Starting (Normal); Starting (Abnormal) - JRC JLN-205MK2 Quick Reference

4.1.2 Starting (Normal)

If all the self-check results are 'OK', the screen is automatically changed to the normal screen.
・When the power of the Doppler Log is turned on
When the power is turned on by using the main power switch, the transducer protection function is
activated for safety and a message is displayed on the screen as shown below. Turn off the power as
indicated in 4.1.5 "Turning off the power" and turn on the power again by using the power ON key.
Supplement
The transducer protection function protects the transducer from the failure that occurs
when it is operated in the open air.
Turn on the power after checking that the transducer is placed under water.

4.1.3 Starting (Abnormal)

If the self-diagnosis results are errors "NG," the results are displayed as follows.
Caution
When any abnormality (NG) is found, contact JRC or one of our agents.
4.1.4 Starting (Abnormal)
When the program is corrupted, the following screen is displayed. Turn off the power and contact
JRC or one of our agents.
All OK
Please turn on the power again.
R0004
Recovery
mode.
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