User manual
DTS Broadcast   PDH Microwave Digital Radio User Manual 
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6 Operations 
6.1 General Use of the LCD panel 
The keypad composed with 6 keys and 1 LCD and 10 LEDs of the LCD panel enable the operator 
to configure the terminal and diagnose terminal faults by displaying unambiguous alarms and clear 
real-time system status. 
Figure 6-1 LCD Panel 
LCD display: 
This LCD display can display 2*16 symbols, used for display parameters and working status of 
L54 radio. 
LEDs: 
The LEDs are TEST, TLOS, RAS, FLO, BER, ODU, CABL, IDU, WORK, PWR 
TEST LED is yellow, WORK and PWR are green, and others are red when light on. 
6 keys: Menu selection to set parameter. 










