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3-1
INITIALIZATION AND ADJUSTMENT
3
.1 Tuning Initialization
Tune the radar as follows: Press [RADAR MENU] [0] [0] [2] [0] [0] [0] (TUNE
INITIALIZE on RADAR 3 menu) and press the [ENT] key. Also, confirm that "2.
MODEL" is set to "FR-2115, 2125" on the INITIAL SETTING 4 menu, following
paragraph 3.2 and then pressing [RADAR MENU], [0],[0],[0],[2],[0],[0],[0]. Trouble
may result if the setting is wrong.
3.2 Accessing Menus for Initialization and Adjustment
To access them do the following:
1. Turn on the power.
2. Press the [RADAR MENU] key five times while pressing and holding down
the [HL OFF] key. A beep sounds to confirm operation.
Restoring default settings
1. Press [RADAR MENU] [0] [0] [0] [2] [0] [0] [0] to display the INITIAL SETTING
4 menu.
2. Press the [0] key to select FACTORY DEFAULT.
3. Press the [ENTER] key five times, and turn the power off and on again.
4. "Initializing" appears during restoring. It takes about 90 seconds to restore the
default settings, after which the normal display appears. Confirm that
"2. MODEL" is set to "FR-2115,2125" on the INITIAL SETTING 4 menu.
3.3 Adjusting Video Signal Level
When the signal cable is very long, the video amplifier input level decreases,
shrinking target echoes. To prevent this, confirm (and adjust if necessary) video
amplifier input level.
1. Connect an oscilloscope to TP6 on the INT Board (03P9252) in the display
unit.
2. Transmit on the 12 nm range.