Users Manual

Maintenance & Inspection
6-4
6.3 System alarm indication
If errors regarding the equipment are detected, the screen immediately shows the alarm as follows.
- According to the alarm type, some functions may be automatically restricted.
The alarm information is formatted as follows.
[Alarm date and time], [Alarm category]
[Alarm number], [Information]
- As the alarm category, only CAUTION is used for the marine VHF radio.
- Scroll using the []/[] buttons if there are more than 3 alarms.
- By touching the [ACK] button, the alarm indication is closed.
- When 002.TRX PLL alarm occurring, a blinking UNLOCK mark is additionally
indicated. In this case, that mark is remained as shown below until restored to
the normal condition.
- When 004. WKR PLL UNLOCK alarm occurring, the 70 icon becomes red to
show that the CH70 watchkeeping is abnormal.
- When high temperature is detected in the JHS-800S marine VHF, the VOL
indication on the status display becomes yellow and the maximum speaker
output is restricted to deduce the power consumption.
Note