Koden ESR-S1BB, Operation Manual

Page: 66 / 73

6-2
APPENDIX
DAILY MAINTENANCE
CLEANING DISPLAY UNIT
Wipe off dust or salt crystals from the filter lightly with a soft wet cloth.

Using a dry or firm cloth may scratch the surface of display. Display with many scratches
shows the poor visibility of the screen.

Do not use any chemical cleaners to clean the ESR-S1BB Sonar.

Make sure to turn off the power before cleaning. Breathe out on the surface, and wipe off
dust from LCD display lightly with an absorbent cotton or clean soft cloth after removing the
filter.
If there is dust you can not wipe away, contact your local dealer or KODEN head office.
CLEANING SOUNDOME
Since Soundome is installed in the bottom of the vessel, barnacle and oyster stick to the
Soundome. These barnacle and oyster disturb the smooth operation of the unit.

At the dry dock, remove oyster and barnacle sticking to the Trunk Pipe and the Soundome.
Do not scratch the Soundome while removing them.

Do not paint the Soundome. Otherwise it will result in poor sonar performance.