1. ບົດແນະນຳ
The TASCAM DR-70D is a 4-channel portable audio recorder designed for videographers and filmmakers. It provides high-quality multi-track recording capabilities in a compact form factor, suitable for mounting on or below a camera. This manual provides detailed instructions for the setup, operation, and maintenance of your DR-70D unit and the included AK-DR70C accessory kit.

Image 1.1: The TASCAM DR-70D 4-Channel Audio Recorder, designed for DSLR cameras.
2. ຂໍ້ມູນຄວາມປອດໄພ
Please read and understand all safety precautions before using this product. Retain this manual for future reference.
- ແຫຼ່ງພະລັງງານ: Use only the specified power adapter or batteries. Ensure correct battery polarity when inserting.
- ນ້ໍາແລະຄວາມຊຸ່ມ: Do not expose the unit to rain, moisture, or liquids. Avoid using near water sources.
- ການລະບາຍອາກາດ: ຫ້າມປິດຊ່ອງລະບາຍອາກາດ. ຮັບປະກັນການໄຫຼວຽນຂອງອາກາດທີ່ພຽງພໍຢູ່ອ້ອມໜ່ວຍ.
- ຄວາມຮ້ອນ: ຮັກສາເຄື່ອງໃຫ້ຫ່າງຈາກແຫຼ່ງຄວາມຮ້ອນເຊັ່ນ: ລັງສີ, ເຄື່ອງບັນທຶກຄວາມຮ້ອນ, ເຕົາ ຫຼືອຸປະກອນອື່ນໆທີ່ຜະລິດຄວາມຮ້ອນ.
- ທໍາຄວາມສະອາດ: ເຊັດໃຫ້ສະອາດດ້ວຍຜ້າແຫ້ງເທົ່ານັ້ນ. ຢ່າໃຊ້ນໍ້າຢາລ້າງ ຫຼື ນໍ້າຢາສີດ.
- ການບໍລິການ: ຢ່າພະຍາຍາມບໍລິການຜະລິດຕະພັນນີ້ດ້ວຍຕົນເອງ. ອ້າງເຖິງການບໍລິການທັງtoົດໃຫ້ກັບພະນັກງານບໍລິການທີ່ມີຄຸນວຸດທິ.
- ການຖິ້ມຂີ້ເຫຍື້ອ: ຖິ້ມແບັດເຕີລີ່ ແລະ ອົງປະກອບເອເລັກໂຕຼນິກ ຕາມລະບຽບການທ້ອງຖິ່ນ.
3. ເນື້ອໃນຊຸດ
ກວດສອບວ່າລາຍການທັງຫມົດທີ່ລະບຸໄວ້ຂ້າງລຸ່ມນີ້ແມ່ນລວມຢູ່ໃນຊຸດຂອງທ່ານ:
- TASCAM DR-70D 4-Channel Portable Audio Recorder
- TASCAM AK-DR70C Accessory Kit, including:
- Fuzzy Windscreen
- Shock-absorbing Shoe Mount Adapter
- Two 3.5mm Stereo Cables
- ສາຍ USB
- ຄູ່ມືເຈົ້າຂອງ (ເອກະສານສະບັບນີ້)

Image 3.1: The TASCAM AK-DR70C Accessory Kit, including a fuzzy windscreen, two 3.5mm stereo cables, and a shoe mount adapter.
4. ຜະລິດຕະພັນເກີນview
4.1. ແຜງໜ້າຄວບຄຸມ ແລະຈໍສະແດງຜົນ
The front panel of the DR-70D features the main display, input level controls, and recording buttons.

