How it Works
Tascam
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70D
User Manual
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Table of contents
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Tascam 70D, DR-70D User Manual

DR-70D
Linear PCM Recorder for DSLR
Reference Manual
D01244120B
Contents
1 – Introduction ..............................................4
Precautions for use ...................................................... 5
2 – Names and Functions of Parts .................6
Menu item list .....................................................................10
Using menus ....................................................................... 11
Basic operation .................................................................. 11
3 – Preparation ..............................................12
Powering the unit .............................................................12
Power sources .............................................................12
Using AA batteries .................................................... 12
Using an AC adapter (sold separately) ................ 12
Using an external battery pack
(sold separately) ..........................................................12
Using USB bus power................................................13
Turning the unit on and off
(putting it in standby) .....................................................13
Turning the unit on ....................................................13
Turning the unit off (putting it in standby) .......13
Resume function ........................................................ 13
Setting the date and time .............................................. 14
Inserting and removing SD cards ................................14
Inserting a card ........................................................... 14
Removing a card .........................................................14
SD card write protection switches ....................... 15
Preparing an SD card for use ........................................15
Connecting monitoring equipment ..........................15
Monitoring...........................................................................15
Selecting the monitored signal ............................15
Setting the output gain ...........................................16
Adjusting the playback volume ...................................16
Camera connection and attachment ........................16
Setting the inputs .............................................................17
Recording with the built-in stereo mic ...............17
Connecting microphones ....................................... 17
Recording an external device (LINE IN) .............. 17
Using the top panel accessory shoe ..........................17
4 – Recording ................................................18
Recording formats ............................................................18
Setting where to save files .............................................18
Setting the channels to record.....................................18
Adjusting the input balance .........................................18
Adjusting the input level ................................................19
Setting the recording input source ............................20
Using plug-in power .................................................20
Setting the input gain .....................................................20
Using phantom power .............................................21
Setting the phantom power voltage .................. 21
Using the limiter ................................................................22
Using the low-cut filter ...................................................22
Compensating for mic distances .................................23
Setting the phase of each channel .............................23
This shows the file type, format and sampling
frequency used for recordings. ....................................23
Recording (MONO/STEREO/2MIX) ..............................24
Starting recording ...................................................... 24
File names when recording in MONO ................24
File names when recording in STEREO/2MIX ...24
Creating a new file without interrupting
recording (track incrementing) ....................................24
Manual track incrementation
during recording ........................................................24
Automatic track incrementation during
recording .......................................................................24
Simultaneously recording two files at different
input levels (DUAL REC) ..................................................25
Enabling dual recording ..........................................25
Starting dual recording ............................................25
Dual recording file names ....................................... 25
Using the auto tone function .......................................26
Setting the auto tone function .............................26
Set the volume of auto and slate tones .............26
Recording slate tones ......................................................26
Moving to slate tone positions ..............................26
Using mid-side microphones .......................................27
Recording duration ..........................................................28
5 – Working with Files and Folders
(BROWSE screen) ...........................................29
BROWSE screen navigation ...........................................29
Icons on the BROWSE screen ........................................29
File operations ...................................................................29
Folder operations ..............................................................30
Creating a new folder ......................................................30
6 – Playback ...................................................31
Playing recordings ............................................................ 31
Pausing...........................................................................31
Stopping ........................................................................31
Searching backward and forward ........................31
Selecting files for playback (skipping) .......................31
Playing files created with dual recording .................31
TASCAM DR-70D
2
7 – Connecting with a Computer .................32
Transferring files to a computer ..................................32
Transferring files from a computer .............................32
Disconnecting from a computer .................................32
8 – Settings and Information .......................33
Viewing information ........................................................ 33
File information page (PROJECT) ..........................33
Card information page (CARD) ..............................33
System information page ........................................33
System Settings .................................................................34
Setting the automatic power saving function
Setting the backlight ................................................34
Adjusting the display contrast...............................34
Restoring the factory settings ...............................34
Formatting an SD card .............................................34
Setting the battery type .................................................34
Setting the file name format ........................................35
File name format ........................................................35
Setting the WORD item ............................................35
Initializing the count .................................................35
..34
Contents
9 – Using the REMOTE jack ...........................36
Using a footswitch (TASCAM RC-3F)...........................36
Making footswitch settings ....................................36
Footswitch uses ..........................................................36
Using a remote control (TASCAM RC-10) ..................36
Making remote control settings ...........................36
Remote control uses .................................................36
10 – Messages ...............................................37
11 – Troubleshooting ....................................38
12 – Specifications ........................................39
Ratings ..................................................................................39
Input/output ratings ........................................................39
Analog audio input and output ratings ............. 39
Control input/output ratings ................................. 39
Audio performance ..........................................................39
Requirements for connected computers .................40
General .................................................................................40
Dimensional drawings ....................................................41
TASCAM DR-70D
3

