1. 서론
This manual provides detailed instructions for the setup, operation, and maintenance of your TASCAM DR-70D Portable Audio Recorder and TASCAM TH-02-B Studio Headphones. Please read this manual thoroughly before using the products to ensure correct and safe operation.

Figure 1.1: TASCAM DR-70D Portable Audio Recorder and TH-02-B Studio Headphones.
2. 제품 오버view
2.1 TASCAM DR-70D Portable Audio Recorder
The TASCAM DR-70D is a compact 4-channel audio recorder designed for filmmakers, television producers, advertisers, and documentarians. It features four balanced XLR mic inputs with phantom power, built-in omnidirectional microphones, and various recording modes to capture high-quality audio.

그림 2.1: 각진 앞면 view of the TASCAM DR-70D Portable Audio Recorder.
2.2 TASCAM TH-02-B Studio Headphones
The TASCAM TH-02-B headphones are designed for audio monitoring, featuring a closed-back, circumaural design for maximum isolation. They provide a clean sound with rich bass response and crisp highs, suitable for monitoring recordings.

Figure 2.2: TASCAM TH-02-B Studio Headphones.
3. 설정
3.1 언박싱 및 패키지 구성품
모든 품목을 포장에서 조심스럽게 꺼내세요. 다음 구성품이 있는지 확인하세요.
- TASCAM DR-70D Portable Audio Recorder
- TASCAM TH-02-B Studio Headphones
- 사용 설명서(이 문서)
- Other accessories (e.g., USB cable, 1/8" to 1/4" adapter for headphones)
3.2 Inserting SD Card
The DR-70D records to SD, SDHC, or SDXC media cards (up to 128GB). Locate the SD card slot on the device, insert the card with the contacts facing down until it clicks into place.
3.3 장치 전원 공급
The DR-70D can be powered by 4 AA batteries, a USB power adapter, or an optional AC adapter (PS-P515U). Insert batteries into the battery compartment, ensuring correct polarity. Connect a USB cable to a power source for external power.
3.4 Connecting Microphones and Headphones
Connect your microphones to the XLR/TRS inputs (1-4) on the DR-70D. For 3.5mm stereo microphones, use the EXT IN 1/2 jack. Connect the TH-02-B headphones to the PHONES output jack for monitoring.

그림 3.1: 측면 view of the DR-70D showing input and output ports.

Figure 3.2: Detail of the 3.5mm stereo mini jack input on the DR-70D.
3.5 Mounting the DR-70D
The DR-70D can be mounted above or below a camera using its integrated mounting points. It also features tripod threads on the bottom for mounting on tripods or follow-focus cages.

그림 3.3: 상단 view of the DR-70D showing the mounting bracket.

Figure 3.4: The DR-70D mounted on a camera, demonstrating its compact design.
4. Operating the DR-70D
4.1 기본 제어 및 인터페이스
The DR-70D features dedicated controls for quick adjustments. The front panel includes individual gain knobs for each input, peak indicators, a menu navigation system (MENU, DATA, ENTER), and transport controls (PLAY, REC, STOP).

Figure 4.1: Front panel of the DR-70D, showing the display and control knobs.
4.2개의 내장 마이크
The DR-70D includes two built-in omnidirectional microphones for capturing ambient sound or quick stereo recordings without external mics.

Figure 4.2: The DR-70D highlighting its two built-in omnidirectional microphones.
4.3 녹음 모드
The DR-70D offers multiple recording modes to suit various production needs:
- Mono/Dual Mono: Ideal for recording a single performer, with the option to record a safety track at a lower level.
- Stereo/Dual Stereo: Best for recording with the built-in microphones or an external stereo microphone, also with a safety track option.
- 2MIX/Dual 2MIX: 스테레오 효과를 생성합니다. file두 개 이상의 혼합 입력에서 나오는 신호를 녹음합니다. 듀얼 레코딩 기능은 왜곡을 방지하기 위해 최대 12dB 낮은 레벨의 백업 트랙을 생성합니다.

Figure 4.3: DR-70D configured for Mono/Dual Mono recording, mounted on a camera.

Figure 4.4: DR-70D configured for 2MIX/Dual 2MIX recording, utilizing external microphones.
4.4 입력 레벨 조정
Adjust input levels using the individual gain knobs for each channel. Monitor the peak indicators to prevent clipping. The DR-70D also includes a limiter and low-cut filter to optimize audio quality.
4.5 Built-in Mixer
The DR-70D features a built-in mixer with four inputs and two outputs. This allows for individual recording and stereo mixing, with per-input features like pan, limiter, low-cut filter, delay, and mid-side decoding.

