
Device description
Leuze electronic
DDLS 548i
19
SIGNAL QUALITY indicator
Eight individual LEDs are available for displaying the received signal level (SIGNAL QUALITY):
• two red LEDs
• two orange LEDs
• four green LEDs
At the optimum received signal level, all LEDs (red, orange, green) are activated.
If the received signal level drops, the LEDs are successively switched off, beginning with the green LEDs.
1
2
3
1
two red LEDs
2
two orange LEDs
3
four green LEDs
Fig. 3.5:
SIGNAL QUALITY indicator of the received signal level