1 – Introduction

Features

This recorder includes audio inputs and outputs that are suitable for use with digital single-lens reflex (DSLR) cameras, enabling the recording of high-quality audio with DSLR video.
•
Compact audio recorder that uses SD/SDHC/SDXC cards as recording media
•
TASCAM original High Definition Discrete Architecture (HDDA) microphone preamps provide high-quality recording inputs
•
In addition to ordinary stereo recording, simultaneous recording of up to four channels is possible
•
Four channels can be mixed down to two for stereo output
•
Recording levels can be adjusted independently for the 1/L, 2/R 3/L and 4/R channels
•
Dual recording function allows two files to be recorded simultaneously at different levels
•
44.1/48/96 kHz, 16/24-bit, linear PCM (WAV format) recording possible
•
Broadcast Wave Format (BWF) supported as WAV recording format
•
XLR mic/line inputs can provide phantom power (24V/48V) and TRS mic/line inputs (exclusive use) support +24dBU input when set to LINE
•
Stereo mini jack input supports mics that require plug-in power, allowing the input of video mics and other high-output mics (+10dBV maximum input level)
•
Slate tone functions (automatic/manual) simplify synchronization of video files when editing
•
CAMERA OUT connector allows the high-quality audio from this unit to be output to a DSLR camera for recording
•
CAMERA IN connector enables convenient monitoring of audio from a DSLR camera
•
Mid-side decoding function can be used with MS mics
•
Track incrementing function allows a recording to be split by creating a new file when desired
•
Limiter function automatically reduces parts where the input level is too high to suitable levels
•
Low cut filter conveniently reduces low-frequency noise
•
Delay function that eliminates time lags caused by differences in the distances of two sets of inputs from the sound source
•
Tone search function enables moving between tone insertion points
•
File name format can be set to use a user-defined word or the date
•
Resume function to memorize the playback position before the unit is turned off (enter standby)
•
3.5mm (1/8”) line/headphones output jack
•
128x64 dot-matrix LCD with backlight
•
Micro-B USB 2.0 port
•
Operates on 4 AA batteries, an AC adapter (TASCAM PS-P515U sold separately), external battery pack (TASCAM BP-6AA sold separately) or USB bus power
•
Tripod mounting thread (bottom) and DSLR screw attachment that allows attachment and removal with a coin (top)
•
Dedicated remote control jack (for use with RC-10 and RC-3F (sold separately)
•
Hold function to prevent accidental operation
•
Guards on the front left and right sides protect the screen
This product has a Blackfin® 16/32-bit embedded processor made by Analog Devices, Inc. This processor controls the unit's digital signal processing.
Inclusion of this Blackfin® processor in the product increases its performance and reduces its power consumption.

Conventions used in this manual

The following conventions are used in this manual.
•
When we refer to buttons, connectors and other parts of this unit, we use a bold font like this: MENU button.
•
When we show messages, for example, that appears on the unit’s display, the typeface looks like this:
•
SD, SDHC and SDXC memory cards are called “SD cards”.
•
Information shown on the computer display is written like this “OK”.
•
As necessary, additional information is provided under TIP, NOTE and CAUTION headings.
TIP
These are tips about how to use the unit.
NOTE
These provide additional explanations and describe special cases.
CAUTION
Failure to follow these instructions could result in injury, damage to equipment or lost recording data, for example.
Information and various data about products provided in this manual are provided merely as examples. They do not provide a guaranty against violations of third-party intellectual property rights or other rights related to them. Therefore, please be aware that our company will bear no liability for violations of third-party intellectual property rights or responsibility for liability that results from the use of these products.
Third-party copyrighted materials cannot be used without permission of the rights holder in accor­dance with copyright law for uses other than personal enjoyment, for example. Please use the equipment appropriately.
Our company will bear absolutely no liability related to user activity that infringes on property rights.
INPUT
.
TASCAM DR-70D
4

About SD cards

This unit uses SD cards for recording and playback. You can use 64MB–2GB SD cards, 4GB–32GB SDHC cards and
48GB–128GB SDXC cards with this unit. A list of SD cards that have been confirmed for use with this unit
can be found on the TEAC Global Site (http://teac-global.com/). Please check this site or contact TASCAM customer support.

