Page 1
OWNER’S MANUAL MEDICAL MONITOR Please read this manual carefully before operating your set and retain it for future reference. 32HR734S www.lg.com Copyright 2024 LG Electronics Inc. All Rights Reserved.
If discolouration/cracks appear after cleaning, discontinue use and contact the manufacturer. • Firmware update should be performed through LG Electronics or its distributor. • Ensure lighting is adequate during the cleaning process. • If LG Electronics or its distributor instructs to update the firmware, update it immediately.
. trademarks or registered trademarks of HDMI Licensing LG Electronics will also provide open source code to you on CD-ROM for a charge covering the cost of performing Administrator, Inc. such distribution (such as the cost of media, shipping, and handling) upon email request to opensource@lge.
ASSEMBLY AND PREPARING Product Composition Please check whether all the components are included in the box before using the product. If there are any missing components, contact the retailer where you purchased the product. Note that the product and related components may look different from those shown here. Owner's Manual/Regulatory Manual/Cards Power Cord AC/DC Adaptor...
• It is recommended to use the supplied components. • If you use generic cables not certified by LG, the screen may not display or there may be image noises. Drivers and Software Installation Priority • Only use components listed below that meet the listed standard. Unauthorized components may cause...
Page 8
LED Control button Functions • Selects the input mode. • Adjusts display mode for 2 or more screens. • Opens the [Hot key Settings] menu. • Adjusts the screen brightness. • Selects and confirms menus or options • Adjusts the screen contrast. •...
Page 10
SDI IN/SDI OUT USB IN/USB UP • Receives or transmits digital video signals. • Used for HW Calibrator (Optional Accessory) connection. • Supported SDI(Serial Digital Interface signals) format is SMPTE 259M compliant (SD) / SMPTE • Connect peripheral device to the USB input port. 292M compliant (HD) / SMPTE 425M compliant (3G) / SMPTE ST 2081-10 (6G) / SMPTE ST 2082-10 •...
Page 11
DC-IN • Connect an AC/DC adapter. Potential Equalization Conductor • Connect an equipotential plug. NOTE • All signal out terminals (SDI, etc.) output a signal when the power switch of the monitor is on. When the power switch is off, no signal is outputted. •...
Installing the Monitor Once the back door is attached, assemble it using the screws. Cable connection and organize Before connecting the connectors, remove the back door as shown below. Lift the back door in the direction of the arrow below to remove it. The back door is held in place with a magnet.
Page 13
NOTE • A non-VESA standard screw may damage the product and cause the monitor to fall. LG Electronics is not liable for any accidents relating to the use of non-standard screws. To install the monitor to a wall, attach a wall mount plate (optional) to the back of the monitor.
Page 14
Installing the monitor on the ceiling or on a slanted wall may result in the monitor falling off, which could power outlet. lead to injury. Use an authorized LG wall mount and contact the local dealer or qualified personnel. •...
USER SETTINGS Activating the Quick Menu Press to activate the LED Control Button. When the LED Control button is activated, press to show the OSD Quick Menu. Among the LED Control Button, press to move to the left or right or to move to the bottom or top or to set options.
Page 16
[Quick Settings] Press to activate the LED Control Button. When the LED Control Button is activated, press and select [All Settings] to show the complete OSD Menu. Among the LED Control Button, press to move to the left or right or to move to the bottom or top to go to the [Quick Settings].
Page 17
[All Settings] > [Quick Explanation Settings] [User Preset] User Preset allows the user to save or load up to 10 picture quality settings for multiple connected devices in each preset. NOTE • You can use User Preset to import or save items in [Picture Adjust] and [Color Adjust] of the [Picture] menu. [User Name] Allows the user to change and register a user name (Preset 1 ~ Preset 3, User 1 ~ User 7) as the user wants.
Page 18
[Input] Press to activate the LED Control Button. When the LED Control Button is activated, press and select [All Settings] to show the complete OSD Menu. Among the LED Control Button, press to move to the left or right or to move to the bottom or top to go to the [Input].
