2. OPERATIONAL OVERVIEW
2-8
2.3.1 Display indications
The display is divided in three areas:
1) The function menu area
2) The working area
3) The operating status area
(1) Communications network mode
No display: Normal operation.
Restoration mode (reverse video): Previously designated LES is transmitting the
NCS common channel signal.
(2) Communication unit status
IDLE: Idle (awaiting receiving, awaiting transmitting).
IDLE (PENDING): Awaiting reply from LES.
SENDING: Sending.
RECEIVING: Receiving.
LOGIN: Logging in with NCS.
LOGOUT: Logging out with NCS.
Data Report: Sending data report.
TESTING: Performance Verification (PV) testing.
TEST SETUP: Requesting PV testing.
SCANNING: NCS scanning.
EGC RECEIVER (Reverse video): EGC-only receiver operation.
DELIVER STATUS REQ.: Transmitting delivery status request.
FORCED CLEARING: Stopping receiving, transmitting, or scanning.
3(a) Communication status
CALLING: Now calling.
WAITING FOR ACKNOWLEDGEMENT: Waiting for acknowledgement from LES.
RECEIVING EGC MESSAGE: Now receiving EGC message.
WAITING FOR BACKOFF: Waiting to transmit data report.
File Edit Transmit EGC Reports Logs Options Setup StopAlarm
(2)
(2)
(3a)
(3b)
(4)
(5) (6)
(7)
(8)
(9)
(9)
2) WORKING AREA
1) Function
Menu
3) Operating
Status
(1)