LM-3237-26-4K 32 Inch Wide 4K Ultra HD Touch Monitor User Manual

June 6, 2024
4K ULTRA HD

32” Wide 4K Ultra HD Touch Monitor
LM-3237-26-4K
USER’S MANUAL

General Description

Overview

This zero-bezel monitor is designed for commercial and industrial applications, such as kiosks, digital signage, military, security, industrial equipment, and instrumentation equipment. This product can provide high brightness/contrast to achieve better viewing effect and good reliability at wide environments conditions.

Features
  • 1mm ultra-thin bezel thickness.
  • LED backlight.
  • 350 Nits sunlight readable display.
  • 4K Ultra HD (3840 x RGB x 2160 pixels) resolution.
  • VA mode with wide viewing angle.
  • PCAP 10-point touch
  • RoHS Compliance.
  • 5 keys OSD controls.
  • USB Type-B Connector.
  • DP / DVI / HDMI Video Input and auto-detection video system.
Application

Industrial Applications, especially for kiosk and public signage display.

Specifications

The following items are characteristic summary on the table at 25°C condition

Item Specification Unit Note
LCD Panel Active Screen Size 698.40(H) x 392.85(V)
(31.5 inches diagonal) mm
Resolution 3840(H) x 2160W) pixels
Pixel Pitch 0.181(H) x 0.181(V) mm
Pixel Arrangement RGB Vertical Stripe
Display Mode VA Mode, Normally Black
Display Colors 1.073G colors
Brightness 350 nits
Contrast Ratio 3000:1
Response Time 9.5ms (on/off)
Aspect Ratio 16:09
Touch Screen Technique PCAP 10-point touch
Material Ultra-Thin Tempered glass Light transmittance over 87%
Working Life Over 60 million times click touch
Touching Tool Finger or Stylus
Response Time 8ms
Graphic Input Connector DP, DV], HOMI
Power Power Input DC 12V (Adapter) VAC
Power Consumption Operation Mode 60 (Max) W
Saving Mode 2.5 (Max) W
Physical Dimension 750.4(W)452.7(H)56.5(0) mm
Weight Approx. 11 KG
Environment Operating Temp. -10 — 50 °C
Storage Temp. -20 –60 C
Reliability Backlight MTBF 30,000 Hours
--- --- --- ---
Warranty 12 month
ON/OFF Cycle 36,000 cycle
DCC Plug & Play DDC 28 Compliance
Function OW Key S keys (Power, Exit, , , Menu)
Wall Mount VESA standard 200 x 200 mm

Note 1: The unit should not be exposed to corrosive chemicals.
Optical Characteristics
The relative measurement methods of optical characteristics are shown below.

Item Sym Condition Min. Typ. Max. Unit Note
Center Luminance of White Lc Normal Direction 250 350 CD/m2
Center Color Chromaticity or White Red Rx Typ
0.03 0.685 Typ +
0.003
Ry 0.310
Green Gx 0.260
Gy 0.685
Blue Bx 0.150
By 0.060
White Wx 0.313
Wy 0.329
Uniformity 5 points 6W 65 75
Contrast Ratio CR 2000 3000
View Angle Horizontal ex+ CR a. 10 80 89 Deg.
ex- 80 89
Vertical 8x+ 80 89
ex- 80 89
Response Time TR Normal Direction 10. 20 ms
Tr
Crosstalk (in 60Hz) 2. %

Measurement Setup:

The LCD module should be stabilized at a given temperature for 40min. to avoid abrupt temperature change during the measuring.

OSD Functions

OSD Key Instruction

Description of Key Function

1| M| Pops up the menu/Backs to the previous menu (in case of main menu exits from the whole menu).
---|---|---
2| | When the menu is activated, used as the left function selection key, and decreases progressively the value of the progress bar; when the menu is inactivated, used as the specified shortcut mode hotkey.
3| | When the menu is activated, used as the right function selection key, and increases progressively the value of the progress bar; when the menu is inactivated, used as the specified shortcut mode hotkey.
4| E| If the menu is activated, choose the corresponding function.
5| | Power switch: Powers on/off the monitor.
6| LED Power
Indicator| Blue: in the normal switch-on state; flickering in blue: in a power-saving state.

Note: The physical keys of the specific model shall govern.
Operation Menu (OSD) Function Descriptions

Note: The functions may be adjusted due to a specific model or the upgrade of the software version. The physical model shall govern.

Installing the Monitor

Customer ports and instructions as below:

If the computer is turned on, you must turn it off before continuing.
Do not plug in or turn on the power to the monitor until instructed to do so.

  1. Attach the monitor base (Bypass)
  2. Connect the PC video cable.
  3. Connect the power cable to the monitor.
  4. Route the cables via the cable clip.
  5. Connect to and turn on the power.

Special Note:

  • If the video card does not support the current resolution, please adjust the resolution to 16:9 format (1366 X 768 or 1920 X 1080 and so on).
  • When the monitor is operating continuously, the chassis will be “warm”.

Trouble Shooting

If experiencing trouble with the monitor, or it fails to operate correctly, please refer to the following instructions before calling for repairs.

Trouble Suggestion

1. The picture does not
appear|

  • Check to see that all the I/O and power cables is firmly seated in the socket.
  • Check the power LED is lighting when the monitor was turned on.
  • Check if the brightness control is at the appropriate position, not at the minimum.

2. The screen is not synchronized|

  • Check if the I/O signal cable is firmly seated in the socket.
  • Check if the output level matches the input level.
  • Make sure the signal timings of the computer system are within the specification of the monitor.

3. The position of the screen is not in the center|

  • Adjust the H-position, and V-position, or perform the auto adjustment or memory recall.

4. The screen is too bright (too dark)|

  • Check if the brightness or contrast control is at the appropriate position.

5. The screen is shaking or waving|

  • Press the auto adjustment control to adjust. Moving all objects which emit a magnetic field such as a motor or transformer, away from the monitor. Check if the specific voltage is applied.
  • Check if the signal timing of the computer system is within the specification of the monitor.

If you are unable to correct the fault by using this chart, stop using your monitor and contact us.

Appendix 1: Mechanical Drawing (Preliminary)

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