Alarm Signal; Alarm Reset Mode - Sony mj620 Bedienungsanleitung

3-7. Alarm signal

The alarm signal is output in the following cases.
. When the signal from the PL101 Series head has exceeded the maximum response speed
. When the SIN-COS signal level from the PL101 Series head drops below a specified
value
. When the unit malfunctions due to external noise or other cause
When an alarm occurs, the alarm lamp turns on, and the ALARM output becomes high, and
* * *
ALARM output becomes low. PCA, PCA, PCB, and PCB output become high impedance
at this time.

3-7-1. Alarm reset mode

The alarm can be changed to the following two modes by setting MODE switch 2-4 (alarm
mode switch).
Automatic reset mode
The alarm signal is output for approximately 400 ms. The alarm is automatically reset after
approximately 400 ms if the cause of the alarm is cleared within this time. If the cause of the
alarm is not cleared within approximately 400 ms, it will be reset once the cause of the alarm
has been cleared.
This mode is the default setting.
Hold mode
When an alarm signal is output, it is continuously output even after the cause of the alarm is
cleared. The alarm is reset when the power is turned off and then on again if the cause of the
alarm has been cleared.
MODE switch 2-4 Alarm mode
(alarm mode switch)
OFF Automatic reset mode
ON Hold mode
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MJ620
(E)