Sony D-NF421 - Manual (Page 35)

Maintenance
To clean the casing
Use a soft cloth slightly moistened in water or
a mild detergent solution. Do not use alcohol,
benzine or thinner.
Specifications
CD player
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength:
λ = 770 - 800 nm
Emission duration: Continuous
Laser output: Less than 44.6 µW
(This output is the value measured at a distance
of 200 mm from the objective lens surface on the
optical pick-up block with 7 mm aperture.)
D-A conversion
1-bit quartz time-axis control
Frequency response
20 - 20 000 Hz +1
–2
dB (measured by JEITA)
Output (at 3 V input level)
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16 Ω
(Approx. 1.5 mW + Approx. 1.5 mW at 16 Ω)*
*For the customers in Europe
Radio
Frequency range
• European models
FM: 87.5 - 108.0 MHz
AM: 531 - 1 602 kHz
• Other models
9 kHz step:
FM: 87.5 - 108.0 MHz
AM: 531 - 1 602 kHz
10 kHz step:
FM: 87.5 - 108.0 MHz
AM: 530 - 1 710 kHz
Antenna
FM: Earphones cord antenna
AM: Built-in ferrite bar antenna
Continued 
Additional Information
D-NF421.GB.2-318-768-81(1)
35