Audison Bit Tune Manuale utente

USER’S

MANUAL

rev. 2.2

audison.com

USER’S MANUAL / bit Tune

Index

1. BIT TUNE DESCRIPTION .........................................................................................................................................................4

1.1 PRECAUTIONARY NOTES ...............................................................................................................................................5

1.1 PACKAGING CONTENTS..................................................................................................................................................6

2. DIMENSIONS..............................................................................................................................................................................7

2.1 BIT TUNE DIMENSIONS...................................................................................................................................................7

2.2 MICROPHONES - SIZE AND MOUNTING.....................................................................................................................7

3. DESCRIPTION OF BIT TUNE CONNECTION PANELS AND CONTROLS......................................................................8

3.1 FRONT PANEL....................................................................................................................................................................8

3.2 REAR PANEL ......................................................................................................................................................................9

3.3 CONTROL PANEL............................................................................................................................................................10

3.4 HSM MICROPHONE (“HEARING SIMULATION MICROPHONE”)...........................................................................11

3.5 LPM MICROPHONE (“LEVEL POLARITY MICROPHONE”)......................................................................................12

4. CONNECTIONS ........................................................................................................................................................................13

4.1 POWER SUPPLY AND SWITCHING ON.......................................................................................................................13

4.2 PERSONAL COMPUTER ................................................................................................................................................14

4.3 MEASUREMENT MICROPHONE INPUTS...................................................................................................................15

4.4 INPUT SIGNALS ..............................................................................................................................................................16

4.5 OUTPUT SIGNALS ..........................................................................................................................................................17

5. SOFTWARE AND DRIVERS INSTALLATION .....................................................................................................................19

5.1 PC SOFTWARE AND DRIVER INSTALLATION WIZARD ..........................................................................................19

5.2 UNINSTALLING BIT TUNE SOFTWARE AND DRIVER..............................................................................................26

6. BIT TUNE DESKTOP ...............................................................................................................................................................27

6.1 SOFTWARE START IN OFFLINE MODE. .....................................................................................................................28

6.2 SOFTWARE START IN BIT TUNE + PROCESSOR MODE.........................................................................................28

6.2.1 CONNECTION STATUS MENU...........................................................................................................................30

6.2.2 SESSION NOTE MENU ........................................................................................................................................30

6.2.3 “FILE” MAIN MENU..............................................................................................................................................31

6.2.4 “TOOLS” MAIN MENU.........................................................................................................................................33

1. Oscilloscope......................................................................................................................................................33

2. Real time analyzer ...........................................................................................................................................35

3. Generator...........................................................................................................................................................37

4. Player..................................................................................................................................................................38

5. Polarity check ...................................................................................................................................................39

6. Battery Scope ...................................................................................................................................................40

7. Target curve ......................................................................................................................................................41

8. Source check ....................................................................................................................................................43

9. Create report .....................................................................................................................................................45

6.2.5 “SETTINGS” MAIN MENU...................................................................................................................................46

1. My calibration ...................................................................................................................................................46

2. Connect to .........................................................................................................................................................46

3. Disconnect to....................................................................................................................................................46

4. Company info....................................................................................................................................................47

5. Language...........................................................................................................................................................47

6.2.6 PROCESSOR AUTO SETUP MENU ...................................................................................................................47

6.2.7 SESSION TOOLS MENU......................................................................................................................................48

6.3 SOFTWARE START IN BIT TUNE MODE.....................................................................................................................48

USER’S MANUAL / bit Tune

7. USING BIT TUNE WITH THE HELP OF A PC .....................................................................................................................49

7.1 SOURCE CHECK ..............................................................................................................................................................49

7.2 AUTOMATIC CALIBRATION OF THE HSM MICROPHONE......................................................................................52

7.3 PHASE DETECTION OF SPEAKERS: POLARITY CHECK..........................................................................................54

7.3.1 ELECTRICAL PHASE DETECTION OF SPEAKERS IN A SYSTEM WITH AUDISON bit

PROCESSOR..........................................................................................................................................................55

