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Mini Multi-band Radio
Bluetooth | TF Card | APP Intelligent Remote Control | SOS Alarm
User's Manual
(Model: HRD-777)
Sustainable innovation and satisfying users' needs have always been our company's principle in new product R&D.
HRD-777 is a digital tuning mini multi-band/multi-functional radio produced by us with all efforts.
Please read this manual carefully before use.
Thank you for buying our product and please keep this manual properly.
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Table of Contents
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Summary of Contents for HanRongDa HRD-777
- Page 1 (Model: HRD-777) Sustainable innovation and satisfying users’ needs have always been our company’s principle in new product R&D. HRD-777 is a digital tuning mini multi-band/multi-functional radio produced by us with all efforts. Please read this manual carefully before use. Thank you for buying our product and please keep this manual properly.
- Page 2 1: Outside view and functions 1-1: Functions on the front...
- Page 3 1-2: Functions on the back...
- Page 4 1-3: Buttons on the top 1: Time mode: Long press it to set the light. If the radio is connected to an APP, you can double click it to exit APP connection quickly. 2: Receiving mode: Lightly press it to go to the mode of taking a channel (see provision 8.1-8.4). Double click it to search a stored channel automatically.
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Page 5: Power On/Off
2: Power ON/OFF This product uses lithium batteries. Please charge it first before the first use. The radio is locked in factory by default. Please unlock it first before the first use. Lightly press “ ” and “SOS” on the left to turn on the screen and show the time display status. The lock symbol “... -
Page 6: Adjust The Volume
5: Adjust the volume When the radio is turned on, push “ ” on the top up to increase the volume (level 32 is the max volume) and push it down to reduce the volume (level 0 is the min volume). 5.1 Enable/disable the mute function In the receiving mode, lightly press “... -
Page 7: Receiving Mode
Signal intensity in the receiving mode Electric screen in the Bluetooth/TF card mode Frequency modulation Amplitude modulation/clock display mode: Morning of 12-hour system Short wave reception Weather band reception of North American countries PRESET Search, store/taking channels automatically All buttons are locked Shuttle lock FM mode: frequency display/Bluetooth mode: bt/TF mode: play time Sleep symbol... -
Page 8: Listen To The Radio
When the radio is turned on, double click “ ” to switch between the above modes. 8.1: Listen to the radio This product supports the following four receiving wave ranges: Country/region China/Europe/Korea/Taiwan 1: 87.5-108.0MHZ 4.75-21.85MHZ 522-1710KHZ (9KHZ) North American 2: 87.0-108.0MHZ 520-1710KHZ (10KHZ) 4.75-21.85MHZ 162.40-162.55MHZ... - Page 9 8.3 Listen to FM 8.3.1 Methods of searching channels: searching channels manually, search channels automatically, searching channels with shuttle, and searching and storing channels automatically 8.3.1.1: Searching channels manually: push “ ” to the left or right to increase/decrease the bands progressively at the min step value .
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Page 10: Bluetooth Mode
8.5 Bluetooth mode Bluetooth name: “HRD-777” When the radio is working, double click “ ” to switch to “BT” mode. The Bluetooth symbol “ ” flashes on LCD, which means waiting for Bluetooth connection. After clicking on the phone to connect successfully, the Bluetooth symbol “ ” always appears. - Page 11 Install the TF card correctly and close the dustproof cover. Insert the TF card and give priority to the songs in TF card. Take out the TF card: By lightly pressing the TF card, it will come out automatically. (Double click “ ”...
- Page 12 follows: RA: repeat all; RO: repeat one RF: repeat file; RR: random TF card supports up to 256G TF card supports mp3/WMA/WAV /APE/FLAC TF card supports up to 65,535 files Reminder: In case of sound vibration for reason of song source when playing the music in TF card, please adjust the volume. When the radio is working in receiving and Bluetooth mode, if the music in TF card cannot be played, “Err”...
- Page 13 Push “ ” forward to enable the symbol of alarm clock and the minute to flash on LCD. Push “ ” to the left or right to select the minute. Push “ ” forward and push “ ” to the left or right to select. After selecting scheduled power on “Pon”...
- Page 14 Options on LCD Time The light is always on All lights will be off automatically after 5 seconds Flash The light is off Note: In the time display state and any light mode, the screen will be off in 10 seconds and enter the power saving mode.
- Page 15 15. Key technical parameters FM: 64.0-108MHz AM: 520-1710KHz Receiving range SW: 4.75-21.85MHz WB: 162.40-162.55MHz FM≦18dB AM≦86dB Receiving sensitivity SW≦30dB WB≦18dB ≦50uA Quiescent current ≦800mA Max current 4Ω3W Speaker ≧40dB Signal to noise ratio Number of channels stored in receiving mode Bluetooth version VER 5.2 ≤10m...
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Page 16: Matters Needing Attention
16. Matters needing attention Please comply with the following safety tips to use this product, ensuring safe and reliable use. ♦ Read and know all safety instructions and use information. ♦ When the battery symbol “ ” appears or the frame of the symbol “ ” flashes, it means low battery level. Please charge the battery timely to ensure normal use. - Page 17 FCC Warnning: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection againstharmful interference in a residential installation. This equipment generates, uses and can radiateradio frequency energy and, if not installed and used in accordance with the instructions, maycause harmful interference to radio communications.
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