MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 4
Operation Manual
Installation
0093142122-11
4-19
Please perform the following adjustment with entering the maintenance mode by
press MODE key and power on ;
1. Set the range scale to 12NM and above to watch a land or a mountain on the
screen with pressing the range[+] key.
2. Select the TUNE item from the DISP/ ECHO menu, then set it to AUTO.
3. Enter the adjustment state with selecting the AUTO TUNE from the ADJUST/
PRESET menu.
4. Change the value with control the joystick to get the maximum echo visibility on the
screen.
5. Press ENT key to fix the adjustment.
4.7.2 Transmission timing
SYSTEM MENU: SYSTEM SETUP/DELAY
Adjusts the transmission delay time in order to match the timing of radar transmission
and the start of the radar sweep. In practice, refer to the following figures that illustrate
the result of the setting, whether it is properly adjusted or not. To effectively perform
this setting, find an appropriate nearby object that is straight across from your radar.
Carry out the following procedure to set up the proper transmission delay time.
(1) Highlight the DELAY item and press the ENT key to set up the selection-ready
status.
(2) Press the Joystick towards the up or down until a straight video line is shown on
the screen.
(3) Press the ENT key to fix the settings.
Delay time too short
Delay time appropriate
Delay time too much
Figure 4.18 Echo presentation depending on the transmission delay timing
