AK Jr INSTRUCTION BOOK User Guide
CONTENTS Start _01 Components 02 Names of parts 03 Power supply management 04 Connecting 05 Upgrading the firmware 10 Using the Device _02 Basic operations 11 Listening to the music 11 USB DAC Functionality 14 Using Bluetooth 17 Settings 19 Miscellaneous _03 Safety cautions 21 Problem-solving 22 Copyright 24 Certification 25 Registered trademark 25 Escape clause 25 Specifications 26
User Guide Components Components may be changed without prior notice to improve the performance or quality of the product. AK Jr 2 sheets of protective film Quick Start Guide & Warranty Card Micro USB cable Micro SD Card Slot Cover Protective film: It protects the appearance of the product. Micro USB cable: You can connect the product to the computer and charge it. Quick start guide: It describes the basic method of using the product.
User Guide Names of parts The appearance of the product, printed and engraved information may vary depending on the model. Earphone Previous/ Rewind Play/ Pause Next/ Fast forward Power Micro USB terminal Micro SD card slot Volume Touch LCD Earphone terminal: Connect the earphone and output sound through the earphone. Power: short press- Turns the screen on or off. Long press- Turns the product on and off. Micro USB terminal: Connect to a computer or charge the device.
User Guide Power supply management Turn on/off 1. Long press the [ ] button to turn on the device. 2. When the device is turned on, press and hold the [ ] key to turn it off. This device has an automatic shutdown feature to reduce battery consumption. The device will turn off after a defined period when there is no user input according to the [ - Power settings - Auto power off]. (See page 20.) Turn on/off the screen 1. When the screen is turned off, press the [ ] key to turn it on. 2.
User Guide Charging 1. Turn on the computer. 2. If you use a Micro USB cable to connect the product to the computer, the built-in battery will be charged automatically. If you connect it to the PC for charging, the charging time may vary depending on whether it is turned On or Off. If you use a separate 5V 2A output adapter to charge it, it will take up to 4 hours.
User Guide Connecting to a computer 1. Turn on the product and computer. 2. When you use a Micro USB cable to connect the product and the computer, the connection mode selection window will be displayed on the screen. Charging and playback: You can play back while charging the product. Connect removable disk: It can transmit data while connected to a computer. Using it as USB DAC: You can listen to music from a PC on the device. Connect the computer and the product when all functions are stopped.
User Guide Disconnecting it from the computer 1. Click the icon displayed in the task bar of the computer screen to safely remove it. 2. Click [OK] to confirm that the device has stopped. An icon may be hidden in the task bar depending on the operating system like Windows XP. When you click the hidden icon, it will be displayed. If application programs like Windows Explorer or Windows Media Player are working, you may not be able to safely remove it. Safely remove it after exiting all application programs.
User Guide Make sure that the Micro-USB cable is securely connected. If the computer or product is turned off or the Micro USB cable is removed while the file/folder is being copied or removed, the memory can be seriously damaged. So please use caution. The transmission speed may slow down depending on the computer and OS environment of the user. If you saved the file using a removable disk, re-generate the DB in [ - Re-generate DB]. Delete the files (folders) of the product 1.
User Guide Insert/Remove a micro SD Card 1. When the product is turned off, gently push and insert the micro SD in the micro SD card slot of the product in the direction shown in the figure. 2. If you press it one more time, the card will be removed. Recommended micro SD Cards Brand: SanDisk, Transcend Insert/remove the micro SD card while the product is turned off. When inserting the micro SD card, do not use excessive force. It may cause the failure of the product or damage of the Micro SD card.
User Guide Upgrading the firmware Upgrading the firmware 1. Use a computer connected to the Internet to download the latest firmware file from [Support > download in http://www.astellnkern. com/]. 2. Use the Micro USB to connect the product to the computer. 3. Select the UMS (USB Mass Storage) to which the product is connected and copy the downloaded firmware file to it. 4. After the copying is done normally, remove the USB safely and disconnect the product and the computer. 5.
User Guide Basic operations Using the touch LCD 1. This product has a touch LCD system that allows you to perform operations by touching the screen. Touch the desired icon among those on the screen to launch it. Moving up/down in the list 1. You can move the list by dragging the list screen [up down] / [down up]. Do not use a sharp object or excessive force to avoid damaging the screen. Listening to the music Selecting music 1. Select the search option from the Home Screen to display a list of music.
User Guide Listening to the music 1. Turn the [volume wheel] to adjust the volume. 2. Press [ ] during playback to pause and press [ ] to restart. You can also pause/restart when you press the [ ] key. 3. During playback, press [ / ] to play the previous /next song. You can also play the previous/next music by pressing the [ / ] key. 4. During playback, Long-press [ / ] to rewind/ fast forward. You can also rewind/fast forward by pressing the [ / ] key. 5.
User Guide Music play screen Gapless EQ Play mode Repeat mode External memory Now playing Previous screen Album art Lock Line out Bluetooth connection status Present time Battery Home screen Artist name Title name Sequence of songs Gapless Play mode settings Repeat mode explanation Played time Total playtime of this song Previous song/rewind Next song/fast forward Play/pause Current play list Option Lyrics Music option 1.
