sangean MMR-77 Am/FM Portable Radio User Manual
- June 5, 2024
- Sangean
Table of Contents
sangean MMR-77 Am/FM Portable Radio
Version 1
Power Supply
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Battery operation
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Open the battery compartment by pressing the marking and opening the lid.
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Take out the used batteries by pulling the first one with your index finger. Then take out the second battery.
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When inserting the new batteries (2 x 1.5V, type UM-3, AA or LR6), observe the correct polarity.
Note: Take out the batteries when you know that the device won’t be used for a long period of time. The manufacturer accepts no liability for damage from used batteries.
Environmental note: Batteries, including those which contain no heavy metal, may not be disposed of with household waste.
Please dispose of used batteries in an environmentally sound manner. Find out about the legal regulations which apply in your area. -
Mains operation (with 3V/200mA mains power adaptor, central positive in polarity)
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plug the mains power adaptor (not supplied) into the DC jack socket (2.5 mm in diameter) on the left of the device.
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The batteries in the compartment are switched off.
Note:
you can’t charge the standard battery or rechargeable battery via Mains operation. -
Dynamo power
Note: You can charge the radio via Dynamo power either the battery switch in battery or dynamo position. The Dynamo charging is to the built-in dynamo battery not the battery in the battery compartment. -
take out Dynamo power handle from it rest position.
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rotary the Dynamo handle around 120 circles per minute speed, either clock or anti-clockwise until the charging LED indicator is on indicating charging condition.
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Under normal listening conditions, one minute of charging by dynamo crank allows radio listening for approx. 6 minutes via the speaker and approx. 10 minutes playing time using earphones. More dynamo crank revolutions will generate more playing time.
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Make sure the handle in its rest position after charging completed.
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You can dynamo charge the radio either radio in its on or off position.
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Make sure the telescopic antenna to be in rest position before rotary the dynamo handle.
Note: When plugged in AC power adaptor into DC jack, the dynamo charging won’t be effective.
Note: The built-in rechargeable battery for Dynamo power will last for 300-500 times of charging, therefore it’s suggested to power the radio by a standard battery or AC power adaptor (not supplied).
Radio operation
- Select the power to be Battery (make sure the batteries are in and powerful) or Dynamo position by switching battery/dynamo switch.
- Switch on the radio by turning the power/volume control.
- Select the required radio band (AM or FM).
- For FM reception, pull out the telescopic antenna and rotary it until you receive the best signal. For AM, align the antenna by turning the radio for best reception and avoid interference from computers, electronic devices etc.
- Adjust the volume by the rotary volume control.
Listening with earphones
Insert the earphones plug (3.5 mm, stereo) into the earphones socket on the
left side of the device.
This will automatically switches off the loudspeakers.
Backlight
The radio has a backlight next to the dial window, it will illuminate when the backlight button is pressed and turn off automatically after 5 seconds.
Technical Data
- Power Supply:
- Battery operation: 2×1.5V (type Mignon LR6/UM3/AA)
- Mains operation: 3V 300mA, mains power adaptor, center Pin Positive in polarity
- Dynamo operation: built-in 2 AAA size x 1.2V rechargeable Battery
- Output: 100 mW
Frequency Coverage
FM (VHF) 87.50 – 108 MHz
AM (MW) 530 – 1710 kHz
Antenna
wire antenna FM (VHF)
Ferrite rod antenna AM (MW)
Socket DC socket
2.5 mm in diameter, 3V 200 mA, center pin Positive. Earphone jack
3.5 mm in diameter, stereo, 32-ohm Impedance
Dimensions and weight
167mm x 89mm x 52mm (WxHxD)
250g
If at any time in the future you should need to dispose of this product please note that: Waste electrical products should not be disposed of with household waste. Please recycle where facilities exist. Check with your Local Authority or retailer for recycling advice. (Waste Electrical and Electronic Equipment Directive)