Precautions for use

SD cards are delicate media. In order to avoid damaging a card or the card slot, please take the following precautions when handling them.
•
Do not leave them in extremely hot or cold places.
•
Do not leave them in extremely humid places.
•
Do not let them get wet.
•
Do not put things on top of them or twist them.
•
Do not hit them.
•
Do not remove or insert a card during recording, playback, data transmission or other access.
•
When carrying a card, please put it inside a card case, for example.
1 – Introduction
TASCAM DR-70D
5

2 – Names and Functions of Parts

Front panel

1 Built-in stereo microphone
Omnidirectional stereo electret condenser microphone.
2 Front cover
This is the cover for the battery case and SD card slot.
3 Battery compartment
Install batteries (4 AA) in this compartment to power the unit. (See “Using AA batteries” on page 12.)
4 SD card slot
Insert an SD card here.

Rear panel

7 MENU button
When the Home Screen is open, press this button to open the
MENU
screen.
When a setting screen is open, press to move up one level in the menu. When the the Home Screen.
MENU
screen is open, press to return to
8 1/L knob and PEAK indicator
Use this knob to adjust the input level from the 1/L connector on the left side of the unit.
The 1/L PEAK indicator lights when the 1/L input level is about to cause distortion. This also lights if distortion occurs in the analog circuitry during mic input. This will not light, however, if distortion occurs in the analog circuitry during line input. (See “Adjusting the input level” on page 19.)
9 2/R knob and PEAK indicator
Use this knob to adjust the input level from the 2/R connector on the left side of the unit.
The 2/R PEAK indicator lights when the 2/R input level is about to cause distortion. This also lights if distortion occurs in the analog circuitry during mic input. This will not light, however, if distortion occurs in the analog circuitry during line input. (See “Adjusting the input level” on page 19.)
0 1/8 button
Press this button during playback to cause the playback to pause at the current position. Press this button when paused to return to the beginning of the playback file.
Press this button during recording to stop recording. When the BASIC screen or INPUT screen is open, use this to
select the channel to which the setting items shown apply. When a setting screen is open, press this button to return
to the Home Screen. Use this button to answer “NO” to a confirmation message.
q 2/7 button
When the Home Screen is open and playback is stopped, press this button to start playback.
When a file or folder is selected in the press this button to return to the Home Screen and play that file or the first file in the folder from the beginning.
When the BASIC screen or INPUT screen is open, use this to select the channel to which the setting items shown apply.
BROWSE
screen,
5 Display
Shows a variety of information.
6 DATA dial (ENTER)
Turn to select items and change values on setting screens. Use also to change the playback position in a file.
Push this dial to confirm selections on setting screens and to answer “YES” to confirmation pop-up messages.
Turn the DATA dial while the Home Screen is open to move between the positions of slate tones that have been inserted in the file. If no slate tone has been inserted in the file, doing this will move to the next file.
Press and hold this dial when stopped to switch the signal monitored.
TASCAM DR-70D
6
w DUAL indicator
This lights orange when in dual recording mode.
e REC indicator
This lights red when recording.
r Record (0) button
Press when stopped to start recording. Press when recording to stop recording.
t 3/L knob and PEAK indicator
Use this knob to adjust the input level from the 3/L connector on the left side of the unit.
The 3/L PEAK indicator lights when the input level is about to cause distortion. This also lights if distortion occurs in the analog circuitry during mic input. This will not light, however, if distortion occurs in the analog circuitry during line input. (See “Adjusting the input level” on page 19.)
y 4/R knob and PEAK indicator
Use this knob to adjust the input level from the 4/R connector on the right side of the unit.
The 4/R PEAK indicator lights when the input level is about to cause distortion. This also lights if distortion occurs in the analog circuitry during mic input. This will not light,
2 – Names and Functions of Parts
however, if distortion occurs in the analog circuitry during line input. (See “Adjusting the input level” on page 19.)
u 3// button
Press this button during playback or when playback is stopped to skip to the beginning of the next track.
Press and hold this button to search forward. When the BASIC screen or INPUT screen is open, use this to
select the channel to which the setting items shown apply. On the setting screens, use this button to move the cursor
right. On the
BROWSE
a level. If a file is selected, the file is loaded and the Home Screen reopens.
screen, press this button to move down
i 4/. button
During playback or when stopped in the middle of a file, press to return to the beginning of the file.
If you press this button when a track is stopped at its beginning, the unit will skip to the beginning of the previous track.
Press and hold this button to search backwards. When the BASIC screen or INPUT screen is open, use this to
select the channel to which the setting items shown apply. On the setting screens, use this button to move the cursor
left. On the
BROWSE
level.
screen, press this button to move up a
XLR (1: GND, 2: HOT, 3: COLD) TRS (Tip: HOT, Ring: COLD, Sleeve: GND)
d 3/L connector (XLR/TRS)
This is a balanced analog XLR/TRS combo jack for micro­phone and line level inputs.
XLR (1: GND, 2: HOT, 3: COLD) TRS (Tip: HOT, Ring: COLD, Sleeve: GND)
CAUTION
•
Confirm that phantom power is OFF before connecting a line level device to the 1/L, 2/R, 3/L or 4/R connector. If you connect a line level device while phantom power is being supplied, that device and this unit could be damaged.
•
Before connecting a condenser mic to or disconnecting one from the 1/L, 2/R, 3/L or 4/R connector, confirm that the phantom power for that jack is OFF. If you connect or disconnect a mic while phantom power is being supplied, that mic and this unit could be damaged.
•
Do not connect an unbalanced dynamic mic to an XLR connector when phantom power is being supplied. Doing so could damage that mic and this unit.

