Grundig GML-2231M Owner'S Manual Download Page 10

8. Frequently Asked Questions

The Power button does not respond:

- Check the power cord to ensure that it is securely plugged into the monitor base and 
also into the electrical outlet.
- Ensure that there is electrical power coming from the AC outlet. Use another device to 
check the power.
- Unplug the power cord of the monitor from the AC outlet, wait a few minutes, then plug 
the power cord into the AC outlet again. This will reset the monitor and power supply.

No image on the screen:

- Ensure that the DB-15 signal cable is properly connected to the display card/computer.
- Check the DB-15 signal cable connector on both ends for bent or pushed-in pins.
- The display card should be properly seated in its card slot.
- Ensure that the computer's power switch is ON.
- Ensure that the monitor's power switch is ON.
- Unplug the power cord of the monitor from the AC outlet, wait a few minutes, then plug 
the power cord into the AC outlet again. This will reset the monitor and power supply.

The Power LED is red (with no image on the screen):

- Check the DB-15 signal cable to ensure that it is properly attached to the graphics 
display card.
- Check the DB-15 signal cable on both ends for bent or pushed-in pins.
- Make sure the computer is not in a power-saving mode (move the mouse or press a 
key on the keyboard).

No sound coming from the audio speakers:

- The audio cable should be connected to the line-out on the audio card and the line-in 
on the monitor. Ensure that the audio cable is properly connected.
- Inspect the audio cable for any apparent damage. Double-check by switching to 
another audio cable to see if the audio works.

NOTE: The different video modes have different Audio Inputs. You will only receive here 
the sound of the corresponding Inputs (VGA - PC Audio / AV

 

- AV Input / HDMI 1 - 

HDMI 1 / HDMI 2 - HDMI 2).

8

English

Summary of Contents for GML-2231M

Page 1: ...GML 2231M 129 1 28 01 2014 Owner s Manual EN ASP AG Monitors GML 2231M 54 6 cm 21 5 LCD TFT Monitor LED Backlight GML 2431M 61 cm 23 6 LCD TFT Monitor LED Backlight...

Page 2: ......

Page 3: ...you to dangerous voltage potentials or other risks When you transport this monitor for repair or shipment use the original carton and packing materials Do not rub touch or tap the surface of the scre...

Page 4: ...2 Installation Do not install the monitor near heat sources such as radiators or air ducts or in a place subject to direct sunlight excessive dust mechanical vibration or shock Do not cover or block t...

Page 5: ...ery CR2025 3V Owner s Manual 4 Rear View with Connections DC Connect the 12V power adapter that is included in the package HDMI 1 High Definition Multimedia Input Here you can connect the monitor to a...

Page 6: ...BLUE On RED Standby BLANK Off or No power supply 6 Switching the Monitor Source Press the A button to make the source menu visible Press to choose the source from the modes VGA HDMI 1 HDMI 2 AV Press...

Page 7: ...image become soft Press or to adjust the parameter Colour Temp In AV mode press or to adjust the colour tones Cool Warm Normal In VGA and HDMI mode a sub menu will appear when you press or to select...

Page 8: ...ess or to adjust the parameter V Zoom Adjust the V size of the display picture Press or to adjust the parameter Pixel Clock Press or to adjust the parameter Phase Press or to adjust the parameter Scal...

Page 9: ...ll or Mid Position Move the position of the Sub Source window Press or to select the position UR BR UL BL Border Colour Choose the border colour of the Sub Source window Press or to select Black or Bl...

Page 10: ...ON Unplug the power cord of the monitor from the AC outlet wait a few minutes then plug the power cord into the AC outlet again This will reset the monitor and power supply The Power LED is red with n...

Page 11: ...Speaker Output 3W 2x1 5W built in OSD Yes multi language PIP On Off PBP On Off MTBF at 25 C 100 000 hours Operating Temperature 0 C 40 C Humidity 10 90 no condensation Storage Temperature 10 C 60 C Su...

Page 12: ...er Output 3W 2x1 5W built in OSD Yes multi language PIP On Off PBP On Off MTBF at 25 C 100 000 hours Operating Temperature 0 C 40 C Humidity 10 90 no condensation Storage Temperature 10 C 60 C Suitabl...

Page 13: ...the standards in the following relevant provisions EC EMC Directive 2004 108 EC Low Voltage Directive 2006 95 EC Applied harmonised standards and technical specifications EN 60950 1 2006 A12 2011 EN...

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