ZS3 Service Manual Page 254 of 295
2. Place AC circuit breaker, located at the rear of the system, in the “1” (ON)
position.
Figure 19.45-ZS3
3. Turn the system on.
4. Attach a transducer (if not already connected)
5. Verify that the System is functioning correctly by performing a basic test. This
test is comprised of the following:
a. Verify that the User Interface keys are functioning correctly by testing each
of the keys.
b. Verify that the Softkey OLED displays are correct and functioning correctly
based on the selected mode.
c. Verify the trackball functions correctly – testing both the horizontal and
vertical axis.
6. Once verification is complete, return system to normal operation.