G+M Elektronik GM-1525-B

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GM-1525-B

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GM-1525-B

Internet radio with FM, RDS, DAB, DAB

/ USB and AUX Input / RS232 / Bluetooth

Control via UNDOK App for Android and iOS

Front plate

Rear plate

Supplements:

1× FM Throw antenna 1× 2.4G Antenna

1× Audio wire (Cinch-Cinch) 1× Remote Controller

2× AC Power Cord (EU / CH)

External Resources:

To operate unit, following external resources are needed:

• A power source (AC 230 V mains supply)

• A wired (Ethernet) or wireless (Wi-Fi) network (provided through a router) with appropriate permissions and password

if necessary (for Internet radio and Network Music player modes)

• Broadband Internet access for Internet radio mode

• A music library stored on the network or on a USB mass storage device

• An external audio source (for Aux in mode)

Connectors:

• Ethernet RJ45

• FM Antenna

• USB in

• AUX in

• Line out

• Headphones out

• RS232

Features:

• Internet Radio with access to over 20'000 stations, «Listen again» broadcasts and podcasts

• Music player allowing easy navigation and playback through a USB or network-stored library of music ﬁles including

AAC / AAC+, MP3, WMA, WAV

• «Play To» feature allowing media to be pushed from a PC running Windows 7 to the unit operating in Digital Media

Renderer (DMR) mode

• DAB / DAB+ digital radio with a wide choice of channels and digital quality sound broadcast

• FM with RDS (Radio Data System)

• AUX in for external music sources such as MP3 players

• Large 2.7 inch display for easy control and clear information display, with up to six lines of text plus status icons

• Infrared remote control

• Clock with auto-update capability and dual independent alarms

• Sleep / snooze

• Multiple network proﬁles for easy setup

Main Page

Need help?

Do you have a question about the G+M Elektronik GM-1525-B and is the answer not in the manual?

The GM-1525-B is a versatile internet radio designed for comprehensive audio entertainment, offering a wide array of connectivity and playback options. It integrates various radio standards, digital music playback, and external audio input, all controllable via a user-friendly interface or a dedicated mobile application.

Function Description:

The GM-1525-B serves as a central hub for audio, capable of receiving Internet Radio, DAB/DAB+ digital radio, and FM radio with RDS. It also functions as a music player, allowing playback from USB mass storage devices or network-stored music libraries. Bluetooth connectivity enables wireless streaming from compatible devices. For enhanced control, the unit supports the UNDOK App for Android and iOS, providing remote operation and navigation. An RS232 port offers integration into custom control systems.

Important Technical Specifications:

Radio Tuners: Internet Radio (access to over 20,000 stations, "Listen again" broadcasts, and podcasts), DAB/DAB+ digital radio, FM radio with RDS (Radio Data System).
Music Playback: Supports AAC/AAC+, MP3, WMA, WAV file formats from USB or network-stored libraries.
Connectivity:
- Wired Network: Ethernet RJ45 for stable internet connection.
- Wireless Network: Wi-Fi (requires a router with appropriate permissions and password).
- USB: USB input for mass storage devices.
- Bluetooth: For wireless audio streaming.
- Analog Audio Input: AUX in for external music sources (e.g., MP3 players) via a 3.5mm stereo socket.
- Analog Audio Output: Line out (Cinch-Cinch) and Headphones out.
- Control Interface: RS232 for integration with external control systems.
Display: Large 2.7-inch display for easy control and clear information, showing up to six lines of text plus status icons.
Power Supply: AC 230V - 50Hz, 45W.
Included Accessories: 1x FM Throw antenna, 1x Audio wire (Cinch-Cinch), 2x AC Power Cord (EU/CH), 1x 2.4G Antenna, 1x Remote Controller.

Usage Features:

User Interface: Features a front panel with buttons for power, mode selection (Internet Radio, Music player, DAB, FM, AUX in), volume control, preset management, information display, alarm, sleep, and playback controls (play/pause, stop, previous, next, repeat, shuffle). A "CONTROL SELECT" knob allows for scrolling through menus and selecting options.
Remote Control: An infrared remote control provides convenient operation from a distance, mirroring most front panel functions.
UNDOK App Control: Full control of the device, including mode selection, station browsing, and music playback, can be achieved via the UNDOK app on Android and iOS devices.
Setup Wizard: Guides the user through initial configuration of date/time and network settings upon first startup. This wizard can be re-run from the system settings.
Time and Date: Offers automatic time and date synchronization via DAB, FM, or network (Frontier Silicon Internet radio portal). Manual setting is also available. Supports 12/24 hour display and daylight saving adjustments.
Network Configuration: Supports both wired (Ethernet) and wireless (Wi-Fi) connections. Features include WPS (Wi-Fi Protected Setup) for easy connection, manual network selection from a list of SSIDs, and password input. Multiple network profiles can be saved.
Equaliser: Provides preset EQ modes (Classic, Pop, News, My EQ) and a user-defined setting for audio customization, including bass, treble, and loudness.
Media Sharing ("Play To" Feature): Allows streaming music from a Windows 7 PC (Windows Media Player 12) to the unit, enabling the unit to act as a Digital Media Renderer (DMR). This requires the PC and the unit to be on the same network.
Internet Radio: Browse stations by location, genre, popularity, or search. Supports "Last listened" and "Presets" for quick access to favorite stations. Up to 10 presets are available for Internet radio, DAB, and FM.
Music Player (Network and USB):
- UPnP Media Sharing: Plays music from shared media libraries on a PC (Windows Media Player 10 or later) or other UPnP platforms/servers.
- USB Playback: Plays audio files directly from USB mass storage devices.
- Browsing: Navigate through folders, artists, albums, composers, and genres.
- Playlist Management: Create and manage playlists, add tracks or entire folders.
- Playback Modes: Repeat (single track, all, or off) and Shuffle.
DAB/DAB+ Radio: Scans for available stations, displays station name, DLS (Dynamic Label Segment) information, and signal strength. Supports dynamic range compression (DRC) for adjusting audio output. Stations can be sorted alphanumerically, by ensemble, or as valid.
FM Radio: Scans for available stations, displays RDS information (station name, program type, radio text). Allows adjustment of scan settings (strong stations only) and audio settings (mono/stereo).
AUX In Mode: Connects and plays audio from external sources via the 3.5mm stereo input.
Alarms: Dual independent alarms with auto-update capability. Configurable for daily, once, weekdays, or weekends. Alarm source can be buzzer, Internet radio, DAB, or FM. Adjustable volume.
Sleep/Snooze: Sleep timer allows the unit to go into standby after a set time (15, 30, 45, or 60 minutes). Snooze function for alarms.
Information Display: "INFO" button cycles through various information screens about the station or track playing, including artist, track name, station description, signal reliability, codec, sampling rate, and current date/time.
Error/Information Screens: Provides specific messages for a few seconds before automatically changing to another screen.

Maintenance Features:

Software Update: The unit supports software updates, accessible through the system settings menu.
Factory Reset: Resets all user settings to default values, including time/date, network configuration, and presets. This also requires re-registration with the Internet radio portal if internet radio favorites were used.
Prune Servers: Allows removal of network servers that are no longer accessible or relevant from the server list.
Multiple Network Profiles: Facilitates easy setup and switching between different network environments.