TKH TML1923P, User Manual

Page: 10 / 56

User Manual - Security monitor - TML1923P
10 11
EN 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 blinking (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 / AV1 - AV Input / HDMI 1 -
HDMI 1 / HDMI 2 - HDMI 2).
8 English