Manual do Usuário do Gravador de Áudio Portátil de 4 Canais TASCAM DR-70D

1. Introdução

The TASCAM DR-70D is a compact, high-quality 4-channel audio recorder designed for videographers and filmmakers. It integrates seamlessly with DSLR cameras, providing professional audio recording capabilities with multiple input options and flexible control.

Image 1.1: The TASCAM DR-70D 4-Channel Audio Recorder, designed for DSLR cameras.

This manual provides detailed instructions for setting up, operating, and maintaining your DR-70D recorder to ensure optimal performance and longevity.

2. Principais características

• Four XLR/TRS Combo Inputs: Equipped with high-quality HDDA mic preamps, offering 64dB of gain and phantom power (24V/48V) for professional microphones.
• Two Internal Omnidirectional Microphones: Built-in stereo microphones for capturing ambient sound or quick recordings without external mics.
• Vários modos de gravação: Supports MONO/DUAL MONO, STEREO/DUAL STEREO, and 2MIX/DUAL 2MIX for versatile recording scenarios.
• Dual Recording Function: Records a safety track at a lower level to prevent clipping and distortion.
• Design compacto e robusto: Designed to mount between a tripod and camera, or on top via a hot shoe mount (with optional adapter). Features durable construction.
• Built-in Mixer: Allows individual recording of each input for post-production, while sending a stereo mix to headphones and the camera.
• Slate Tone Generator: Provides reference slate tones for easy audio/video synchronization.
• Camera Input/Output: Dedicated jacks for monitoring camera audio and sending a stereo mix to the camera for simplified editing.
• Gravação em cartão SD: Records to SD, SDHC, or SDXC cards up to 128GB.

Imagem 2.1: Terminadoview of the TASCAM DR-70D's inputs, outputs, and controls.

3. Configuração

3.1. Instalação da bateria

1. Certifique-se de que a unidade está desligada.
2. Localize o compartimento da bateria na parte inferior da unidade.
3. Abra a tampa do compartimento.
4. Insert four (4) AA batteries, observing the correct polarity (+/-) as indicated inside the compartment.
5. Feche bem a tampa do compartimento da bateria.

Note: The DR-70D can also be powered via a USB power adapter (sold separately) or a dedicated AC adapter (sold separately).

3.2. Instalação do cartão SD

1. Certifique-se de que a unidade está desligada.
2. Locate the SD card slot on the side of the unit.
3. Insert an SD, SDHC, or SDXC card (up to 128GB) into the slot until it clicks into place.
4. To remove, push the card gently until it ejects, then pull it out.

Note: It is recommended to format the SD card using the DR-70D's menu system before first use and periodically thereafter.

3.3. Mounting the DR-70D

The DR-70D offers versatile mounting options for integration with camera rigs:

• Between Camera and Tripod: The unit features tripod threads on the bottom and a camera mounting plate on top, allowing it to be placed directly between your camera and tripod.
• On Camera Hot Shoe: An optional AK-DR70C adapter (sold separately) can be used to mount the DR-70D onto a camera's hot shoe.
• On Follow-Focus Cages: The tripod threads also allow mounting on various camera cages.

Image 3.1: The DR-70D's compact and tough design allows for various mounting configurations.

4. Instruções de operação

4.1. Ligar/desligar

• Para ligar, pressione e segure o botão liga/desliga até que o visor ilumine.
• To power off, press and hold the power button until the unit shuts down.

4.2. Connecting Microphones and Line Sources

The DR-70D features four combo XLR/TRS inputs (1-4) and a 3.5mm stereo mini-jack input (EXT IN 1/2).

• XLR/TRS Inputs (1-4): Connect professional microphones or line-level devices using XLR or 1/4-inch TRS cables. Activate phantom power (24V or 48V) via the menu for condenser microphones.
• 3.5mm Stereo Mini-Jack Input (EXT IN 1/2): Connect consumer-level microphones or line-level devices. This input supports plug-in power.

Image 4.1: The 3.5mm stereo mini jack input for connecting external microphones or line sources.

4.3. Setting Recording Levels

• Use the individual gain knobs for each input (1-4) to adjust the input level.
• Monitor the level meters on the display to ensure signals are strong but do not peak into the red, which indicates clipping.
• The built-in limiter can be activated via the menu to prevent sudden loud sounds from distorting the recording.
• High-Pass Filter (HPF) can be applied to reduce unwanted low-frequency noise.

4.4. Modos de gravação

The DR-70D offers several recording modes to suit different production needs:

• MONO/DUAL MONO: Ideal for recording a single performer or sound source, with an option to record a safety track.
• STEREO/DUAL STEREO: Best for recording with the built-in microphones or an external stereo microphone setup, with an option for a safety track.
• 2MIX/DUAL 2MIX: Creates stereo files from two or more mixed inputs. Dual Recording creates a backup track at up to 12dB lower levels to prevent distortion.

Image 4.2: Illustration of MONO/DUAL MONO recording mode.

Image 4.3: Illustration of STEREO/DUAL STEREO recording mode.

Image 4.4: Illustration of 2MIX/DUAL 2MIX recording mode.

4.5. Monitoramento de áudio

• Connect headphones to the 3.5mm PHONES jack for real-time audio monitoring.
• The DR-70D's built-in mixer allows you to monitor the individual inputs or the stereo mix.
• Use the CAMERA IN jack to monitor audio from your camera, allowing you to evaluate the camera's audio signal alongside the DR-70D's output.

4.6. Using the Slate Tone Generator

The slate tone generator helps synchronize audio and video files in post-production.

• Pressione o ARDÓSIA button to generate a reference tone.
• Slate tones can be added automatically at the start and/or end of a recording, or manually at any time.

Image 4.5: The SLATE button for generating reference tones.

4.7. Integração de Câmeras

• Entrada da câmera: Connect your camera's audio output to the DR-70D's IN-O jack to monitor camera audio.
• Saída da câmera: Send a stereo mix from the DR-70D to your camera's audio input via the SAÍDA DE LINHA jack. This simplifies synchronization in editing software.

Image 4.6: The camera input jack for monitoring camera audio.

Image 4.7: The camera output jack for sending audio to your camera.

5. Manutenção

• Limpeza: Use um pano macio e seco para limpar a parte externa da unidade. Evite produtos de limpeza abrasivos ou solventes.
• Armazenar: Store the DR-70D in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
• Atualizações de firmware: Confira o Tascam webO site é atualizado periodicamente para obter atualizações de firmware, garantindo o desempenho ideal e o acesso a novos recursos.

6. Solução De Problemas

7. Especificações

8. Garantia e Suporte

Para informações sobre garantia e suporte técnico, consulte o site oficial da Tascam. website or contact your local Tascam distributor. Keep your proof of purchase for warranty claims.

Tascam oficial Website: www.tascam.com