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CTP Systems dBbox3 User Manual

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1
dBbox3
the manual
version 4 firmware
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CTP Systems dBbox3 Specifications

General IconGeneral
BrandCTP Systems
ModeldBbox3
CategoryTest Equipment
LanguageEnglish

Summary

Introduction and General Information

dBbox2 to dBbox3 Changes

Highlights hardware advancements from dBbox2 to dBbox3, including power supply and cable tester.

General Information

Details on battery management, USB power, display backlight, and meter scale selection.

Using the Menu System

Menu Navigation Example

Step-by-step guide for input selection and phantom power settings via the menu.

Audio Inputs

Analogue Inputs

Listening, metering, and applying phantom power to analogue signals.

AES/SPDIF Inputs

Handling digital inputs, sample rates, and error analysis.

AES BNC Listen

Selecting audio channels for listening.

AES BNC Errors

Displaying detected errors on the digital signal.

AES/SPDIF Input Details

AES BNC Errors Type

Setting error monitoring mode (loop/sticky).

AES BNC Channel Status

Viewing channel status: sample rate, bits, emphasis, format.

AES BNC Status Word

Displaying the first five bytes of the AES status word.

Audio Outputs

Audio Output Menu Overview

Options include Tone, Int.Mic, Noise Gen., Frame Rate.

AES BNC Tone Types

Available tone types: Steady, GLITS, EBU, Sweep, Left, Right.

Output Tone and Noise Generation

AES BNC Tone Level

Setting output tone level from -60dB to +12dB.

AES BNC Tone Frequency

Setting tone frequency in third octave steps (50Hz-20kHz).

AES BNC Tone OP Listen

Enabling internal speaker for confidence monitoring.

AES BNC Internal Mic

Using the built-in mic for output.

AES BNC Int.Mic Gain

Adjusting internal microphone gain.

AES BNC Int.Mic Limiter

Setting the limiter threshold for the internal mic.

AES BNC Int.Mic Output

Selecting output for the internal microphone.

AES BNC Noise Generator

Generating pink or white noise.

AES BNC Noise Generator Type

Setting noise generator to Pink or White.

AES BNC Noise Generator Level

Setting output level of the noise generator.

Specialized Measurement Features

AES BNC Noise Generator Output

Selecting noise generator output to left, right, or both.

AES BNC Noise Generator OP Listen

Enabling internal speaker for noise generator monitoring.

Phantom Power Measurement

Measuring phantom power on live and neutral pins.

Four Wire Box Operation

Using the device as a four-wire box with internal mic/speaker.

Signal Conversion Inputs

Available inputs for signal conversion: Analogue, AES BNC, AES XLR, SPDIF.

Signal Conversion and MIDI

Signal Conversion Outputs

Available outputs for signal conversion: Analogue, AES BNC, AES XLR, SPDIF.

Signal Conversion Gain

Adjusting gain for analogue or digital inputs.

Signal Conversion Phantom

Controlling phantom power on/off for analogue input.

Signal Conversion Limiter

Switching the limiter on or off.

Signal Conversion Limiter Threshold

Adjusting the limiter threshold.

Signal Conversion EQ (HF)

High frequency equalization adjustment.

Signal Conversion EQ (Mid)

Middle frequency equalization adjustment.

Signal Conversion EQ (Low)

Low frequency equalization adjustment.

MIDI Analyse

Analyzes incoming MIDI data, displaying channel, message, and data.

MIDI Functions

MIDI Analyse Format

Selecting MIDI data display in hexadecimal or decimal.

MIDI Analyse Clear

Clears the MIDI analysis screen.

MIDI Analyse Oneshot

Analyzes a single MIDI message, ignoring subsequent ones.

MIDI Notes Transmission

Settings for transmitting MIDI notes: channel, number, velocity, on/off.

MIDI Notes Clear RX

Clears MIDI RX display data.

Advanced Features (More Menu)

Timecode Reader

Reads linear timecode at various frame rates.

Timecode Reader Freeze

Freezes the timecode display.

Timecode Reader Frame Rate

Selects frame rate range for the timecode reader.

Timecode Generator

Generates test linear timecode.

Timecode Generator Start

Starts timecode generation at the displayed time.

Timecode Generator Clear

Resets generated timecode to 00:00:00:00.

Tone Loop and 2W Listen

Timecode Generator Settings

Sets timecode generation time and frame rate.

Tone Loop Input Selection

Selects available inputs for tone loop functionality.

Tone Loop Output Selection

Selects available outputs for tone loop functionality.

Tone Loop Input Gain

Adjusts input gain for tone loop functionality.

Tone Loop Frequency

Adjusts frequency for tone loop functionality.

Tone Loop Output Gain

Adjusts output level for tone loop functionality.

Cable Test and Delay Features

2W Listen Channel Selection

Selects channel for listening to 2-wire input.

2W Listen Gain

Adjusts input level gain for 2-wire listening.

Cable Test

Tests XLR, BNC, and MIDI DIN cables for continuity and phase.

Delay Function Input

Selects input source for the delay function.

Delay Function Output

Selects output destination for the delay function.

Delay Function Time

Sets delay time in mono or stereo modes.

Delay Function Mode

Sets delay to mono or stereo mode.

Delay Function Monitoring

Monitors the delayed signal using volume controls.

Setup and Personalization

Analogue Metering Setup

Selects analogue metering scale (PPM/VU).

AES Metering Setup

Selects AES metering scale (PPM/VU/-18/-20dBFS).

SPDIF Metering Setup

Selects SPDIF metering scale.

Display Contrast Adjustment

Adjusts the display contrast from 0 (lowest) to 9 (highest).

Headphone Output Setup

Sets headphone output to mono or stereo.

PPM Top Scale Selection

Selects PPM top scale (UK, dB, EBU).

Speaker Limiter Control

Switches the speaker limiter on or off.

Personalization and System Features

How to Personalize the dBbox3

Guide to setting up a personalized display message upon startup.

Disable Personalization

Disables the personalization facility.

Start Personalization

Starts the personalization process for custom messages.

System Controls and Connectivity

Exit Personalization

Exits the personalization routine without saving changes.

Save Personalization

Saves the personalized message to be displayed on power-up.

Auto Switch Off Configuration

Sets the automatic power-off timer for energy saving.

LED Torch Function

Toggles the built-in LED torch on and off.

USB Connectivity

Information on USB for power, firmware updates, and drivers.

Technical Specifications

dB Reference Levels

Defines OdBu reference and output impedance for the device.

Input Metering Specifications

Accuracy specifications for input metering at different frequencies.

Output Level Specifications

Accuracy specifications for output levels at different frequencies.

Phantom Power Measurement Tolerance

Specifies the tolerance for phantom power measurement.