XHDATA D-808 User Manual Download Page 10

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presses of the button do not toggle the option. Long press the key to change it.

 

Temperature

 

The temperature scale for display, Fahrenheit or Centigrade, may be selected. With 
the radio off, press the DISPLAY button until the temperature is displayed, then long

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press the number 3 to change the setting. Repeatedly press the button to toggle 

between F and C.

 

Setting the clock

 

The radio clock only supports 24

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hour time display only.

 

To set the clock, turn the radio off and long press TIME SET. The radio will display 

TIME.

” 

Key in the 4

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digit time to set. To set the seconds, wait until about 7 seconds 

before the 00 minute, then activate the time function, quickly key in the time and 
then press TIME again. Note that time setting mode automatically exits after about 
4 seconds with no key pressed.

 

The radio has the option to automatically set the time from an FM broadcast station 
the provides it (refer to the RDS topic for more on this). To enable automatic setting, 
press the TIME SET button with the radio off. Use the up arrow key to toggle be-
tween Auto and Manual modes. Note: many FM stations to not broadcast time, and 
those that do may not be accurate. You must tune the station with that  information 
for the time to be set.

 

Lock

 

With the radio on or off, long press the INFO button to disable the keys on the radio. 
Long press again to re

-

enable them. This feature is useful to prevent the radio from 

being turned on accidentally during handling or when packed.

 

Display light

 

The display is automatically illuminated for about 10 seconds when you press a key 
or turn the tuning knob. Pressing the LIGHT button turns it on indefinitely. When 
set, the light stays on even when the radio is turned off.

 

Summary of Contents for D-808

Page 1: ...1 XHDATA D 808 FM Stereo LW MW SW SSB AIR RDS Digital Signal Processing Receiver A User s Manual By Kevin Davidson Illustrations by XHDATA...

Page 2: ...adio 9 Operations and Setup 9 FM Tuning Range 9 Longwave Setup 9 Medium Wave step 9 Beep 9 Temperature 10 Setting the Clock 10 Lock 10 Display Light 10 Memory System 11 Auto Tune Storage ATS 11 Antenn...

Page 3: ...3...

Page 4: ...or MHz 6 Display temperature mode 7 Signal strength 8 Noise level 9 Band selection 10 FM Stereo signal 11 FM RDS available 12 Frequency 13 RDS Information 14 USB LSB mode 15 Squelch active AIR band on...

Page 5: ...External Antenna Jack 3 5mm 22 Volume control 23 Headphone jack 3 5mm stereo 24 Main Tuning knob push in for fast slow stop 25 Fine tuning clarify control for SSB 26 USB Charging port 27 Radio reset...

Page 6: ...6 Radio rear 28 Whip antenna used for FM SW and AIR bands 29 Kickstand 30 Battery door 18650 battery included...

Page 7: ...arefully remove the battery door back of radio and remove the battery and the tab Replace the battery taking care to align the polarity of the battery to match the diagram on the back of the radio Rep...

Page 8: ...ait until it stops The sleep timer setting can be disabled by simply turning the radio off Alarms The radio can automatically power on based on the alarm setting Alarm mode can be set on or off with t...

Page 9: ...etting press the FM button again to cycle through the three op tions 64 0 MHz 76 0 MHz 87 5 MHz Longwave The LW band is not enabled by default To enable it turn the radio off and long press the LW MW...

Page 10: ...ts after about 4 seconds with no key pressed The radio has the option to automatically set the time from an FM broadcast station the provides it refer to the RDS topic for more on this To enable autom...

Page 11: ...mory It loads them sequentially by page and by position within the page over writing any previously stored stations ATS is invoked by first selecting the band and then with a long press of the band bu...

Page 12: ...signal at all Bandwidth While radio signals are centered on one frequency they actually occupy a range of frequencies Sometimes two stations with adjacent frequencies can interfere with each other Thi...

Page 13: ...ed reception by turning stereo off The stereo setting is stored in the station memory when the frequency is saved FM RDS radio data system RDS is a means for FM radio stations to transmit data along w...

Page 14: ...or more infor mation LW longwave Longwave reception is not enabled from the factory Refer to the Settings topic for how to enable it Pressing the LW MW button when longwave is enabled switches between...

Page 15: ...60m 4750 4995 kHz 49m 5730 6200 kHz 41m 7100 7450 kHz 31m 9250 9900 kHz 25m 11500 12100 kHz 22m 13570 13870 kHz 19m 15300 15830 kHz 16m 17480 17900 kHz 15m 18900 19020 kHz 13m 21450 21850 kHz 11m 256...

Page 16: ...the display will show the sideband setting either upper sideband USB or lower sideband LSB In SSB mode the INFO button switches between the two sidebands LSB is most often used for frequencies below...

Page 17: ...knob in towards the radio and when the word Squelch appears in the display immediately rotate the tuning knob to set the squelch level The values are 1 9 and OFF The optimum level is usually the high...

Page 18: ...0 5 V AM Selectivity 80dB Number of memories 500 100 per band Battery 1 x 18650 DC input voltage 5V Power consumption 140 A off 120 mA at maximum volume Speaker 8 1 W Earphone Jack 3 5mm stereo Dimen...

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