244
9.6 After-installation Adjustments
9.6.1 Installation-time check
(a) After completing the installation procedure, it is necessary to check the radar unit to
verify that all installation steps have been conducted as instructed. In particular,
check for correct cabling, for normal component operating state, for water leakage in the
scanner unit, and for proper grounding of braided shielding cable.
9.6.2 Functional checks
(a) After completing the installation-time check and before checking the operation of the
radar, make sure that the output voltages of the inboard power supply fall within their
permissible range.
(b) Read "3 Basic Operation" carefully and thoroughly and make sure that the radar
functions normally. Then, manipulate all controls and menu functions to ensure that
they function normally.
(c) If it becomes necessary to make an adjustment though the radar unit is normal, read
"9.7 Adjustment Procedures" carefully and follow the instructions given in that section.
9.6.3 Adjustment items
(a) Radar's bearing adjustment is mandatory.
(b)
If the control is not positioned near the center of the scale during tuning or if tuning fails,
make a coarse tuning from the "TUNE PRESET" menu.
(c) If there is a difference between the range displayed on the radar's PPI screen and the
actual range, adjust the range from the "DISPLAY TIMING" menu.
(d) The "BUZZER" menu can be used to adjust the volume of the alarming buzzer.
(e) The "STC PRESET" menu can be used to adjust the STC.