Figure 4.5: The DR-70D's screen interface showing mixer settings and audio levels.
4.6 슬레이트 톤 생성기
The built-in slate tone generator produces reference tones for audio/video alignment. These can be added automatically at the start and/or end of recording, or manually by holding the SLATE button.

Figure 4.6: The SLATE button on the DR-70D's control panel.
4.7 Monitoring and Playback
Connect your TH-02-B headphones to the PHONES jack for direct audio monitoring. The DR-70D also features a camera input jack for monitoring playback from your camera and a camera output jack for routing a stereo mix to the camera for easy synchronization during editing.

Figure 4.7: The camera input jack on the DR-70D.

Figure 4.8: The camera output jack on the DR-70D.
5. Operating the TH-02-B Headphones
5.1 헤드폰 착용하기
Adjust the headband for a comfortable and secure fit. The circumaural earcups should fully enclose your ears to maximize isolation and sound quality.
5.2 장치에 연결하기
Plug the 3.5mm stereo mini-jack into the PHONES output of the DR-70D or any compatible audio device. Use the included 1/8" to 1/4" adapter for devices with a 6.3mm headphone jack.
5.3 볼륨 조절
Adjust the headphone volume using the dedicated PHONES level control on the DR-70D or the volume control of your connected audio device.
6. 유지관리
6.1 청소
Wipe the DR-70D and TH-02-B headphones with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly. Do not use abrasive cleaners, solvents, or alcohol, as these can damage the surfaces.
6.2 배터리 관리
Remove batteries from the DR-70D if the unit will not be used for an extended period to prevent leakage. Use high-quality alkaline or NiMH rechargeable batteries for optimal performance.
6.3 SD Card Handling
Always format new SD cards in the DR-70D before first use. Avoid removing the SD card during recording or playback to prevent data corruption. Store SD cards in a protective case when not in use.
7. 문제 해결
7.1 전원 없음
- 배터리가 올바르게 삽입되었는지, 그리고 충전량이 충분한지 확인하십시오.
- Ensure the USB power source is connected and functional.
- 전원 스위치가 켜짐 위치에 있는지 확인하십시오.
7.2 오디오 입력/출력 없음
- 입력: Check microphone connections, ensure phantom power is enabled if required, and verify input gain levels are not set to minimum.
- 산출: Ensure headphones are properly connected and the PHONES level is adjusted. Check if the correct output source is selected in the menu.
7.3 Distorted Recordings
- Reduce input gain levels to prevent clipping (peak indicators should not consistently light red).
- Engage the limiter function in the DR-70D settings.
- Utilize the Dual Recording mode to capture a safety track at a lower level.
7.4 Recording Errors
- SD 카드에 충분한 여유 공간이 있는지 확인하십시오.
- SD 카드를 포맷해 보세요(이렇게 하면 모든 데이터가 삭제됩니다).
- Use a high-speed SD card (Class 10 or higher recommended).
8. 사양
8.1 TASCAM DR-70D Portable Audio Recorder
| 특징 | 사양 |
|---|---|
| 하드웨어 인터페이스 | 시큐어 디지털 카드 |
| 마이크 폼 팩터 | 내장형 |
| 체재 | 웨이브 |
| 디지털 녹음 시간 | 120 hours (approximate, depending on card size and settings) |
| 마이크 작동 모드 | 스테레오 재생 |
| 헤드폰 잭 | 3.5 밀리미터 |
| 입력 | 4 x XLR/TRS combo, 1 x 3.5mm stereo mini-jack |
| 팬텀 파워 | 24V/48V selectable |
| 사전amp 얻다 | Up to 64dB (HDDA Mic Preamps) |

그림 8.1: 앞면과 뒷면 views of the TASCAM DR-70D.
8.2 TASCAM TH-02-B Studio Headphones
| 특징 | 사양 |
|---|---|
| 설계 | Closed-back, Dynamic |
| 이어컵 | 귀 주위 |
| 연결성 | Wired (3.5mm stereo mini-jack with 1/4" adapter) |
| 접이식 디자인 | 예 |
9. 지원 정보
For technical support, warranty information, or service inquiries, please refer to the official TASCAM website or contact TASCAM customer service directly. Keep your purchase receipt as proof of purchase for warranty claims.