7.3.2 ELECTRICAL PHASE DETECTION OF SPEAKERS IN AN AUDIO SYSTEM................................................57

7.4 CALIBRATION OF THE SYSTEM’S SENSITIVITY LEVEL .........................................................................................58

7.4.1 SETTING THE SENSITIVITY LEVEL OF AMPLIFIERS WITH Audison bit PROCESSOR................................58

7.4.2 CHECKING THE SIGNAL LEVELS IN AUDIO SYSTEMS: LEVEL CHECK.....................................................61

7.5 CALIBRATION OF THE SENSITIVITY LEVEL OF A SYSTEM WITHOUT Audison bit PROCESSOR .................63

7.6 AUTOMATIC CALIBRATION OF THE PROCESSOR: AUTO EQ + AUTO TIME ALIGNMENT...............................65

7.7 AUTOMATIC CALCULATION OF TIME DELAYS: AUTO TIME ALIGNMENT .........................................................69

7.8 RTA MEASUREMENT......................................................................................................................................................72

7.8.1 RTA OF AN AUDIO SYSTEM WITH Audison bit PROCESSOR......................................................................72

7.8.2 RTA: CALIBRATION OF AN AUDIO SYSTEM WITHOUT AUDISON BIT PROCESSOR..............................75

7.9 BATTERY SCOPE.............................................................................................................................................................77

7.10 MEASUREMENTS WITH AN OSCILLOSCOPE ...........................................................................................................79

7.10.1 MEASUREMENTS ON A POWER AMPLIFIER................................................................................................79

8. USING BIT TUNE WITHOUT A PC........................................................................................................................................82

8.1 LOAD SIMULATOR SPEAKER IN ..................................................................................................................................82

8.2 SPEAKER IN SIMULATOR..............................................................................................................................................84

8.3 LINE ANALYZER ..............................................................................................................................................................85

8.3.1 ANALOG LINE PRE ...............................................................................................................................................85

8.3.2 HI-LEVEL ANALOG LINE .....................................................................................................................................86

8.3.3 OPTICAL S/PDIF DIGITAL LINE .........................................................................................................................87

8.4 ELECTROMAGNETIC NOISE ANALYZER ....................................................................................................................88

9. TROUBLESHOOTING..............................................................................................................................................................89

9.1 SYNC WITH THE PC .......................................................................................................................................................89

9.2 DEVICE NOT RECOGNIZED DURING INSTALLATION..............................................................................................89

9.3 REPLACEMENT OF BNC INPUT FUSE........................................................................................................................90

9.4 BIT TUNE and BIT TUNE + Processor MODE FIRMWARE UPGRADE ..................................................................91

9.5 “RESCUE MODE” FIRMWARE UPGRADE....................................................................................................................93

9.6 “RESCUE MODE UPGRADE MODE ON” FIRMWARE UPGRADE.............................................................................94

9.7 REPLACEMENT OF THE INTERNAL POWER SUPPLY FUSE..................................................................................98

10. TECHNICAL SPECIFICATIONS.............................................................................................................................................99

USER’S MANUAL / bit Tune /

1. BIT TUNE DESCRIPTION

The bit Tune is a set of electronic tools that improve and simplify audio installations in cars.

The system consists of an audio interface featuring a set of microphones, various connections and a connection to

the PC where the software is the user interface and provides for the management and analysis of the audio system.

The tools are mainly divided into two groups, requiring a connection to the PC: self-calibration of Audison bit

processors, and electrical and acoustic analysis tools.

There is an additional group of tools that do not require a PC and that can help in solving some of the problems that

are often encountered in car audio installations.

The bit Tune, in addition to being a valuable tool to optimally and quickly calibrate the Audison bit signal

processors, is also a very useful set of electronic tools which, in audio applications, replaces several bulky,

expensive and complex traditional instruments that are often not available.

With the bit Tune there is considerable support for increasing audio knowledge, finding solutions to complex issues

and experiment according to your creativity.

AUTOMATIC CALIBRATION OF AUDISON BIT PROCESSORS

The PC software, through the hardware acquisition system connected to the PC via USB, performs the analysis of

the acoustic response of the car’s passenger compartment and it sets, through a Target curve, the optimal acoustic

response and time delays that the installed processor will store in memory.

