Service manual

ViewSonic Corporation Confidential - Do Not Copy VX2245wm-1
11
Language [English, French, German, Italian, Spanish, Finnish, Japanese, Simplified Chinese, Traditional
Chinese], Resolution Notice, OSD Position, OSD Timeout, OSD Background
Memory Recall
*1 These functions are not available in Digital Mode
*2 These functions are not available under SRGB Mode, Opticolor On, and Opticolor Skin Tone On
*3 These functions are not available under Native Resolution Mode
*4 These functions setting can be recalled to default value by pressing [▼]+[▲]
[Remark] Please refer to the detail in the Appendix C
Function descriptions
OSD Lock short cuts function for the buttons
The OSD lock will be activated by pressing the front panel control buttons "(1), & (▲)" for 10 seconds. If the user
then tries to access the OSD by pressing any of the buttons "1", "▼", "▲", "2" a message will appear on the screen
for 3 seconds showing "OSD Locked". The OSD lock will be deactivated by pressing the front panel control buttons
"(1), & (▲)" again for 10 seconds.
Note1: When the OSD is locked will lock all functions, including “Volume” and “Mute”
Note 2: Status bar indicating OSD Lock or Unlock is in progress and when complete it will indicate “OSD Locked”
Note 3: OSD Lock should not lock Power Button and Power Lock function
4-6 AUDIO INTERFACE (LCD SIDE-SPEAKER SPECIFICATION)
Line input signal
1.0 Vrms @1kHz
Line input impedance
10 kOhm
Maximum Amp power output (Watt) 2 W (RL=4Ω)
Amp -THD
< 10 % THD @1kHz
Speaker Power rating(Ω/Watt) 4Ω/2.5 W (TYP.) ; 4Ω/ 3 W (MAX)
Signal to Noise Ratio
72 dB
Frequency response
Fo – 20kHz
SPL. 85 ± 3 dB (at 0.5m)
FO 300 Hz
Line input connection
3.5 mm stereo jacks
Vibration
There should be no audible vibration resonance at
volume=100% & treble / bass in def. Value
Screen image
There should be no affect on the screen image stability under
any conditions
Connector PC99 requirement Audio in Lime Green pantone # 577C
Cable type / length
3.5mm stereo cable / 1.8m length
Audio DPMS
SPEAKERS STAY OFF WHEN THE REST OF THE MONITOR
IS IN POWER SAVING
* No any sympathetic or abnormal noise allowed.