Inspection Of Video Detect Function; Setting Before Shipment - NEC MultiSync LCD1920NX User And Service Manual

1.5.4 Inspection of VIDEO DETECT function

This inspection shall be carried out to confirm that the [VIDEO] function of the OSD menu is normally
available and that the video input port is automatically changed according to the combination of video
inputs.
Signal : Digital signal (1280*1024@60Hz)
Signal : 26 (SXGA, separate) : All black
Equipment to be used for inspection:
Signal Source 1 : Graphic Board, Model : Matrox Millennium G550 (Manufactured Matrox Electronic
Signal Source 2 : Analog output
Initial conditions:
Signal Source 1: Digital signal (1280*1024@60Hz)
Signal Source 2: Set at Signal 26
The video input shall be available at D-SUB input.
[Method of inspection]
1) In the initial state, enter OSD main menu. The current video input type is shown VIDEO ANALOG or
VIDEO DIGITAL. Press MENU button to select the video input port.
2) In the procedures specified in the table below, try to connect and disconnect the cables for signal
exchange in order to confirm whether the resultant operation is the same as described in the "result"
shown in the table below. In the column on the right side of the table below, the conditions of
connections at that time are described for the respective ports.
Operation
INITIAL STATE
Pull out the D-SUB connector.
Connect the D-SUB connector.
Pull out the DVI connector.
Connect the DVI connector.
"×" indicates that no connector is connected.
The selected port can be examined according to the [VIDEO INPUT] OSD that is displayed at the time of
signal changeover. (Displays of [NO SIGNAL], [OUT OF RANGE], etc. are regarded as rejection.)

1.6 Setting before shipment

In order to recover the initial conditions of all settings, the contents of the memory are reset before shipment.
This reset process involves actions in regard to the memory of signal modes. Therefore, these actions
should be taken after the completion of all electrical inspection and display inspection.
1) Enter an input of Signal 26 through D-SUB input port. Operate the OSD to enter the sub-OSD of
MISC.
2) Adjust the cursor to RECALL by using the +up and -down buttons, then press the MENU button.
3) When the OSD is displaying DONE following the word of RECALL, the resetting process has been
finished. Keep pressing the MENU button for a while to exit and disappear the OSD.
Systems Ltd.) or equivalent.
Result
Selected port
ANALOG
DIGITAL
DIGITAL
ANALOG
ANALOG
Signal Source 1
DVI
Digital signal (1280*1024@60Hz)
Digital signal (1280*1024@60Hz)
Digital signal (1280*1024@60Hz)
×
Digital signal (1280*1024@60Hz)
5-16
Signal Source 2
D-SUB
Signal 26
×
Signal 26
Signal 26
Signal 26