Page 19
[All Settings] > [Input] Explanation [SDI Mode] Selects among the SDI signal processing modes. ([Single1], [Single2], [Single3], [Single4], [12G 2-SI(QUAD Link)], [12G Square(QUAD Link)]) NOTE • Single 12G-SDI Signal Format: [Single1], [Single2], [Single3], [Single4] • Quad 3G-SDI Signal Format: [12G 2-SI(QUAD Link)], [12G Square(QUAD Link)] - Square Division: The full image is divided into four quadrants using four 3G-SDI signal format.
Page 20
[All Settings] > [Input] Explanation [Aspect Ratio] Adjusts the aspect ratio of the screen. ([Full Wide], [Original], [Just Scan]) NOTE • The display may look the same for [Full Wide], [Original] and [Just Scan] options at the 3840 x 2160 resolution. [Screen Flip] Adjusts the screen image rotation.
Page 21
[All Settings] > [Input] Explanation [Clone screen] Turns on or off the [Clone screen] output. Selects the [Resolution]. [Resolution] • The resolution of the output signal can be set to [Auto], [UHD], [QHD], [FHD], or [SD] depending on the connected device. •...
Page 22
Optimizes the screen for REC2020. [DICOM] A mode that optimizes the screen settings so you can view images for medical use. [Calibration 1] Adjusts to the calibrated screen. [Calibration 2] NOTE • [Calibration 1]/[Calibration 2]: Please install LG Calibration Studio to run calibration.
Page 23
[Picture Mode] on HDR signal [All Settings] > [Picture] Explanation [Custom] Allows the user to adjust each element. [Picture Mode] [Vivid] Optimized the screen for HDR vivid colors. [Standard] Optimized the screen for HDR standard. NOTE • HDR content may not display correctly depending on Windows 10 OS settings, please check HDR On/Off settings in Windows. •...
Page 24
Explanation [All Settings] > [Picture] [Brightness] Adjusts screen brightness. [Picture Adjust] NOTE • Press the button to toggle between [Turn on 'Brightness Stabilization']/[Turn off 'Brightness Stabilization']. • When [Brightness Stabilization] is [On], the [Brightness] adjustment function is deactivated. • When [Brightness Stabilization] is [On], [SMART ENERGY SAVING] and [DFC] functions are deactivated. •...
Page 25
Explanation [All Settings] > [Picture] [Picture Adjust] [Local Dimming] Maximizes the contrast ratio by making the bright areas of the screen brighter and the dark areas of the screen darker. Turning this option off may increase energy consumption. NOTE • When [Brightness Stabilization] is [On], the [Local Dimming] adjustment function is deactivated.
Page 26
Explanation [All Settings] > [Picture] [Picture Adjust] [DFC] [On] Automatically adjusts brightness depending on the screen. [Off] Deactivates the [DFC] function. [Response Time] Sets a response time for displayed pictures based on the movement of the picture on the screen. In a normal environment, it is recommended that you set [Fast].
Page 27
Explanation [All Settings] > [Picture] [Color Adjust] [Gamma] Set your own gamma value. ([Gamma 1.8], [Gamma 2.0], [Gamma 2.2], [Gamma 2.4], [Gamma 2.6], [DICOM Gamma Curve]) Higher gamma settings mean a darker image is displayed or vice versa. [Color Temp] Set your own color temperature.
Page 28
[General] Press to activate the LED Control Button. When the LED Control Button is activated, press and select [All Settings] to show the complete OSD Menu. Among the LED Control Button, press to move to the left or right or to move to the bottom or top to go to the [General].
Page 29
[All Settings] > [General] Explanation [User Preset] User Preset allows the user to save or load up to 10 picture quality settings for multiple connected devices in each preset. NOTE • You can use User Preset to import or save items in [Picture Adjust] and [Color Adjust] of the [Picture] menu. [User Name] Allows the user to change and register a user name (Preset 1 ~ Preset 3, User 1 ~ User 7) as the user wants.