The Target curve is a goal to be achieved taking into account several factors:

A) Type of vehicle’s passenger compartment.

B) Type of amplification system installed.

C) Response of the speakers.

D) Type of processor installed.

The Target curve can be linear (Flat curve) providing a linear response that can be measured instrumentally by RTA

measurement.

Experience suggests that a degree of coloring of the response confers greater pleasantness to the listening

experience. To that end, two more Target curves (Acoustic, Rhythm) can be chosen according to personal taste.

The Target curve can also be modeled at will (Custom) to allow sound characterization according to personal

listening experience.

In order to listen to the different target curves it is necessary to allow the bit Tune to program the processor using

its available memory. Sound processing is performed by the processor, following the instructions provided by the bit

Tune.

USER’S MANUAL / bit Tune /

Before using the bit Tune, please refer to all instructions contained in the manual. We recommend to closely

follow the instructions. Failure to comply with these instructions could result in unintentional injuries or damage to

equipment or devices connected to it.

WARNING: do not connect the bit Tune probes to the mains voltage. The product is not designed for measuring the

mains voltage (110/220 VAC). Such connection, in addition to damaging the device, it could be very

dangerous to the user!

1. In order to use the measurement tools of the bit Tune, you must install the software on a personal computer

running Windows XP, Windows Vista or Windows 7, with a 1.5 GHz processor or higher, 1 GB of RAM and a

graphics card with minimum resolution of 1024 x 600 pixels.

Note: - The bit Tune PC software might show malfunctioning with some PCs manufactured before 2006 even

with processors running at higher speed than the minimum required. It is recommended to check using

“Windows Update” and make sure that the available updates are installed in the PC.

- Before performing the measurements, check that the Antivirus is not scanning the PC. If you experience

any problems, it is advisable to disable the Antivirus, even if it is not scanning the PC, and close all the other

running programs.

2. Please use only the specific power adapters provided in the package.

3. For use in the car please check that the vehicle’s electrical system has a supply voltage of 12 VDC with negative

to ground. If you are using the network adapter, select the power supply connector suitable for the country of

use (provided in the package).

4. Do not perform any measurement in the engine compartment and in locations exposed to water, excessive

moisture, dust and dirt.

5. Take measurements in places where the temperature does not go below 0 °C (32 °F) and does not exceed 55 °C

(131 °F).

6. Make sure that the positioning of the device does not interfere with the proper functioning of the car’s electrical or

mechanical devices.

7. Make sure you do not short the power cord during the measurement.

8. In order to facilitate the measurement, route the cables the best possible way, using cables supplied with the

product and referring to instructions provided in the USER’S MANUAL.

1.1 PRECAUTIONARY NOTES

USER’S MANUAL / bit Tune /

1.2 PACKAGING CONTENTS

- N.2 Passive Voltage Probe 1X - 10X:

- N. 4 Kit of cables and adapters for measurements:

Red wire

Red

Black

Red

Black wire

White wire

Green wire

Red wire

Red

Black

Red

Black wire

White wire

Green wire

- 12 V plug-in car power cord:

- Power supply adapter, with adapters:

- Warranty

- HSM microphone:

- HSM microphone bracket mount + rubber support:

- LPM microphone fixing strap:

- LPM microphone:

- 3.0 m USB cable:

- BIT TUNE

EMS PC ANALYZER

LINE NOISE

POWER

SIGNAL INPUT

SELECT

RIGHT

VOLUME

MONITOR

47 OHM

SPK SYM

NO LOAD

LEFT

PRE IN BNC SPK INPROBE

MIN • • MAX

LOAD SIMULATOR

SPEAKER IN

- N.1 EMS: ELECTROMAGNETIC SNIFFER

- ABS carrying case:

X 4

- Qulck start guide

- CD ROM, containing:

bit Tune Software

This User Guide (.pdf)

Audio test tracks

- N.1 Ground cable with alligator connector:

- N.2 Fuse:

- N.1 BNC T adapter:

(

)

SETUP CD 2.0

TEST SIGNALS

Track_01.sine sweep (10 min)

Track_02.pink noise (5 min)

Track_03.white noise (5 min)

Track_04.sine wave 100 Hz (2 min)

Track_05.sine wave 1k Hz (2 min)

Track_06.sine wave 10k Hz (2 min)

Track_07.sine wave 50 Hz (2 min

CD ROM

bit Tune software2.0.2

Manuale d’uso rev.2.0

User Manual rev.2.0

USER’S MANUAL / bit Tune /

2. DIMENSIONS

HSM

700 mm / 27.55 in.

