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HK 3700/3770
HK 3700/3770 Receiver Front Panel Controls
6
The following are the front panel controls available in the HK 3700/3770 stereo receiver:
1. Power indicator
2. Power switch
3. Play/Pause
4. Menu
5. Back
6. Select previous
7. OK
8. Select next
9. Message Display
10. Tuning
11. Tuner Mode selector
12. Harman Volume
13. Bluetooth
14. Source selector
15. Volume control
16. Headphone output
17. FM/AM
18. USB/iPod
19. USB input port
1. Power indicator: This indicates the status of the stereo receiver whether it is in
operational, standby or OFF mode.
2. Power switch: Press this button to turn the stereo receiver ON or OFF. When the
HK 3700/3770 is in standby mode (the power indicator is amber), press this button to
turn the system ON (the power indicator turns white).
The receiver goes to standby mode automatically through the following:
• For digital sources (Optical/Coaxial), after remaining idle for 15 minutes
• For analog sources (USB/FM/AM/Aux/Phono/DLNA/iPod/Bluetooth), after
8 hours with no user input (for example, adjusting volume, navigating
through menu options and so on)
• Press the power button on the front panel
• Press the OFF button on the remote control or remote app
The receiver can be brought back to operational mode by pressing the:
• Power button on the front panel
• Source button
3. Play/Pause: Press this button to play or pause the audio stream.
4. Menu: Press this button to choose from different menu options.
5. Back: Press this button to go back to the previous menu.
6. Select previous: Press this button to select the previous file to play or to move left
within menu options.
7. OK: This button is used to make selections within the on-screen menu system for
some source devices. Long press this button to set the FM tuning mode between Auto
and Manual.
8. Select next: Press this button to play the next file or to move right within menu
options.
9. Message Display: Various messages appear in this display in response to commands.
In normal use, the upper line will display the current source and audio input (analog or
one of the digital audio inputs). The lower line displays the current speaker group (if any
are active) and the DSP mode.
10. Tuning: Use these buttons to navigate through the receiver’s menus. When the
radio is the active source, use these buttons to tune stations according to the settings
of the tuner mode selector.
11. Tuner Mode selector: This button toggles between manual (one frequency step
at a time) and automatic (seeks frequencies with acceptable signal strength) tuning
mode. It also toggles between stereo and mono modes when an FM station is tuned in.
Mono mode may improve reception of weaker signals.
12. Harman Volume: This button cycles the Harman Volume function between high,
low and off.
13. Bluetooth (HK 3770 only): The Bluetooth button is used to set the stereo receiver
into Bluetooth pairing mode. You can pair the HK 3770 system with Bluetooth-enabled
devices using this button.
14. Source selector: Press these buttons to select the active source.
15. Volume Control: Turn this knob clockwise to raise the volume and counterclockwise
to lower the volume, which will be shown in decibels (dB) in the Message Display.
16. Headphone output jack: Plug a 1/4’’ headphone into this jack for private listening.
17. FM/AM (HK 3700 only): This is the built-in tuner available in HK 3700 that helps
you select the tuner source input directly. Press this button to toggle between AM and
FM bands.
18. USB/iPod (HK 3700 only): This button helps you select the USB source input
directly. Press this button to toggle between USB and iPod source inputs.
19. USB input port: Connect your USB devices to this port.
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