Right side panel

o SLATE button
Press and hold this button during recording to record a slate tone. (See “Recording slate tones” on page 26.)

Left side panel

NOTE
When connecting and using plugs from external devices, do not apply excessive force to the plugs. In particular, be careful not to apply too much force when using a standard to mini plug adapter. Doing so could damage the equipment.
p HOLD/ switch
Slide this switch (toward the arrow) and hold it down to turn the unit on/off.
Set it in the up position to activate the hold function. All buttons are inoperative when hold is ON.
a 1/L connector (XLR/TRS)
This is a balanced analog XLR/TRS combo jack for micro­phone and line level inputs.
XLR (1: GND, 2: HOT, 3: COLD) TRS (Tip: HOT, Ring: COLD, Sleeve: GND)
s 2/R connector (XLR/TRS)
This is a balanced analog XLR/TRS combo jack for micro­phone and line level inputs.
NOTE
When connecting and using plugs from external devices, do not apply excessive force to the plugs. In particular, be careful not to apply too much force when using a standard to mini plug adapter. Doing so could damage the equipment.
f 4/R connector (XLR/TRS)
This is a balanced analog XLR/TRS combo jack for micro­phone and line level inputs.
XLR (1: GND, 2: HOT, 3: COLD) TRS (Tip: HOT, Ring: COLD, Sleeve: GND)
g Micro USB port
Use the included USB cable to connect with a computer USB port. (See “7 – Connecting with a Computer” on page 32.)
Power can be supplied through the USB cable provided with the unit or an AC adapter (TASCAM PS-P515U sold separately).
CAUTION
The unit should be connected directly to the computer, not through a USB hub.
h EXT IN 1/2 connector (3.5mm stereo mini jack)
This supports stereo mini jack input from a mic or external device.
This jack can provide plug-in power. TRS (Tip: HOT, Ring: COLD, Sleeve: GND)
TASCAM DR-70D
7
2 – Names and Functions of Parts
j REMOTE connector (2.5mm TRS jack)
Connect a TASCAM RC-3F footswitch or TASCAM RC-10 wired remote control (both sold separately) here to enable remote starting and stopping of playback and other functions. A remote control can be used to start, stop and otherwise operate the unit. (See “9 – Using the REMOTE jack” on page
36.)
k IN connector (3.5mm stereo mini jack)
Connect to the audio output of a camera. Refer to the camera’s operation manual to identify this
connector on the camera. (See “Camera connection and attachment” on page 16.)
l OUT/LINE OUT jack (3.5mm stereo mini jack)
Use a stereo mini jack cable to connect this to the external input jack of a camera or line input jack of other equipment.
Use the
SETTING
jack. Refer to the camera’s operation manual to identify this
connector on the camera. (See “Camera connection and attachment” on page 16.)
; PHONES jack (3.5mm stereo mini jack)
Connect stereo headphones to this stereo mini jack. Use the PHONES control to adjust the volume.
OUTPUT LEVEL
screen to adjust the volume output from this
item on the
MONITOR
v Accessory shoe
You can use the accessory shoe by removing the included DSLR attachment bracket

Bottom Panel

z PHONES volume control
Use to adjust the volume output from the PHONES jack.
CAUTION
Before connecting headphones, lower the PHONES volume to the minimum level. Failure to do so could result in a sudden loud noise that could harm hearing, for example.

