Acer AT1921 - Advanced features - Page 12; Locking TV Channel; Reorder for channels

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Impedance More than 22kΩ
Interface 3.5mm Stereo Jack , Black color
Type Stereo R/L Channels
Level 40mW rms/per Channel(typ.) for 32 ohm earphone
Impedance 32 ohm
Headphone Output
Interface 3.5mm Stereo Jack
Max. Audio output 5W + 5W (at 1.0Vp-p / 1kHZ input,10% THD max.)
Sound Distortion 1% THD max. ( at 250mW/1kHZ : )
Speaker 5 W / 8 ohms
Speaker Impedance 8 ohms at 1kHZ
Residual Hum 500uW Max.( at Min. Volume : )
Built-in Speaker
Max. Hum 1000uW Max ( at Max. Volume )
Type Stereo R/L Channels
Level 400Vrms.
Audio Line Output
Interface 3.5mm Stereo Jack
Input Impedance 75 ohms
Frequency Range 48.25~855.25 MHz (PAL)
Video S/N Ratio 45 d B (Typical)
RF Input
Audio S/N Ratio 63 d B (Typical)
Level : Low = 0 to 0.8V, High = 2.0 to 5 V
Polarity : Positive or Negative
Sync
Impedance : 1 k ohm or higher
Level : 0 to 700mV Positive
VGA Input RGB Signal
Impedance : 75Ω± 5%
1 Red Video
2 Green Video
3 Blue Video
4 Ground
5 Ground
6 Red Ground
7 Green Ground
8 Blue Ground
9 +5V ( PC97 )
10 VGA-CONN(Sync GND)
11 Ground
12 SDA ( DDC Data )
13 Horizontal Sync
14 Vertical Sync
D-Sub Pin Define
15 SCL ( DDC Clock )