ຮູບພາບ 4.1: ດ້ານຫນ້າ view of the TASCAM DR-70D, showing the LCD screen, input gain knobs, and recording controls.
- ຈໍ LCD: Shows recording levels, time, battery status, and menu options.
- ປຸ່ມເມນູ: Accesses the system settings and recording parameters.
- DATA Knob: Navigates menus and adjusts values. Press to confirm selections.
- Input Gain Knobs (1/L, 2/R, 3/L, 4/R): Adjusts the input level for each of the four channels.
- PEAK Indicators: ຈະສະຫວ່າງຂຶ້ນເມື່ອສັນຍານເຂົ້າສູງເກີນໄປ, ຊີ້ບອກເຖິງການຕັດທີ່ອາດເກີດຂຶ້ນ.
- ປຸ່ມ REC: Starts and stops recording.
- DUAL REC Indicator: Lights up when Dual Recording mode is active.
- SLATE Button: Generates a slate tone for easy audio/video synchronization.
4.2. Side Panels (Inputs/Outputs)
The DR-70D features various input and output ports for versatile connectivity.

ຮູບພາບ 4.2: ຂ້າງ views of the TASCAM DR-70D, illustrating the XLR/TRS inputs on one side and the camera input/output, headphone jack, and remote port on the other.
- XLR/TRS Inputs (1-4): Four balanced inputs with phantom power (24V/48V) for connecting professional microphones.
- EXT IN 1/2: External input for connecting additional devices.
- ພອດໄລຍະໄກ: ສໍາລັບການເຊື່ອມຕໍ່ການຄວບຄຸມໄລຍະໄກທາງເລືອກ.
- IN-●-OUT (Camera Input/Output): 3.5mm stereo mini-jack for connecting to a DSLR camera. The input allows monitoring camera audio, and the output sends the DR-70D's mix to the camera.
- Jack ໂທລະສັບ: 3.5mm stereo headphone output for monitoring audio.
- ສາຍອອກ: Stereo line output for connecting to external mixers or other audio devices.
- ພອດ USB: For data transfer and firmware updates.
4.3. Built-in Microphones
DR-70D ປະກອບມີໄມໂຄຣໂຟນ omnidirectional ສອງຕົວໃນຕົວ ສຳລັບການບັນທຶກສຽງອ້ອມຂ້າງ ຫຼື ການບັນທຶກສຽງສະເຕີລິໂອໄດ້ໄວໂດຍບໍ່ຕ້ອງໃຊ້ໄມໂຄຣໂຟນພາຍນອກ.

Image 4.3: The TASCAM DR-70D mounted on a DSLR camera, with indicators pointing to the built-in omnidirectional microphones (Mic 1 and Mic 2).
4.4. ຕົວເລືອກການຕິດຕັ້ງ
The compact design allows for versatile mounting options, including above or below a camera, or on a tripod.

Image 4.4: The TASCAM DR-70D showcasing its compact and robust design, suitable for various mounting configurations.
- Tripod Threads: Located on the bottom for mounting on tripods or follow-focus cages.
- Hot Shoe Mount: The optional AK-DR70C adapter allows mounting the DR-70D on a camera's hot shoe.
5. ຕັ້ງຄ່າ
5.1. ສ້າງຄວາມເຂັ້ມແຂງໃຫ້ ໜ່ວຍ ງານ
The DR-70D can be powered by AA batteries (x4), a USB power bank, or an optional AC adapter.
- ການຕິດຕັ້ງຫມໍ້ໄຟ: Open the battery compartment on the rear of the unit and insert four AA batteries, observing correct polarity.
- USB Power: Connect a USB power bank to the USB port for extended operation.
5.2. Inserting SD Card
The DR-70D records to SD, SDHC, or SDXC cards (up to 128GB).
- Locate the SD card slot on the side of the unit.
- Insert the SD card until it clicks into place. To remove, push the card in again until it springs out.
5.3. ເຊື່ອມຕໍ່ໄມໂຄຣໂຟນ
Connect your microphones to the XLR/TRS inputs (1-4) or use the built-in microphones.
- For condenser microphones requiring phantom power, enable 24V or 48V phantom power in the menu settings for the respective input channels.
- The 3.5mm stereo mini jack input (EXT IN 1/2) supports standard video camera mics with plug-in power.
5.4. ການຕິດຕັ້ງກ້ອງ
To mount the DR-70D on a DSLR camera:
- Attach the shock-absorbing shoe mount adapter (from AK-DR70C) to the bottom of the DR-70D.
- Slide the adapter into your camera's hot shoe.