2000 mm / 78.74 in.

2.1 BIT TUNE DIMENSIONS

2.2 MICROPHONES - SIZE AND MOUNTING

EMS PC ANALYZER

LINE NOISE

POWER

SIGNAL INPUT

SELECT

RIGHT

VOLUME

MONITOR

47 OHM

SPK SYM

NO LOAD

LEFT

PRE IN BNC SPK INPROBE

MIN • • MAX

LOAD SIMULATOR

SPEAKER IN

EMS PC ANALYZER

LINE NOISE

POWER

SIGNAL INPUT

SELECT

RIGHT

VOLUME

MONITOR

47 OHM

SPK SYM

NO LOAD

LEFT

PRE IN BNC SPK INPROBE

MIN • • MAX

LOAD SIMULATOR

SPEAKER IN

EMS PC ANALYZER

LINE NOISE

POWER

SIGNAL INPUT

SELECT

RIGHT

VOLUME

MONITOR

47 OHM

SPK SYM

NO LOAD

LEFT

PRE IN BNC SPK INPROBE

MIN • • MAX

LOAD SIMULATOR

SPEAKER IN

232 mm / 9.13 in.

150 mm / 6 in.

108,6 mm / 4.3 in.

36 mm / 1.5 in.

51 mm / 2 in.

LPM

HSM

55 mm / 2.16 in.

42 mm / 1.6 in. 14,5 mm / 0.57 in.

165 mm / 6.5 in.

USER’S MANUAL / bit Tune /

3. DESCRIPTION OF CONNECTION PANELS

1. LPM Level Polarity Mic: LPM Microphone input. (see sect. 3.5).

2. HSM Hearing Simulation Mic: Microphone input for HSM multi-microphone. (see sect. 3.4).

3. Check MIC: Indicator of microphone sockets activation during measurement.

4. PRE OUT L-R: Low-level analog signal output.

5. OPTICAL OUT: S/PDIF digital optical output STEREO 192 kHz/24bit MAX.

6. SPEAKER OUT R + - L + -: High-level outputs that can be activated to test the ART function of amplifiers,

processors.

7. USB OUT: USB (A) connection socket, to connect an Audison processor (bit One, bit Ten, bit Ten D) to the bit

Tune and manage the calibration functions. The connection standard is USB 1.1 / 2.0 compatible.

8. USB IN: USB (B) connection socket, to connect the processor to a PC and manage functions via the bit Tune

PC software. The connection standard is USB 1.1 / 2.0 compatible.

9. DC 12V: Jack for external power supply. Please use the power adapters supplied with the product.

10. POWER ON/OFF: Button for turning the product on and off. The blue POWER LED indicates that the product is

switched on (see sect. 4.1.3).

3.1 FRONT PANEL

WARNING: Observe the polarity and supply voltage (12 V DC) provided on the product’s screen print label. An

incorrect connection may damage the bit Tune (see sect. 9.4).

1 2 4 5 6 7 8 9 10

USER’S MANUAL / bit Tune /

1. EMS COIL PICK-UP: Input for inductive probe (see sect. 8.4).

2. OPTICAL IN: Optical S/PDIF Digital input stereo 192 kHz/24bit MAX.

3. PRE IN L R: Measurement input with RCA connectors. Input sensitivity 70 V RMS max. (see sect. 6.2.4.1, sect. 6.2.4.8).

These jacks are used for measuring pre-amplified signals.

