Japan Radio Co. JLN-740A, Instruction Manual

Page: 87 / 232

4-17 Chapter 4 Setting by Using Menus (JLN-740A/741A)
4
2
4.2. Alert
4.2.1. JLN-740A Alert list
Alert message WARNING CAUTION Possible cause
LOST SPEED STW

STW (fore/after) could not be measured.
HW ERROR (NWZ-510)

Main display hardware error
HW ERROR (NQA-7040)

Distribution processor hardware error
HW ERROR (NJC-70)

Signal processor hardware error
OVER SPEED STW

STW exceed the set speed limit range.
BUBBLE DETECTED

Bubble was detected.
NO BUBBLE REFERENCE

No bubble detection reference data
TX/RX STOP

Transmission/reception power for the
transceiver stopped.
CPU STOP (CDC-7400)

CPU of NJC70S/CDC-7400 is not
operating.
HW ERROR (CDC-7400)

FPGA of NJC70S/CDC-7400 is not
operating.
PLEASE SET DATE-TIME

No date and time are input.
DISPLAY COMM. FAIL

Communication with the main display
unit was disconnected.
SENSOR COMM. FAIL

Communication with the signal
processor was disconnected.
CPU1 MISMATCH
(1MIN REMAINS)

CDC-7400 CPU version does not match.
One minute remains for update time.
CPU2 MISMATCH
(1MIN REMAINS)

CDC-7400 CPU version does not match.
One minute remains for update time.
FPGA1 MISMATCH
(10MIN REMAINS)

CDC-7400 FPGA version does not
match. Ten minutes remain for update
time.
PARSING OF NMEA (ID)
FAILED

NMEA (ID) could not analysis.
Alert with main display only.
INVALID CHECKSUM OF
NMEA (ID) SENTENCE

Invalid checksum of NMEA (ID).
Alert with main display only.
(ID) TIMED OUT

(ID) timed out.
Alert with main display only.