Philips 221P3LPYEB/00, Руководство по обслуживанию

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Meridian 3 111
iii. The OSD word color is white with transparent background.
iv. The demo profile will be “Video Playback” profile with “High” ODC setting.
C. Hot keys to trigger:
Press [Smart Image] 3 seconds or more to trigger the demo mode.
When demo mode is On, press 3 seconds or more to turn off the demo mode.
When the demo mode is enabled, the blue LED will flash until demo mode disabled.
3.17 Perfect Tune
A. PerfectTune must be done after warming 30 minutes at least.
B. PerfectTune must be performed after Auto Color.
C. PerfectTune must be conducted through DVI or scaler embedded patterns.
D. Delta E < 2.5
3.18 Audio
3.18.1 Frequency Response
The amplifier and speaker combination shall provide a frequency response of 300Hz to 20 KHz, with +/-3dB
variation over the entire response range.
3.18.2 Total Harmonic Distortion
Total harmonic distortion shall be limited to 5% THD at the maximum wattage speaker rating specified in
section 1.3, at 1 KHz, when the input is 1.3Vrms.
3.18.3 Power Handling
Each speaker transducer shall accept up to the specified wattage of audio power without damage or exceeding
the frequency response and total harmonic distortion specifications.
3.18.4 Audio Amplifier
The amplifier shall provide two channels of audio up to 1.5Watts per channel from 100Hz to 20 KHz, base
upon an audio signal input of 1.3V RMS per channel.
3.18.5 Volume Control
For monitors with a manual volume control, the direction (at the bottom) of the bezel volume control is “-“key
for minimum volume and “+” key for maximum volume. The default shipping position of the volume control
shall be approximately 90%.
3.18.6 Speaker Sensitivity
The speakers shall support a minimum sensitivity of 75 dB +/-3 dB at 2W /Im at 1 KHz.
3.18.7 Maximum Audio Card Output
The monitor audio amplifier shall accept a maximum input voltage of 1.5 Vrms and meet the following
requirements at the maximum monitor volume setting:
1. The ratings of the audio amplifier may not be exceeded.
2. The ratings of the speakers may not be exceeded.
3. There must not be any clipping of the audio amplifier output signal.
4. Voltage dividers may be used to reduce the input signal level.