GPDS250A-007A and GPDS250-007A, GPDS250A-007 details, please contact Technology Co., Ltd. of Shenzhen City, Shenzhen peak sales representative of fir Gui 
 Phone :136 -3292-3225 
 QQ: 993 015 261 
 Tel :0755 -28,101,881 
 Address: 11th Floor, Block B, Huaqiang Plaza, Huaqiang North, Futian District, Shenzhen, 
 Web site: www.szchipkingdom.com 
 Email: sales@szchipkingdom.com 

 1, and Feature 
 1.1 Support single-lun 
 1.2 Support card reader (supports only the first reader to identify the disk) 
 1.3 Support full range mp3 (the Bitrate from 64 to 320 Kbps). 
 1.4 Support IR 
 1.5 support the playback of the memory function 
 1.6 Support FM frequency memory function 
 1.7 support LED status indicator shows 
 1.8 to support external volume rotation adjustment button 
 1.9 Support Plug and Play-to-play 

 Second, the Configuration 
 2.1 Display the Option the: the support LED188.8 (common cathode), LED8888 (common cathode), LCM4 * 32, LCM5 * 8 
 2.2 FM module: BK1080, RDA5807P QN8035, CL6017, KT0830EG 
 3. The Function 
 The product has three modes: mp3 the mode, FM the mode, the LineIn the mode. Which the FM mode and LineIn the mode, Option to select whether the. Through the mode button to switch between these three states: mp3FMLineInmp3. 

 Third, the MP3 mode 
 3.1.1 the MP3 the Select 
 A. Selection methods: up and down the song to skip on one or a playing mode, press Prev or Next until the desired song. If a song before and after at least 10 songs, Prev10 or Next10 jump ten or ten songs. 
 B. Direct positioning method according to song number: If you know the serial number of the selected songs, such as the 1234 song, you can use the number keys positioned directly followed by input 1, 2, 3, 4 four-digit number for 2 seconds , the player will jump to the specified 1234 songs, and start playback. 
 3.1.2 the Volume setting 
 A. Panel operation: playing music, Next / Prev or the length of the panel on the long press VOL + / VM-