Top panel

x DSLR camera attachment bracket
Use a DSLR mounting screw with this bracket, which is prein­stalled on the unit.
If you do not want to use this bracket, use a coin or other tool to remove the four attachment screws.
b Tripod mounting thread (1/4-inch)
Use to attach this unit to a tripod.
CAUTION
•
Tighten the unit securely to the tripod or microphone stand to prevent it from falling off.
•
When using this unit attached to a tripod or microphone stand, place the tripod or stand on a level surface.
•
Some tripods have different screw specifications that make direct connection impossible. Use a commercially-available adapter with such tripods.
n Video camera pin hole
When using a tripod with a pin for video cameras, align this hole with the pin when attaching the unit to the tripod.
c DSLR mounting screw (1/4-inch)
Use to attach this unit to the bottom of a camera or a rack that supports camera mounting screws, for example.
TASCAM DR-70D
8
2 – Names and Functions of Parts

Home Screen

1 Recorder operation status
This icon shows the recorder operation status.
Indicator Meaning
8
9
7
,
m
/
.
2 Elapsed time
This shows the elapsed time (hours: minutes: seconds) of the current file.
Stopped
Paused
Playing back
Searching forward
Searching backward
Skipping to the beginning of the next track Skipping to the beginning of the current or
previous track
8 Project name
This shows the name of the project playing back. A project is a group of files used for recording/playback.
9 Remaining time
This shows the elapsed time (hours: minutes: seconds) of the current file.
When stopped, this shows the remaining recording time of the SD card (hours: minutes: seconds).
0 HOLD/ switch status
This shows the status of the HOLD/ switch.
: HOLD switch off : HOLD switch on
q Peak value in decibels (dB)
The maximum level that occurs in a fixed period of time is displayed in decibels.

Recording Screen

3 Monitoring mode
This shows what audio is now being monitored.
Indicator Meaning
MIX
CAM
CH1-4 mix sound or dual recording mode main file
IN jack sound input
4 Auto tone function status
This icon shows whether the auto tone function is on or off. (See “Using the auto tone function” on page 26.)
No icon: Auto tone off
: Auto tone on
5 Power supply status
A battery icon appears when power is supplied by batteries. The battery icon shows the amount of power remaining with
10 levels ( e e ). When the icon has no bars, the batteries are almost dead
and the unit will soon turn off (enter standby). When using a TASCAM PS-P515U AC adapter (sold
separately) or USB bus power, appears.
NOTE
Sometimes a “Battery Low” warning appears when recording or conducting other demanding operations even before the battery power has been depleted.
6 Level meters
These show the levels of the input and playback signals.
7 Recording status
These show the recording on/off status of each channel. (See “Setting the channels to record” on page 18.)
: Recording off : Recording on
1 Recorder operation status
This icon shows the recorder operation status.
Indicator Meaning
0
Recording
2 Elapsed recording time
The elapsed recording time of the file appears as hours: minutes: seconds.
3 Monitoring mode
This shows what audio is now being monitored.
Indicator Meaning
MIX
CAM
CH1-4 mix sound or dual recording mode main file
IN jack sound input
4 Auto tone function status
This icon shows whether the auto tone function is on or off. (See “Using the auto tone function” on page 26.)
No icon: Auto tone off
: Auto tone on
5 Level meters
These show the input signal levels. A b mark is shown at the −16dB position on the scale as a
guide for input level adjustment.
6 Phantom power status
This shows the phantom power on/off setting. (See “Using phantom power” on page 21.)
No icon: Phantom power off
: Phantom power on
TASCAM DR-70D
9
2 – Names and Functions of Parts
7 Recording status
These show the recording on/off status of each channel. (See “Setting the channels to record” on page 18.)
: Recording off : Recording on
8 Project name
This shows the name of the project for the recorded files.
9 Remaining recording time
The remaining recording time on the SD card is shown in hours: minutes: seconds according to the recording mode, sampling frequency and recording format settings.
0 Low cut filter on/off status
This shows whether the low cut filter is on or off. (See “Using the low-cut filter” on page 22.)
This icon is shown as light letters on a dark background if the low-cut filter is set to 40Hz, 80Hz, 120Hz, 180Hz or 220Hz for channel 1, 2, 3 or 4.
: Low cut filter off
: Low cut filter on
q Limiter function status
This shows the limiter function setting. (See “Using the limiter” on page 22.)
This icon is shown as light letters on a dark background if the limiter function setting is set to MONO or LINK for channel 1, 2, 3 or 4.
: limiter off : Limiter on
w HOLD/ switch status
This shows the status of the HOLD/ switch.
: HOLD switch off : HOLD switch on
e Peak value in decibels (dB)
Peak input level values are shown in decibels.

