The Hertz HMR 10 is a digital media receiver designed for marine environments, featuring a robust and certified pure marine construction. It serves as a central audio control unit for boats, offering various playback options and system adjustments.
Function Description:
The HMR 10 acts as a versatile audio source, supporting FM/AM radio, USB media playback, auxiliary input (AUX In), and Bluetooth audio streaming. It allows users to select different audio sources, adjust volume, and fine-tune audio settings such as bass, treble, balance, and fader. The unit also includes a system menu for configuring various parameters like equalizer presets, loudness, and regional radio frequency settings. Its design emphasizes ease of use in a marine setting, with clear button functions and a display that provides essential information.
Important Technical Specifications:
FM Tuner:
- Frequency Range (USA): 87.9 - 107.9 MHz
- Frequency Range (Europe): 87.5 - 108.0 MHz
- Frequency Range (Asia): 87.5 - 108.0 MHz
- Frequency Range (Australia): 87.5 - 108.0 MHz
AM Tuner:
- Frequency Range (USA): 530 - 1710 KHz
- Frequency Range (Europe): 531 - 1602 KHz
- Frequency Range (Asia): 531 - 1629 KHz
- Frequency Range (Australia): 531 - 1629 KHz
Audio:
- Maximum Power Output: 50 W x 4 (@ 4 Ohm)
- Max Output Level @ 0.1% THD: 4 x 4 V RMS (Front - Rear)
USB:
- USB Port: 2.0 Full Speed
- USB Current: 1 A
- USB Voltage: 5.0 V
- Maximum MP3/WMA Songs: Max Folder 6000, Max File 60000
- USB Flash Drive: Max Capacity 32 Gb
- Compatible Format: FAT/FAT32
Bluetooth:
- Specification: Bluetooth Version 2.1 + EDR
- Supported Profiles: A2DP (Advanced Audio Distribution Profile), AVRCP 1.5 (Audio/Video Remote Control Profile), SSP (Simple Secure Pairing)
General:
- Power Supply Voltage: 12 V DC (10.5 to 16 V allowable)
- Grounding System: Negative Ground
- Speaker Impedance: 4-8 ohms per channel
- IP Protection: IP66
- Over Voltage: Alarm
- Over Temperature: Protection
CEA Specifications:
- Output power @ 4Ω, ≤1% THD+N, 14.4 V: 22 W x 4 RMS
Dimensions:
- A (Width): 113 mm (4.45 in.)
- B (Height): 89.5 mm (3.52 in.)
- C (Depth): 72 mm (2.83 in.)
- D (Mounting Depth): 24.5 mm (0.96 in.)
Usage Features:
Basic Operation:
- Power On/Off: A short press of the power button turns the unit on (standby mode), while a long press turns it off.
- Volume Adjustment: The VOL +/- buttons control the volume level, ranging from 0 to 40.
- Source Selection: The SRC button cycles through available audio sources: Tuner (FM/AM), USB, BT Music, and Aux In.
- System Menu: A long press of the SRC button enters the system menu, where users can adjust settings such as Bass, Treble, Balance, Fader, Beep (on/off), EQ presets (Hertz EQ, Classic, Pop), Loudness (on/off), Area (USA, Europe), and P-VOL (power-on volume).
Radio Operation (FM/AM Tuner):
- Band Selection: The BAND button switches between FM1, FM2, FM3, AM1, and AM2 bands.
- Preset Station Selection: Short presses of the SEEK +/- buttons navigate through saved preset stations.
- SEEK Tuning: Long presses of the SEEK +/- buttons automatically search for the next strongest station.
- Manual Tuning: A short press of the AS button enters manual tuning mode, allowing precise frequency adjustment using the SEEK +/- buttons. The system reverts to AUTO mode after a few seconds of inactivity.
- Auto Store: A long press of the AS button automatically finds and stores the 18 strongest stations into presets, replacing any existing ones.
- Save a Preset: Tune to the desired station, then long press the PLAY/PAUSE button. Use SEEK buttons to select a preset number, then long press PLAY/PAUSE again to save.
USB Mode Operation:
- Connection: Insert a USB device into the provided pigtail. It is recommended to select another source or turn off the power before removing the USB device to prevent damage.
- Track Selection: The SEEK +/- buttons move to the next/previous track. Long presses enable fast forward/rewind.
- Play/Pause: The PLAY/PAUSE button toggles playback between play and pause.
- Repeat Feature: The AS button cycles through repeat modes: "REPEAT ONE" (RPT logo lights up), "RANDOM" (RDM logo lights up), and "REPEAT ALL" (RPT logo turns off).
- Browsing: A long press of the AS button enters USB file browsing mode. Use SEEK buttons to navigate folders (indicated by ">") and tracks. Press AS to enter a folder or play a selected song. The BAND button exits the current folder. The upper bar of the display shows the current browsing level.
- Track Info: A short press of the BAND button changes the displayed information (Title, Artist, Album name, Track number, Playback time).
AUX In Mode Operation:
- Selection: Press the SRC button to select "AUX In" mode. This allows playback of audio from external devices connected via the RCA inputs.
Bluetooth Operation:
- Pairing: Turn on Bluetooth on your device, search for "HMR 10," and select it. "CONN. OK" will appear on the display upon successful connection. The unit automatically enters BT Music source.
- Disconnect/Reconnect: A long press of the AS button disconnects the device. A short press of AS attempts to reconnect the same device.
- Play/Pause: The PLAY/PAUSE button toggles playback.
- Track Selection: The SEEK +/- buttons move to the next/previous track.
Maintenance Features:
Cleaning the Body:
- Use a soft, dry cloth to wipe off dirt or dust.
- For persistent dirt, use a soft cloth with a neutral detergent diluted in water, then wipe with a dry cloth.
- Avoid using benzene, thinner, boat cleaner, or other harsh substances as they may damage the body or paint.
- Prevent rubber or plastic products from prolonged contact with the body to avoid stains.
Precautions:
- Always keep the volume at a level that allows external sounds to be heard for safety.
- Never open the case or disassemble the unit; contact a Hertz dealer for service.
- Ensure the vessel battery's negative terminal is disconnected before installation to prevent short circuits.
- Avoid installing the unit near the engine compartment to prevent interference.
- Do not install the unit where it will be exposed to excessive moisture, dust, dirt, foreign particles, vibration, high temperatures, or direct sunlight.
- Ensure proper wire connections before turning on the unit.
- Backup USB data before use, as Elettromedia srl is not liable for lost or damaged data.
- Connect/disconnect USB memory sticks only when not accessed to prevent data damage.
- Protect the unit from high temperatures; cool down the interior of the vessel before starting playback.
- Be aware of local volume level ordinances in residential and family areas.
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