JRC 1500 MKII Instruction Manual page 27

3.7.5 RELATIVE BEARING ALIGNMENT
This step must be performed. Failure to do so may result in incorrect bearing
readings.
① Set the range to 1.5 NM.
② Identify a suitable target such as a buoy and position the boat between 0.5
NM and 1 NM.
③ Point the bow at the target.
④ In the INITIAL SET UP MENU select BEARING.
⑤ Locate the target on the display.
⑥ Move the marker over the target.
⑦ Press the JOYSTICK once.
⑧ Move cursor back to the SHM (Ships Heading Marker is the solid vertical
line on the display).
⑨ Press JOYSTICK in when done.
3.7.6 DISPLAY TIMING
This step must be performed. Failure to perform this step may result in incor-
rect target distance reading.
① Set the range to 0.25 NM.
② Locate a pier, a jetty, a bridge (close to water line) or any other straight
object. Position the vessel so that it appears on the display. It does not
matter which way you are facing.
③ In the INITIAL SET UP MENU select DISPLAY TIMING.
④ If the bridges, pier or jetty does not appear to be in a straight line on the
display, then the DISPLAY TIMING needs to be adjusted.
⑤ Use the JOYSTICK to adjust the timing and make the object appear straight
on the display.
⑥ Press JOYSTICK when done.
DISPLAY TIMING EARLY
20 INSTALLATION
PUSHING
CORRECT
DISPLAY TIMING LATE
PULLING