Overview

Inserting the batteries

Operating range of the remote control unit

High quality sound

High performance

Part names and functions

Remote control unit

Connections

Speaker installation

Connecting speakers

Before connecting speakers

Connecting speakers to the speaker terminals

Connecting an external power amplifier

Speaker configuration and “Amp Assign” settings

Connecting 5.1-channel speakers

Connecting 7.1-channel speakers

Connecting 5.1-channel speakers: Bi-amp connection of front speakers

Connecting 5.1-channel speakers: Second pair of front speakers

Connecting multi-zone speakers

Connecting a TV

Connection 1 : TV equipped with an HDMI connector and compatible with the ARC / eARC

Connection 2 : TV equipped with an HDMI connector and incompatible with the ARC / eARC

Connecting a playback device

Connecting a set-top box (Satellite tuner/cable TV)

Connecting a media player

Connecting a Blu-ray Disc player or DVD player

Connecting a game console or player device compatible with 8K

Connecting a turntable

Connecting a USB memory device to the USB port

Connecting FM/AM antennas

Connecting to a home network (LAN)

Connecting an external control device

REMOTE CONTROL jacks

FLASHER IN jack

Connecting the power cord

Playback

Basic operation

Turning the power on

Selecting the input source

Adjusting the volume

Turning off the sound temporarily (Muting)

Playback a Blu-ray Disc player/DVD player

Playing a USB memory device

Playing files stored on USB memory devices

Listening to music on a Bluetooth device

Playing music from Bluetooth device

Pairing with other Bluetooth devices

Reconnecting to this unit from a Bluetooth device

Listening to audio on Bluetooth headphones

Listening to audio on Bluetooth headphones

Reconnecting to a Bluetooth headphones

Disconnecting Bluetooth headphones

Listening to FM/AM broadcasts

Listening to FM/AM broadcasts

Tuning in by entering the frequency (Direct Tune)

Changing the tune mode (Tune Mode)

Tuning in to stations and presetting them automatically (Auto Preset Memory)

Presetting the current broadcast station (Preset Memory)

Listening to preset stations

Specify a name for the preset broadcast station (Preset Name)

Skipping preset broadcast stations (Preset Skip)

Cancelling Preset Skip

Listening to Internet Radio

Listening to Internet Radio

Playing back files stored on a PC or NAS

Playing back files stored on a PC or NAS

Getting the HEOS App

Playing from streaming music services

Listening to the same music in multiple rooms

AirPlay function

Playing songs from your iPhone, iPod touch or iPad

Playing iTunes music with this unit

Play a song from your iPhone, iPod touch or iPad on multiple synced devices (AirPlay 2)

Spotify Connect function

Playing Spotify music with this unit

Convenience functions

Adding to HEOS Favorites

Playing back HEOS Favorites

Deleting a HEOS Favorites

Adjusting the audibility of dialog and vocals (Dialog Enhancer)

Adjusting the volume of each channel to match the input source (Channel Level Adjust)

Adjusting the tone (Tone)

Adjusting audio delay (Audio Delay)

Displaying your desired video during audio playback (Video Select)

Playing the same music in all zones (All Zone Stereo)

Changing the speaker settings to match the listening environment (Speaker Preset)

Selecting a sound mode

Selecting a sound mode

Direct playback

Pure Direct playback

Auto surround playback

Description of sound mode types

Sound mode that can be selected for each input signal

HDMI Control function

Setting procedure

Sleep timer function

Using the sleep timer

Smart select function

Calling up the settings

Changing the settings

Panel lock function

Disabling all key button operations

Disabling all button operations except VOLUME

Canceling the Panel lock function

Remote lock function

Disabling the sensor function of the remote control unit

Enabling the remote sensor function

Web control function

Controlling the unit from a web control

Playback in ZONE2 (Another room)

Connecting ZONE2

Playback the source in ZONE2

Adjusting the Volume in ZONE2

Settings

Menu operations

Subwoofer Level Adjust

Surround Parameter

Output Settings

On-Screen Display

4K/8K Signal Format

Audyssey® Setup

Procedure for speaker settings (Audyssey® Setup)

Retrieving Audyssey® Setup settings

Front/Center/Surround/Surround Back

View Terminal Config.

Subwoofer Output

Low Pass Filter

Network Control

Spotify Connect

Wi-Fi and Bluetooth

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Bluetooth Transmitter

Setting the back light of the remote control unit

Disabling the backlight

Specifying the zone used with the remote control unit

Tips

Troubleshooting

Power does not turn on / Power is turned off

Operations cannot be performed through the remote control unit

Display on this unit shows nothing

No sound comes out

Desired sound does not come out

Sound is interrupted or noise occurs

No video is shown on the TV

The menu screen is not displayed on the TV

The color of the menu screen and operations content displayed on the television is different from normal

AirPlay cannot be played back

USB memory devices cannot be played back

Bluetooth cannot be played back

The Internet radio cannot be played back

Music files on PC or NAS cannot be played back

Various online services cannot be played

The HDMI Control function does not work

Cannot connect to a wireless LAN network

Update error messages

Resetting factory settings

Resetting network settings

Factory Restore

Connecting the power cord

After completing all the connections, insert the power plug into the power outlet.

Conne AC C70sU