Maintenance & Inspection 
6-12 
6.4 Maintenance information 
When this equipment detects internal or external error, it displays them as maintenance 
information. 
6.4.1  Maintenance information indication 
■Procedure ■ 
1
1
1
.
.
.
 
 
 
While the equipment error is occurring, the 
MI (Maintenance Information) mark is 
displayed at the top of the screen as shown 
on the right. 
 
 
 
 
 
 
 
2
2
2
.
.
.
 
 
 
With the MI mark displayed, press MENU and 
8 together to display the Maintenance 
information.
 
  The Maintenance information can also be 
displayed by pressing MENU and selecting 
6.2 BAM alert list in the menu list. 
 Pressing the CANCEL key in the 
Maintenance information moves the display 
up one level in hierarchy. 
  Press ENT at the right figure to display the 
Maintenance information history. (Refer to 
6.4.3 for the Maintenance information 
history.) 
 
  When the BAM function is OFF, a 
pop-up will be displayed as shown on 
the right. 
  Press CANCEL to return to the screen 
before displaying the pop-up 
 
  When the TRX 024.PLL unlock or WKR 
MODEM 030.PLL unlock error is 
occurring, that mark remains as shown 
below until the equipment is restored to 
normal conditions. 
 
 
TEL ITU- 401
     4357.00
     4065.00
    RX                 kHz
    TX                 kHz
D
UP
 WKR scan bands:
 
ID 431001234         23:59(UTC)
Pos 89゚59.0123'N
   179゚59.6789'E@23:59   
SIG
NonDST:    +
DROBOS:    +
EdtDST:    +
M
ENU
M
ENU
1
2
3
M
ENU
Unlock
Unlock
G
PS
TEL ITU- 401
  4357.00
  4065.00
  RX       kHz
  TX       kHz
D
UP
 WKR scan bands:
 2 4 6 8 12 16MHz
ID 431001234     23:59(UTC)
Pos 89゚59.0123'N
  179゚59.6789'E@23:59
SIG
12 -S N2
NonDST:    +
DROBOS:    +
EdtDST:    +
M
ENU
1
2
M
ENU
G
PS
MENU
3
MI mark 
ID 431001234     23:59(UTC)
Pos 89゚59.0123'N
  179゚59.6789'E@23:59   (EXT)
TEL Rx:13077.00/Tx:12230.00kHz
 6.2)Maintenance information
 ATU   :017,ATU lost
 TRX   :020,DISP KEY
           
 Press ENT for Maninte history
MENU+ 8 
Note 
Maintenance information
ATU :017,ATU lost
TRX :020,DISP KEY