User Guide Using USB DAC The USB DAC functions allow the AK Jr to be recognized as a sound card on the computer and the music played on the computer to be heard through the earphone terminal of AK Jr. USB DAC Specifications 1. USB DAC functions can be used in the following operating systems. Windows XP, Vista, 7, 8 (32/64Bit), MAC OS X 10.7.5 and up 2. USB DAC functions support 16Bit 44.1~192kHz and 24Bit 44.1~96kHz. 3. Control the volume with the AK Jr’s volume wheel.
User Guide XP: Control Panel > Sound and Audio Devices > Audio tab > Change the default audio device under 'Sound playback' to [iriver USB DAC]. Vista/7/8: Control Panel > Hardware and Sound > Manage Audio Devices > Right click [iriver USB DAC] and right-click the mouse- to select [Set as default device].
User Guide For high-quality playback, in Windows Vista/7/8, it is recommended to double-click [iriver USB DAC] in the Control Panel > Hardware and Sound > Audio Device Control, and change the Advanced – Basic Mode to ‘24bit, 96000Hz’. Macintosh OS X: System Preferences > Sound > Output tab > Select [iriver USB DAC].
User Guide Only when using the AK Jr with USB DAC for the first time is it necessary to perform this step. No follow-up measure needs to be taken to select the AK Jr for sound output. Using Bluetooth You can use devices supporting Bluetooth to enjoy music wirelessly. Connecting Bluetooth 1. Select [ - Bluetooth settings] in the home screen. 2. Set Bluetooth to [ON] to display a list of available devices. 3. Select the desired device from this list to connect it to the product. 4.
User Guide Deleting Bluetooth 1. Press [ ] in the Bluetooth list to delete it. Bluetooth Support Specifications - Profile: A2DP, HID (The HID profile can be supported only through iriver’s IAA01 model.) - Device performance may be affected during Hi-Fi playback. (48 kHz or lower is recommended) - EQ is not applied. - Bluetooth will not be supported for sound sources with a sampling rate less than 32kHz. Do not turn off the device while connected to Bluetooth.
User Guide Settings Users can set up their own product environment. The structure of the settings menu may vary depending on the version of the firmware. Setup 1. Select [ ] in the home screen. 2. Select the desired item and set it up. 3. Press [ ] to display the previous screen, and press [ ] to display the home screen . Date and time settings Set up the current date and time. Language settings Select a language. Brightness settings Adjust screen brightness settings.
User Guide Bluetooth settings You can use a device supporting Bluetooth to enjoy music wirelessly. (For more details, please see [Bluetooth connection]on page 17.) Re-generation of DB Update the DB. Line Out If you set line out, you can set line out in the volume screen. Locking If you set the volume lock function, you cannot control the volume with the LCD off. System Information You can check the system information of the product and format the product.
User Guide Safety cautions related to the product If the same screen is maintained for an extended period, an afterimage may remain in the screen. Do not insert any metal (coins, hairpins, etc.) objects or flammable debris into the device. Do not place heavy objects on the device. If the product gets wet from rain (water), beverages, medicines, sweat or moisture, do not turn it on. Wipe it with a dry cloth and have it checked at the nearest iriver service center.
User Guide If a defective screen protection film or sticker is attached to the screen, the screen may be dimmed. Do not remove the micro SD card while it is in use. Other Do not use the headphone/earphone or operate the product while operating a bicycle, automobile or motorcycle. It is not only dangerous, but also violates the law in some regions. Do not use the product during physical activity (driving, walking, hiking, etc.). Always use in a safe environment to avoid accidents.
User Guide Problemsolving Please check! 1. The device won't turn on. Check the battery charge status. Use the Micro USB cable for charging and checking the battery. 2. The battery does not charge even when the product is connected to the computer with the Micro-USB cable. Check that the USB cable is connected correctly. 3. An error occurs on the PC when the Micro USB is connected. Check that the USB cable is connected correctly. 4. The volume is changed after formatting.
User Guide 9. The file does not play, or the product is unstable when a certain file is used. The following may occur depending on the files used, their quality and condition. - Playback is unstable or difficult. - The device may not function properly. - The file may sound different from a computer. - There may be a difference in the performance of playback or other functions. - The file may not be compatible with playback specifications. A file conversion or use of a different file is recommended.
User Guide Certification KCC / FCC / CE / TELEC Class B Device (Communication equipment for residential use): This device is EMC equipment (class B) for use primarily in homes. It can be used in all regions. FCCID : QDMPPE11 This device complies with Part 15 of the FCC Rules, Operation is subject to the following two conditions: (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
User Guide Specifications General specifications Product Name AK Jr Model PPE11 Body Color Silver Body Material Aluminum Display 3.1inch WQVGA (240x400) / Touch Screen Supported Audio WAV, FLAC, WMA, MP3, OGG, APE(Normal, High, Fast), Formats AAC, ALAC, AIFF, DFF, DSF Sampling rate FLAC, WAV, ALAC, AIFF: 8kHz ~ 192kHz (8/16/24bits per Sample) DSD : DSD64(1bit 2.8MHz), Stereo (DSD to PCM) Output Level Unbalance 1.