphone Gain can be adjusted from 30 dB to 70 dB with steps from 0 5 dB The F2 button sets the level to 40 dB The Pan can be adjusted from 63 5 dB Left to 63 5 dB Right The F1 key corresponds with total Left the F2 key with Centre and F3 corresponds with total Right 6 2 Phantom power Phantom is a 48 V...

Page 19: ... at the same time for Slow Medium Fast Be careful selecting the FAST response time this can result in a pumping effect The 4 LED s next to the microphone fader indicate the level of gain reduction 6 6 Ducker Ducker is a talk over function to reduce the level of other sources while talking into the microphone The F1 key activates the function On and Off The LED in the F1 key indicates the active on...

Page 20: ...the input whereto the monitor will switch upon opening the microphone channel The possible options are where xxxxxxxx is the name of the input DigitalFront Analog Front IO3 xxxxxxxx IO4 xxxxxxxx IO5 xxxxxxxx IO6 xxxxxxxx IO7 xxxxxxxx IO8 xxxxxxxx Main Note this function is also available in the LogosTool software See Chapter 3 MonitorSelection DigitalFront Analog Front ...

Page 21: ...n Power In blue Audio Specifications Bandwidth 20Hz 20kHz Max input level 20dBu Max output level 18dBu Main output THD Noise 86 dBu LINE 6dBu at 1kHz Noise Main output all faders closed 86dBu Signal to Noise Ratio 1 Line unity gain 100dB Interchannel crosstalk 100dB Channel crosstalk 60dB 100Hz 10kHz Input Channels MIC Low gain 40dB Balanced 34 dBu 2KΩ MIC High gain 60dB Balanced 54 dBu 2KΩ MIC Eq...

Page 22: ... Audio output 1 LEFT Audio output 1 4 Audio output 1 LEFT Audio output 1 17 Audio output 2 RIGHT NOT CONNECTED 5 Audio output 2 RIGHT NOT CONNECTED 18 GPO A GPO A 6 GPO A GPO A 19 GPO B GPO B 7 GPO B GPO B 20 NOT CONNECTED 8 NOT CONNECTED 21 NOT CONNECTED 9 NOT CONNECTED 22 Ground GND Ground GND 10 GPI A GPI A 23 Ground GND Ground GND 11 GPI B GPI B 24 Serial port Serial port 12 Serial port Serial...

Page 23: ...n EA915x TELEPHONE HYBRID ß ßà à LOGOS version with sub D9 connector sub D9 Male EA915 sub D25 Male Logos 1 GND 1 2 Receive 2 6 Receive 14 3 Send 4 7 Send 17 4 Ext On 6 8 Ext On 18 5 Ring 10 9 Ring 22 Screen should be connected to the housing NOT to GND Settings in LogosTool GPIA Call Ready GPIB None GPOA On Line GPOB None EA 915 DIPSWITCH 1 to OFF ...

Page 24: ... HYBRID ß ßà à LOGOS version with sub D25 connector sub D25 Male EA915 sub D25 Male Logos 1 GND 1 2 Receive 2 14 Receive 14 4 Send L 4 16 Send L 16 5 Send R 5 17 Send R 17 6 Ext On 6 18 Ext On 18 10 Ring 10 22 Ring 22 Screen should be connected to the housing NOT to GND Settings in LogosTool GPIA Call Ready GPIB None GPOA On Line GPOB None EA 915 DIPSWITCH 1 to OFF ...

Page 25: ...ev 6 July 2001 5657 EH Eindhoven the Netherlands Main v1 43 Appendix 5 RS 232 cable Logos RS 232 CONNECTOR FROM LOGOS TO PC Sub D9 Female PC Sub D9 Male LOGOS 1 1 2 TX 2 6 6 3 RX 3 7 7 4 4 8 8 5 GND 5 9 9 A FULLY WIRED PIN TO PIN CABLE IS ALSO OK ...

Page 26: ...LEFT N 1 1 RIGHT N 1 2 LEFT N 1 2 RIGHT TALKBACK TALKBACK DTMF 300Hz 3Khz MONO MONO MONO OFF 40HZ 80HZ 160HZ DCA DCA DCA DCA DCA INSERT MIC HI LOW GAIN FRONT LEFT RIGHT INPUT 2 IN OUT 3 8 I O CARD GPIO MIX BUS MAINL N 1 1L N 1 2L MAINR N 1 1R N 1 2R MAINL N 1 2L MAINR N 1 2R MAINL N 1 1L MAINR N 1 1R RAM ROM PRGR I O RAM ROM PRGR I O UP 386EX CONSOLE PC HOST GPIO LSP HPH FRONT METER OUT MAIN R MAI...

Page 27: ... 9 Firmware 10 11 14 Fuse 7 23 GPIO 9 12 13 15 24 Handshake 10 Hybrid 1 15 16 25 26 Initialise 18 Insertion point 7 Loudspeaker 9 Name 10 11 12 13 14 16 18 22 Netia 5 ON AIR bulb 9 Optocoupler 9 Parity 10 Phantom 1 20 Phone list 16 PPM 4 Printer 11 Roll off frequency 20 RS 232 1 27 Sample Rate Converter 7 SPDIF 6 7 Studio microphone 3 13 15 Telephone hybrid 4 7 XLR 7 X track Zie Digigram X track i...

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