Image 5.1: The TASCAM DR-70D mounted on a DSLR camera, demonstrating a typical setup for videography.
5.5. Connecting to DSLR (Input/Output)
Use the provided 3.5mm stereo cables to connect the DR-70D to your DSLR camera.
- Connect the DR-70D's ເສັ້ນອອກ to your camera's audio input for recording the mixed audio directly to your camera.
- Connect your camera's audio output to the DR-70D's IN-●-OUT (Camera Input) to monitor the camera's audio through the DR-70D's headphone jack.

Image 5.2: Close-up of the TASCAM DR-70D's camera input jack, used for monitoring audio from the camera.

Image 5.3: Close-up of the TASCAM DR-70D's camera output jack, used for sending the recorder's audio mix to the camera.
6. ຄໍາແນະນໍາການດໍາເນີນງານ
6.1. ການບັນທຶກພື້ນຖານ
- Power on the DR-70D.
- Connect your microphones and set input levels (see 6.2).
- ກົດ REC button once to enter record-ready mode.
- ກົດ REC ກົດປຸ່ມອີກເທື່ອຫນຶ່ງເພື່ອເລີ່ມຕົ້ນການບັນທຶກ. ຕົວຊີ້ວັດ REC ຈະສະຫວ່າງຂຶ້ນ.
- ເພື່ອຢຸດການບັນທຶກ, ກົດປຸ່ມ REC ປຸ່ມ.
6.2. ການປັບລະດັບການປ້ອນຂໍ້ມູນ
Adjust the input gain for each channel using the dedicated knobs on the front panel. Aim for levels that peak around -6dB to -12dB on the meter to avoid clipping.
- ຖ້າ ສູງສຸດ indicator lights up frequently, reduce the input gain.
- The DR-70D features high-quality HDDA mic preamps with up to 64dB of gain.

Image 6.1: The TASCAM DR-70D features Ultra High Definition Discrete Architecture (HDDA) mic preamps for clear audio capture.
6.3. ຮູບແບບການບັນທຶກ
The DR-70D offers multiple recording modes to suit different scenarios:
- ໂມໂນ/ໂມໂນຄູ່: Ideal for recording a single performer. Dual Mono records a safety track at a lower level.
- ສະເຕີລິໂອ/ສະເຕີລິໂອຄູ່: Best for recording with the built-in microphones or an external stereo mic. Dual Stereo records a safety track.
- 2MIX/DUAL 2MIX: ສ້າງສະເຕີລິໂອ files from two or more mixed inputs. Dual 2MIX creates a backup track at up to 12dB lower levels to prevent distortion.

Image 6.2: Illustration of the DR-70D in MONO/DUAL MONO recording mode, suitable for single-source audio.

Image 6.3: Illustration of the DR-70D in STEREO/DUAL STEREO recording mode, for stereo sound capture.

Image 6.4: Illustration of the DR-70D in 2MIX/DUAL 2MIX recording mode, showing a setup with multiple microphones.
6.4. Using the Built-in Mixer
The DR-70D includes a built-in mixer for its four inputs, allowing for individual recording and stereo mixing. Access mixer functions via the MENU button.

Image 6.5: The TASCAM DR-70D's display showing the built-in mixer interface with four inputs and two outputs.
- ເຂົ້າຈີ່: Adjusts the stereo position of each input.
- ຈຳກັດ: Prevents input signals from exceeding a set level, reducing distortion.
- ການກັ່ນຕອງຕ່ໍາ: Reduces unwanted low-frequency noise (e.g., wind, rumble).
- Mid-Side Decoding: For use with Mid-Side microphone configurations.
6.5. Slate Tone Generator
The slate tone generator produces reference tones to simplify audio/video alignment in post-production.
- ກົດຄ້າງໄວ້ SLATE button to generate a tone manually.
- Slate tones can also be set to generate automatically at the start and/or end of recordings via the menu.

