MP3 Player User Manual
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21
Appendix          D
PORTABLE MP3 PLAYER 
EV64AMX 
Size(WxHxD)/Weight 
¨  57 x 74 x 22 mm / 50g (without battery) 
Memory 
 Internal Memory 
¨  64 MB 
Type of removable memory : 
¨ 
1 x Smart Media slot  
use 16, 32 and 64MB SMC card 
Interface 
¨  USB ( using standard USB v1.1 cable ) 
LCD Display 
¨  1 line x icon & 2 lines x 12 characters LCD 
Power 
¨  1 x AA Alkaline 
¨  15 hours for MP3/voice playback 
Signal to Noise Ratio 
¨ 
88 dB 
Frequency Response 
¨  20 Hz ~ 20 KHz 
Output 
¨  20mW (each output) 
Harmonic Distortion Output 
¨  0.05 ~ 0.1% 
Equalizer 
¨  5 presets equalizer 
Processor 
¨ 
50 MHz DSP 
Audio Codec support 
¨  MPEG Audio Layer 3 (MP3) 
Firmware 
¨  Flash based. User upgradeable. 
Voice Recording 
¨  IMA-ADPCM encoding. 
¨  About 4 hours recording in 64MB
 Memory 
player. 
Technical Specification 
The player can not power on. 
¨  Is Battery polarity (+) / (-) right? 
¨  Is Battery capacity enough? 
(One 1.5 v AA size Alkaline battery is required.) 
¨ 
Take the battery out and reinstall the battery 
to reset the unit. 
LCD displays ’Power on / Locked ‘ and power off. 
¨ 
Unlock the [HOLD] button and try again 
The button is not working. 
¨  Is [HOLD
] button locked? If it is, Unlock 
the [HOLD] button and try again 
¨ 
Take the battery out and reinstall the battery 
to reset the unit. 
There is no audio produced. 
¨ 
Check the earphone and / or the connection 
is working normally. 
¨  Check that MP3 files are  NOT
 stored in 
folder(s). 
¨ 
Take the battery out and reinstall the battery 
to reset the unit. 
Can not download MP3 file(s). 
¨ 
Is USB connection steady? 
Observe if the 
[USB IDLE] displays on LCD of the unit. 
¨  Check and / or replace the battery. 
¨ 
Is there no free space to download the file? 
(Continued on next page)
Troubleshooting 
Specifications are subject to change without notice.  
Mass and dimensions are approximate. 
The unit is controlled by microcircuit and 
software. So, please RESET the unit
 by taking 
out and reinstalling the battery when the unit 
stop
s responding. And if the unit still cannot 
work, please REFRESH the firmware. 
Reset The Unit 
The unit will not work if the built-
in software is 
corrupted. Connect the unit to computer and use 
[Firmware Upgrade] utility to refresh t
he 
software to normal. 
Ref. Appendix C : Software Utility
Refresh The Firmware 