4. BNC PROBE L R: Measurement input with BNC connectors. Input sensitivity 70 V RMS max (see sect. 6.2.4.1.

sect. 6.2.4.8) and 700 V RMS activating the attenuator on probe X10. The BNC PROBE L R inputs are internally

protected by a T0.5A micro-fuse (see section 9.3) To connect to these inputs, use Probes provided inside the

product’s packaging:

5. SPEAKER IN L - R: Measurement input with 4 mm banana sockets.

Input Sensitivity max 700 V RMS (see sect. 6.2.4.1, sect. 6.2.4.8). Use these jacks for level and power measurements.

The package includes terminated cables with 4 mm banana plugs with different types of termination:

6. SPEAKER LOAD SIMULATOR-SELECTOR: Button for the selection of the simulated load on a OEM source.

Through the SPEAKER LOAD SIMULATOR LEDs (see sect. 3.3.12-13) you can check the need of the source to have

a load (speaker) in order to operate (see sect. 8.1).

a. 2 pairs; 4 mm Banana / 2 mm Banana

Red wire

Red

Black

Red

Black wire

White wire

Green wire

Red wire

Red

Black

Red

Black wire

White wire

Green wire

b. 2 pairs, 4 mm Banana / Alligator

Red wire

Red

Black

Red

Black wire

White wire

Green wire

Red wire

Red

Black

Red

Black wire

White wire

Green wire

d. 1 pair; 4 mm Banana / Measuring probe

Red wire

Red

Black

Red

Black wire

White wire

Green wire

Red wire

Red

Black

Red

Black wire

White wire

Green wire

c. 2 pairs; 4 mm Banana / Spade connector

Red wire

Red

Black

Red

Black wire

White wire

Green wire

Red wire

Red

Black

Red

Black wire

White wire

Green wire

WARNING! Do not use these jacks to:

1. Measure the outputs of bridge tied

  ampliers(btl).

2. Measure mains voltage (110 - 240 V) and

devices connected directly to the mains.

100 mm / 39.4 in.

70 mm / 27 in.

100 mm / 39.4 in.

3.2 REAR PANEL

1 2 4 5 63

USER’S MANUAL / bit Tune /

1. POWER: The blue LED indicates that the bit Tune is powered on.

2. EMS - LINE NOISE - PC ANALYZER: Switch for selecting measurement settings.

3. PROBE: The yellow LED indicates that the EMS socket is activated (see sect. 8.4).

4. PRE IN PC ANALYZER LED: Green LED, indicates the PRE IN input selection for measurements performed

through the bit Tune PC software (see sect. 7).

5. PRE IN LINE NOISE LED: Yellow LED, indicates the PRE IN input selection for the measurement of noise

through the internal speaker monitor of the bit Tune.

6. SIGNAL INPUT SELECT:

Switch for the selection of PRE IN, BNC, SPK IN measurement inputs of the bit Tune.

7. BNC PC ANALYZER LED: Green LED, indicates the PRE IN input selection for measurements performed

through the bit Tune PC software.

8. SPK IN PC ANALYZER LED: Green LED, indicates the SPK IN input selection for measurements performed

through the bit Tune PC software.

9. SPK IN LINE NOISE LED: Yellow LED, indicates the SPK IN input selection for measurements performed

through the bit Tune PC software

10. VOLUME: Volume control of the internal speaker monitor of the bit Tune.

11. Ch LEFT Ch RIGHT: Switch for selecting the SPK IN Left or Right input in line noise analyzer mode.

12-13-14. LOAD SIMULATOR SPEAKER IN: Through the SPEAKER IN LOAD SIMULATOR-SELECTOR button

(see sect. 3.2.6) it is possible to verify, through the switching of the LEDs, if the source requires a load for operating

properly

(see sect. 8.1).

NO LOAD: Green LED. No load.

47 OHM: Yellow LED. Requires a 47 Ohm - 5 W resistance.

SPK IN: Orange LED. Requires an inductive load.

15. SPEAKER MONITOR: Internal speaker for monitoring audio signal inputs to the bit Tune.

3.3 CONTROL PANEL

EMS PC ANALYZER

LINE NOISE

POWER

SIGNAL INPUT

SELECT

RIGHT

VOLUME

MONITOR

47 OHM

SPK SYM

NO LOAD

LEFT

PRE IN BNC SPK INPROBE

MIN • • MAX

LOAD SIMULATOR

SPEAKER IN

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