Page 30
[All Settings] > [General] Explanation [RS-232C] [RS-232C] and the [HW Calibration] cannot be used at the same time. [RS-232C] The [RS-232C] function will be operated or turned off. [Set ID] Adjusts [Set ID]. (The scope of adjustment: 1-10) [Input Compatibility Version] Please set the [Input Compatibility Version] to match the version of the connected external device.
TROUBLESHOOTING Nothing is displayed on the screen. Problem Action Is the monitor's power cord plugged in? • Check if the power cord is correctly plugged into the power outlet. Is the power indicator on? • Check the power cable connection and turn on the power switch. Is the power indicator displaying as green? •...
Page 32
The screen is unstable and shakes. / There are shadowy traces left on the screen. Problem Action Did you select the appropriate resolution? • If the selected resolution is HDMI 1080i 60/50 Hz (interlaced), the screen may be flickering. Change the resolution to 1080p or the recommended resolution. The display color is abnormal.
PRODUCT SPECIFICATIONS Specifications are subject to change without notice. The symbol ~ means alternating current, and the symbol means direct current. LCD Screen Type TFT (Thin Film Transistor) LCD (Liquid Crystal Display) Screen Pixel Pitch 0.18159 mm x 0.18159 mm Resolution Max Resolution HDMI / DisplayPort: 3840 x 2160 @ 60 Hz...
Page 34
Environmental Conditions Operating Conditions Temperature 0 °C to 40 °C (32 °F to 104 °F) Humidity 0 % to 80 % Pressure 700 hPa to 1060 hPa Storage / Transport Conditions Temperature -20 °C to 60 °C (-4 °F to 140 °F) Humidity 0 % to 85 % Pressure...
EXTERNAL CONTROLLER SETUP Power indicator Mode LED Color The actual product may differ from the picture shown. On Mode Green Connect the RS-232C (serial connector) of the PC to the RS-232C IN connector at the back of the monitor. Purchase a cable to connect the RS-232C connectors, as the cable is not provided as an accessory. NOTE Use an RS-232C cable to remotely control the monitor (see Figure 1).
Command Reference List Set ID Function This function allows you to assign a unique ID to the monitor to control it remotely from your PC. Data Please refer to the "Transmission/Reception Protocol". Command Command1 Command2 (Hexadecimal) Press the button and select [All Settings] [General] [RS-232C]. 01.
Transmission/Reception Protocol Data Command Command1 Command2 (Hexadecimal) 18. [DFC] 00 ~ 01 Transmission 19. [Response Time] 00 ~ 03 20. [Black Stabilizer] 00 ~ 64 (Command1)(Command2)( )(Set ID)( )(Data)(Cr) 21. [Uniformity] 00 ~ 01 22. [Gamma] 04 ~ 09 (Command 1): j, k, m, x, t, f, d (Command 2): This command is used to control the monitor.
Page 44
01. Power (Command: k a) OK Acknowledgment ʢ Controls the On/Off of the power supply to the monitor. (Command2)( )(Set ID)( )(OK)(Data)(x) Transmission (k)(a)( )(Set ID)( )(Data)(Cr) When the Data has been successfully received, the monitor sends an ACK response signal in the above format. Data The Data showing the current state is received in the Data read mode.
Page 45
[Input List] (Sub) (Command: x c) 04. [Aspect Ratio] (Main) (Command: x f) ʢ Controls the input mode of the Sub. ʢ Adjusts the Aspect Ratio of the Main. Transmission (x)(c)( )(Set ID)( )(Data)(Cr) Transmission (x)(f)( )(Set ID)( )(Data)(Cr) Data Data D0: SDI 90: HDMI...
Page 46
[Aspect Ratio] (Sub 3) (Command: x i) 06. [PIP Size] (Command: k p) ʢ Adjusts the Aspect Ratio of the Sub 3. ʢ Adjusts the size of PIP. Transmission (x)(i)( )(Set ID)( )(Data)(Cr) Transmission (k)(p)( )(Set ID)( )(Data)(Cr) Data Data 00: [Full Wide] 01: [Original] 00: [Small]...
