Garmin 155 GPS Receiver User Manual


 
5. Super Flag Output Test:
a. Rotate the outer function knob clockwise.
b. Turn the FUNCTION SELECT switch on the test panel to position #4.
c. If necessary, rotate the inner function knob to select IN VIEW. Verify that the DMM voltage is less than
0.25 VDC.
d. Rotate the inner function knob clockwise to select OUT OF VIEW. Verify that the DMM voltage is
greater than 26.5 VDC.
6. OBI Output Test:
a. Press the CRSR key.
b. Rotate the outer function knob clockwise to display the OBI Test Page:
c. Press the CRSR key.
d. Rotate the outer function knob clockwise until VALUE is flashing.
e. Rotate the inner function knob clockwise to select CLOCK.
f. Turn the FUNCTION SELECT switch on the test panel to position #14.
g. Rotate the outer function knob clockwise until LOW flashes. Verify that the DMM voltage is less than
1.0 VDC.
h. Rotate the inner function knob to select HIGH. Verify that the DMM voltage is greater
than 4.5 VDC.
i. Rotate the outer function knob counterclockwise until CLOCK flashes.
j. Rotate the inner function knob clockwise to select DATA.
k. Turn the FUNCTION SELECT switch on the test panel to position #15.
l. Rotate the outer function knob clockwise until LOW flashes. Verify that the DMM voltage is less than 1.0 VDC.
m. Rotate the inner function knob to select HIGH. Verify that the DMM voltage is greater than 4.5 VDC.
n. Rotate the outer function knob counterclockwise until DATA flashes.
o. Rotate the inner function knob clockwise to select SYNC.
p. Turn the FUNCTION SELECT switch on the test panel to position #16.
q. Rotate the outer function knob clockwise until LOW flashes. Verify that the DMM voltage is less than
1.0 VDC.
r. Rotate the inner function knob to select HIGH. Verify that the DMM voltage is greater than 4.5 VDC.
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