2. OPERATIONAL OVERVIEW
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
File
Edit
Transmit
(2)
(3a)
(3b)
(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.
2-8
EGC
Reports
Logs
Options
(2)
(1)
2) WORKING AREA
(4)
(5)
(6)
(7)
Setup
StopAlarm
(8)
(9)
(9)
1) Function
Menu
3) Operating
Status
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