Image 6.6: Close-up of the TASCAM DR-70D's SLATE button, used for generating alignment tones.
6.6. ການຕິດຕາມສຽງ
ເຊື່ອມຕໍ່ຫູຟັງກັບ ໂທລະສັບ jack to monitor your audio during recording and playback. Adjust headphone volume using the dedicated knob.
6.7. ການຫວນຄືນ
Use the transport controls (Play, Stop, Fast Forward, Rewind) on the front panel to review ການບັນທຶກຂອງທ່ານ.
7. ບໍາລຸງຮັກສາ
- ທໍາຄວາມສະອາດ: ເຊັດເຄື່ອງດ້ວຍຜ້າອ່ອນ, ແຫ້ງ. ຢ່າໃຊ້ເຄື່ອງເຮັດຄວາມສະອາດຂັດຫຼືສານລະລາຍ.
- ການເກັບຮັກສາ: Store the DR-70D in a cool, dry place away from direct sunlight and extreme temperatures. Remove batteries if storing for extended periods.
- ການອັບເດດເຟີມແວ: ກວດເບິ່ງ TASCAM website periodically for firmware updates to ensure optimal performance.
8. ການແກ້ໄຂບັນຫາ
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ຫນ່ວຍບໍລິການບໍ່ເປີດ. | Dead batteries; incorrect battery insertion; no power source. | Replace batteries; check battery polarity; connect USB power or AC adapter. |
| ບໍ່ມີສຽງບັນທຶກ. | Microphones not connected; input gain too low; phantom power off for condenser mics; incorrect recording mode. | Check mic connections; increase input gain; enable phantom power; verify recording mode settings. |
| ສຽງບິດເບືອນ. | Input gain too high; limiter off. | Reduce input gain; enable limiter. |
| SD card ຜິດພາດ. | Card not inserted correctly; incompatible card; card full; card corrupted. | Reinsert card; use compatible SD/SDHC/SDXC card; delete files or use new card; format card (will erase data). |
| No headphone output. | Headphone volume too low; headphones not connected; incorrect monitoring source. | Increase headphone volume; check headphone connection; select correct monitoring source in menu. |
9. ຂໍ້ມູນຈໍາເພາະ
| ຄຸນສົມບັດ | ຂໍ້ມູນຈໍາເພາະ |
|---|---|
| ຍີ່ຫໍ້ | Tascam |
| ຕົວແບບ | DR-70D |
| ການໂຕ້ຕອບຮາດແວ | Secure Digital Card |
| ຕົວປະກອບແບບຟອມໄມໂຄຣໂຟນ | Built-In, Lavalier, Shotgun (via inputs) |
| ຮູບແບບສຽງ | WAV |
| Jack ຫູຟັງ | 3.5 ມິນລີແມັດ |
| ເວລາບັນທຶກດິຈິຕອນ | Up to 120 hours (depending on card size and settings) |
| ໂໝດການເຮັດວຽກຂອງໄມໂຄຣໂຟນ | Stereo (built-in mics) |
| ວັດສະດຸປ້ອນ | 4 x XLR/TRS combo, 1 x 3.5mm stereo mini-jack (EXT IN 1/2) |
| ຜົນໄດ້ຮັບ | 1 x 3.5mm stereo mini-jack (LINE OUT), 1 x 3.5mm stereo mini-jack (PHONES) |
| ພະລັງງານ Phantom | ສາມາດເລືອກໄດ້ 24V/48V |
| Storage Media | SD card (64MB to 2GB), SDHC card (4GB to 32GB), SDXC card (48GB to 128GB) |
10. ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
For warranty information and technical support, please refer to the warranty card included with your product or visit the official TASCAM webເວັບໄຊ. ຮັກສາຫຼັກຖານການຊື້ຂອງທ່ານສໍາລັບການຮ້ອງຂໍການຮັບປະກັນ.
- ຊັບພະຍາກອນອອນໄລນ໌: The TASCAM website provides FAQs, driver downloads, and additional support documentation.
- ຕິດຕໍ່ສະຫນັບສະຫນູນ: Contact TASCAM customer service for assistance with product issues or repairs.