Appendix
POCKETRAK CX Reference Manual
80
Specifications
Supported OS
Windows Vista, XP Professional/Home Edition
Mac OS X 10.4, 10.5
Supported media
microSD/SDHC card
Recording mode and available
recording time (with the included
2GB microSD card)
PCM 48 kHz: Approx. 2hr.50min.
PCM 44.1 kHz: Approx. 3hr.5min.
MP3 320 kbps: Approx. 13hr.35min.
MP3 192 kbps: Approx. 22hr.45min.
MP3 128 kbps: Approx. 34hr.5min.
MP3 64 kbps: Approx. 68hr.15min.
MP3 32 kbps: Approx. 136hr.30min.
Recording format
MP3, PCM (WAV)
Playback format
MP3 (MPEG1 LAYER3, MPEG2 LAYER3), WMA
PCM (Only files recorded on this unit are supported.)
Frequency response (recording with
an external microphone)
40–23,000Hz (PCM 48kHz, 16bit)
40–21,000Hz (PCM 44.1kHz, 16bit)
40–20,000Hz (MP3 320kbps)
40–20,000Hz (MP3 192kbps)
40–15,000Hz (MP3 128kbps)
40–7,500Hz (MP3 64kbps)
40–6,500Hz (MP3 32kbps)
Frequency response (recording with
the built-in microphone)
60–20,000Hz (PCM recording)
* The high end frequency response varies with the recording mode
that was selected for recording with an external microphone.
The low end response is 60Hz in all MP3 recording modes.
Frequency response (playback)
20–23,000Hz
Sampling frequency
16kHz–48kHz
Bit rate (playback)
16–320kbps (MP3)
32–192kbps (WMA)
* Some files may not be played back correctly.
Connectors
USB mini, Stereo headphones 3.5-mm mini, Stereo micro-
phone (line input)
3.5-mm mini, microSD card slot
Operating temperature
+5˚C – +35˚C (+41˚F – +95˚F)
Output (headphones)
10mW + 10mW (at 16
Ω
load)
Power supply
Eneloop AA Ni-MH rechargeable battery (1)
Or, “AA/LR6” alkaline battery (1)