Menu item list

Press the MENU button to open the This list provides an overview of the various menu items.
Menu item Function Page
BASIC Make recording settings
MONITOR
INPUT Make input settings
RECORD
SLATE Make slate tone settings
MIC Make mic settings
BROWSE
OTHERS Show submenu items
The
OTHERS
the
MENU
screen. The submenu items are as follows.
Submenu item Function Page
SYSTEM
BATTERY Set the type of batteries see page 34
INFORMATION
FILE NAME Make file name settings see page 35
DATE/TIME
REMOTE
Make monitoring output settings
Make recording format settings
Work with SD card files and folders
submenu appears when
Make system settings for the unit
View information about files, the SD card and the system
Make date and time settings Make settings for the TASCAM RC-3F footswitch and TASCAM RC-10 wired remote control (both sold separately)
MENU
OTHERS
screen.
see page 18 see page 18 see page 19 see page 20 see page 20
see page 16 see page 15
see page 20 see page 22 see page 22 see page 23 see page 23
see page 23 see page 25
see page 26 see page 26
see page 21 see page 27
see page 30
is selected in
see page 34
see page 33
see page 14
see page 36 see page 36
TASCAM DR-70D
10
CAUTION
The
MENU
screen will not appear when recording.
2 – Names and Functions of Parts

Using menus

We explain how to change recording settings in this example.
1. Press the MENU button to open the
2. Turn the DATA dial to select (highlighted as light text on a dark background) a menu item, and press the DATA dial or 3// button to open the setting screen.
RECORD
3. Turn the DATA dial to select (highlight) a menu item to be set.
selected
MENU
screen.

Basic operation

Use the following buttons to operate the various screens.
8
MENU button
Opens the
8
When a setting screen is open, press the 1/8 button to return to the Home Screen.
Use this to answer “NO” to confirmation pop-up messages.
8
Turn the DATA dial to select items and change values on setting screens. You can also turn the DATA dial to change the file playback position.
Push the DATA dial to confirm selections on setting screens and to answer “YES” to confirmation pop-up messages.
8
Use this to move the cursor (highlighted area) to the right on the screen, and to move down a level on the
8
Use this to move the cursor (highlighted area) to the left on the screen, and to move up a level on the
MENU
screen.
1/8 button
DATA dial
3// button
4/. button
BROWSE
BROWSE
screen.
screen.
FILE TYPE
4. Press the DATA dial or 3// button to move the cursor to highlight the value of the setting.
5. Turn the DATA dial to change the setting.
6. Press the DATA dial or 4/. button to set a different item in the same menu.
This enables you to select a new item. Turn the DATA dial again to select an item to be set.
7. Repeat steps 3 to 6 as necessary to set each item.
8. Press the MENU button to return to the
OTHERS
Press the 1/8 button to return to the Home Screen.
screen).
selected
MENU
screen (or
NOTE
When the MENU button again to return to the Home Screen.
BASIC
or
INPUT
screen is open, press the
TASCAM DR-70D
11

3 – Preparation

Powering the unit

Power sources

This unit can be powered by four AA batteries, a TASCAM PS-P515U AC adapter (sold separately) or the included USB cable (USB bus power).
This unit can use alkaline dry cell or Ni-MH AA batteries.

