9.5. Luminance
S/N
TEST CONDITIONS
Refer to “10.1. MEASUREMENT CONDITIONS
MEASURING SYSTEM
System 1.
PROCEDURE:
1. Shoot the light box, and zoom WIDE or TELE to fit a scene of monitor fully by PC
2. The noise meter settings are;
Input level
:
Preset
High
Pass
Filter : 100KHz
Low Pass Filter
:
4.2 MHz
Sub-carrier Trap
:
On
Weighting
:
On
Sag
&
Hue
Comp.
: Optimum
3. Measure the maximum S/N on the noise meter.
SPECIFICATION:
NTSC
:
More than 48 dB
PAL
:
More than 48 dB
9.6. Horizontal
Resolution
TEST CONDITIONS
Refer to “10.1. MEASUREMENT CONDITIONS
MEASURING SYSTEM
System 1.
PROCEDURE:
1. Image the resolution chart, and Zoom WIDE or TELE completely fill the monitor with the target
2. Adjust the brightness and contrast of the B/W monitor so that each step of the gray scale
target can be observed.
3. Change the scan size of monitor to underscan.
4. The reference arrows on the resolution chart are positioned at the edge of the
underscanned
picture.
5. Change the scan size of monitor from underscan to overscan.
6. Measure the maximum horizontal resolution on the picture.
SPECIFICATION:
More than 480 TV Lines (High Resolution)
More than 380 TV Lines (Normal Resolution)
9.7. Low Luminance Sensitivity
TEST CONDITIONS
Refer to “10.1. MEASUREMENT CONDITIONS
MEASURING SYSTEM
System 2.
PROCEDURE:
1. Shoot the gray scale chart (reflective), and Zoom WIDE fully by PC.
2. Adjust the brightness of the light source by using the dimmer switch so that the white peak
level of the chart becomes 30 IRE (NTSC), (210 mV, PAL) on the waveform monitor.
3. Measure the level of illumination by using the illumination meter.
SPECIFICATION:
NTSC (Normal)
: 0.5 Lux (30 IRE)
PAL
(Normal)
: 0.5 Lux (210 mV)
Doc # APN 20/21Z704USB
Issue Date: 05/11/2007
Revision: C
Page 22 of 2
3
