Panasonic KX-TD500 System Reference Manual page 1383

3.00 Diagnosis of LEDs
Description Used to diagnose the LEDs on the operation keyboard.
Input Format DIG>LED
Diagnosis Method 1) ALL LEDs on the operation keyboard light in the following order:
Note :
2) After the diagnosis of LED ends, "Complete" appears and waits
Displayed Message
SRC-LOOP 1, LOOP 2, LOOP 3, LOOP 4, LOOP 5, LOOP 6,
NIGHT, ALARM, DES-LOOP 1, LOOP 2, LOOP 3, LOOP 4,
LOOP 5, LOOP 6
Confirm LEDs corresponding to the display on the screen.
DIG>LED
LED Test start
*****
LOOP1 SRC LED is lighting
(1) (2)
Pressing the F8 key or CTRL + C key during the diagnosis stops
the diagnosis and displays "Abort".
for command entry.
DIG>LED
LED Test start
*****
LOOP6 DES LED is lighting
Complete
*****
DIG>
(1) (2)
DSP LED OPR
( ) ( )
C C
R R
Displayed Message
Error: Illegal main command
*****
Error: Illegal sub command
*****
Displays the LED which is lit.
(3) (4)
(5)
Displays the LED which is lit.
(3) (4) (5)
KEY REP
( ) ( ) (
C C C
R R R
There is an error in the main command.
There is an error in the sub command.
14-B-5
(7)
(6)
CTRL-C
(6) (7)
ALL HELP END
) ( ) ( )
C C
R R
Meaning
(8)
(8)
( )
C
R