Page 47
08. [Picture Mode] (Command: d x) 11. [Sharpness] (Command: k k) ʢ Controls the Picture Mode. ʢ Adjusts the sharpness of the screen. Transmission (d)(x)( )(Set ID)( )(Data)(Cr) Transmission (k)(k)( )(Set ID)( )(Data)(Cr) Data Data 00: [Custom] 01: [Vivid] Min: 00 - Max: 64 07: [REC2020] 0D: [REC709] Ack (k)( )(Set ID)( )(OK/NG)(Data)(x)
Page 48
14. [SUPER RESOLUTION+] (Command: m c) 17. [Input Compatibility Version] (DP) (Command: m o) ʢ Controls the SUPER RESOLUTION+ function. ʢ Controls the [Input Compatibility Version]. (DisplayPort only) Transmission (m)(c)( )(Set ID)( )(Data)(Cr) Transmission (m)(o)( )(Set ID)( )(Data)(Cr) Data Data 00: [High] 01: [Middle] 01: [1.2]...
Page 49
20. [Black Stabilizer] (Command: m h) 23. [Color Temp] (Command: k u) ʢ Controls the Black Sharpness Optimization function. ʢ Adjusts the color Temp. Transmission (m)(h)( )(Set ID)( )(Data)(Cr) Transmission (k)(u)( )(Set ID)( )(Data)(Cr) Data Data Min: 00 - Max: 64 00: [Manual] 01: [Custom] 02: [6500K]...
Page 50
26. [Blue] (Command: j z) 29. [LED Control Button] (Command: m l) ʢ Adjusts the blue. ʢ Adjusts the LED ON time of the Control Button. Transmission (j)(z)( )(Set ID)( )(Data)(Cr) Transmission (m)(l)( )(Set ID)( )(Data)(Cr) Data Data Min: 00 - Max: 64 00: [Always On] 01: [20Sec Time Out] 02: [10Sec Time Out]...
Page 51
32. [OSD Lock] (Command: k m) [Screen Flip] (Sub) (Command: t i) ʢ Controls the OSD Lock function. ʢ Adjusts the screen image rotation of Sub screen. Transmission (k)(m)( )(Set ID)( )(Data)(Cr) Transmission (t)(i)( )(Set ID)( )(Data)(Cr) Data Data 00: [Off] 01: [On] 00: [Off] 01: [Mirror]...
Page 52
37. [Failover Input] (Command: k w) [Clone screen] (Frame Rate) (Command: m s) ʢ Controls the input of the Failover. ʢ Sets the frame rate for the clone screen. Transmission (k)(w)( )(Set ID)( )(Data)(Cr) Transmission (m)(s)( )(Set ID)( )(Data)(Cr) Data Data 00: SDI 01: DVI...
Page 53
39. [SDI Mode] (Command: x x) ʢ Selects among the SDI signal processing modes. Transmission (x)(x)( )(Set ID)( )(Data)(Cr) Data 00: [Single1] 01: [Single2] 02: [Single3] 03: [Single4] 04: [12G 2-SI(QUAD Link)] 05: [12G Square(QUAD Link)] Ack (x)( )(Set ID)( )(OK/NG)(Data)(x) 40.
Reporting security issues 1. Discovery LG PSRC is notified of a suspected vulnerability in LG products or services. We request our reporters to maintain strict confidentiality until complete resolutions are available and have been published by Share initial analysis results and progress LG PSRC, in line with responsible disclosure practices.
Page 55
Trade Name The model and serial number of the product are located on the back and on one side of the product. Responsible Party LG Electronics USA, Inc. Record them below in case you ever need service. Address 111 Sylvan Avenue, North Building, Englewood...
Need help?
Do you have a question about the 32HR734S and is the answer not in the manual?
Questions and answers