Starting (Normal); Starting (Abnormal-1); Starting (Abnormal-2)(Gps) - JRC JLR-7900 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-1)

If the self-diagnosis results are errors "NG," the results are displayed as follows.
Supplement
When any abnormality (NG) is found, contact JRC or one of our agents.
4.1.4 Starting (Abnormal-2) (GPS)
Messages shown below may be displayed during sensor diagnostics.
The message appears when display unit and sensor configuration settings do not match, such as
when equipment has been replaced.
When this occurs, select one of the items, and press the
[ SENSOR]: Replaces display configuration with the sensor configuration.
[ DISPLAY]: Replaces the sensor configuration with the display configuration.
Supplement
Consult with JRC or its affiliate if this is displayed frequently.
4-4
ALL OK
Please turn on the power again.
DISPLAY COFIG IS
DIFFERENT FROM
SENSOR
SENSOR DISPLAY
key to perform it.