Using AA batteries

Open the front cover and battery compartment cover. Install 4 AA batteries in the compartment with the ¥ and ^ marks as shown. Then, close the battery compartment cover and front cover.
When using AA batteries, set the type of battery in order to accurately show the amount of power remaining and allow the unit to accurately determine whether power is available for proper operation. (See “Setting the battery type” on page 34.)
CAUTION
•
This unit cannot use manganese dry cell AA batteries.
•
This unit cannot recharge Ni-MH AA batteries. Use a commercially available recharger.
NOTE
A great amount of power is required to provide phantom power to a condenser microphone. If you use a condenser microphone while running the unit on AA batteries (NiMH rechargeable or alkaline dry cell), the operation time will be shortened.
If you need to operate the unit for a long time, use a TASCAM PS-P515U AC adapter or TASCAM BP-6AA external battery box (both sold separately) to power the unit.

Using an AC adapter (sold separately)

Connect the USB cable to the TASCAM PS-P515U AC adapter and the unit's USB port as shown in the illustration.
AC outlet
TASCAM PS-P515U (sold separately)
Connect the included USB cable
microB USB plug
NOTE
When both batteries are installed and the AC adapter is connected, power will be supplied from the AC adapter.
CAUTION
•
Never use any adapter other than the designated TASCAM PS-P515U AC adapter. Use of a different adapter could cause malfunction, fire or electric shock.
•
Noise may occur when recording with a microphone if the unit is too close to the AC adapter. In such a case, keep suffi­cient distance between the AC adapter and the unit.

Using an external battery pack (sold separately)

Connect a TASCAM BP-6AA external battery pack (designed for use with this unit and sold separately) to the recorder with the included USB cable as shown in the illustration. For details, see the BP-6AA Owner’s Manual.
TASCAM BP-6AA (sold separately)
Connect the included USB cable
microB USB plug
TASCAM DR-70D
12
CAUTION
This unit cannot detect the remaining battery charge of a BP-6AA. If you use a BP-6AA to operate this unit without batteries in the unit itself, it might stop operating suddenly if the battery pack runs out of power.
In order to avoid problems, put batteries with sufficient charge into this unit before connecting and using a BP-6AA.
3 – Preparation

Using USB bus power

Connect the unit to a computer using the included USB cable as shown in the illustration.
Computer
Connect the included USB cable
microB USB plug
The
USB SELECT
by USB and when the unit is turned on if the USB cable is already connected. On this screen, choose between USB bus power supply or USB connection with the computer.
Turn the DATA dial to select dial to start power supply through the USB port and return to the Home Screen.
NOTE
Power is supplied from the USB port even if the connected unit contains batteries (USB bus power prioritized).
screen appears when the unit is connected
BUS POWER
and press the DATA

Turning the unit on and off (putting it in standby)

CAUTION
•
The unit enters standby mode if turned off when the unit is operating on power from a TASCAM PS-P515U AC adapter (sold separately) or a computer USB bus.
•
Turn down the volume of any monitoring system connected to the unit before turning the unit on or off (standby).
•
Do not wear connected headphones when turning the unit on or off. Noise could damage the speakers or harm your hearing.

Turning the unit on

To start the unit when off (in standby), slide the HOLD/ switch toward until appears on the display.
The Home Screen appears after the unit starts up.
Start-up Screen Home Screen
CAUTION
When the unit is started up for the first time (or when the built-in clock is reset after being left unused without batteries), the Start-up Screen so you can adjust the date and time. (See “Setting the date and time” on page 14.)
TASCAM DR-70D
DATE/TIME
screen appears before the
(Start-up Screen)
CAUTION
•
Depending on the USB bus power specifications of the computer, this unit might not function when connected to a computer by USB cable. In this case, use a TASCAM PS-P515U AC adapter (sold separately) or batteries.
•
This unit does not support computer power conservation and sleep functions. When powering the unit using the USB bus power of a computer, always turn such functions off.

Turning the unit off (putting it in standby)

When on, slide the HOLD/ switch toward until
LINEAR PCM RECORDER
The unit turns off (enters standby) after it completes its shutdown process.
appears on the display.
CAUTION
Always use the button to turn the unit off (put it in standby).
Do not remove the batteries, disconnect the power cable when using a TASCAM PS-P515U AC adapter (sold separately) or disconnect the USB cable if using USB bus power while the unit is operating. If you do so, recording data and settings, for example, will all be lost. Lost data and settings cannot be restored.

Resume function

This unit has a resume function. When turned on, the unit locates to the position (time) where it was when turned off previously.
After turning the unit on, press the 2/7 button to resume playback from the file position (time) from when the
unit was shut down (put into standby).
NOTE
The required data for this function is stored in the SD card. The resume function will not work if the card is changed or formatted.
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