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Appendix
WMA
WMA is short for Windows Media
™
Audio and
refers to an audio compression technology
that is developed by Microsoft Corporation.
WMA data can be encoded by using Windows
Media Player version 7 or later.
Specifications
General
Rated power source .................................... 14.4 V DC
(allowable voltage range:
12.0 V to 14.4 V DC)
Earthing system ..................................... Negative type
Maximum current consumption ......................... 15.0 A
Dimensions (W
x
H
x
D):
D
Chassis ................. 178 mm
x
100 mm
x
165 mm
Nose ......................... 170 mm
x
96 mm
x
10 mm
Weight ................................................................ 2.1 kg
Display
Screen size/aspect ratio ................. 6.1 inch wide/16:9
Effective display area .................... 135 mm
x
70.8 mm
Pixels .......................................... 384 000 (800
x
480)
Display method .................... TFT Active matrix driving
Backlight ............................................................... LED
Colour system .......................... PAL/NTSC compatible
Tolerable temperature range:
Power on .................................. –10 °C to +60 °C
Power off .................................. –20 °C to +80 °C
Audio
Maximum power output ................................. 50 W
x
4
(for subwoofer: 70 W
x
1 ch/2
$
)
Continuous power output .............................. 22 W
x
4
(50 Hz to 15 kHz,
5 %THD, 4
$
LOAD,
Both Channels Driven)
Load impedance ................. 4
$
(4
$
to 8
$
allowable)
Preout output level (max) .................................... 2.2 V
Preout impedance ................................................ 1 k
$
Equaliser (3-Band Graphic Equaliser):
Frequency ............... 60 Hz/80 Hz/100 Hz/200 Hz/
1 kHz/1.5 kHz/2.5 kHz/10 kHz/
12.5 kHz/15 kHz/17.5 kHz
Gain .......................................................... ±15 dB
USB
USB standard spec. ....................................... USB 1.1
Max current supply ................................................ 1 A
File system ........................................... FAT16, FAT32
USB class ..................................... Mass storage class
Decoding format ....... MP3/WMA/MPEG/MPEG4/MP4
Bluetooth
Version .......................................... Bluetooth 2.1+EDR
Output power ................ +4 dBm Max. (Power class 2)
13-MAN-AVICF550-EN.fm Page 126 Monday, April 8, 2013 3:02 PM