Setting Up After Installation; Auto Tune Adjustment - Koden MDC-1840BB Operation Manual

Chapter 4 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Installation

4.7 Setting up after installation

A few set ups are required after installation. Before carrying out the setting up
procedures, check the following items in order to make sure the equipment operates
in normal manner:
(1) Check that the ship's power supply is properly rated to operate the radar system.
(2) No person is present near the platform or on the mast where the radar antenna is
to be operated. Put a warning tag on the display unit that reads, "RADAR
ADJUSTMENT IN PROCESS. DO NOT TOUCH ANY CONTROLS".
NOTE: The following setup menus are protected from ordinary key operations. To
use this function, first turn off the radar set. Second, press and hold the MODE key
and turn the radar on. When the standby condition is established, turn the radar on
to enter the following menu functions.
NOTE: When operating the radar, the following error message happen to be
indicated on the screen in case of the first power on the radar after installation, or
leave the radar switched off for a long period;
"MAGNETRON HEATER CURRENT ABNORMAL", or "MAGNETRON
CURRENT ABNORMAL".
ageing the magnetron first as follows.
1. Keep the radar OFF more than 20 minutes to wait the magnetron completely
cold.
2. Power ON the radar. Keep the radar to stand by state for an hour.
3. Transmit the radar at 0.25NM range scale for another one hour. Do not change
the range scale during the hour.
4. If above error message is indicated on the screen during this 0.25NM range
operation, start again from item #1.
If the error message is indicated on the screen and stop the transmission even
finish the ageing with above procedure, some problem may happen on the radar.
Please contact to our local dealer.

4.7.1 Auto tune adjustment

Menu Item: ADJUST/ PRESET/ AUTO TUNE
It is necessary to adjust the AUTO TUNE for the best radar performance when
installed the radar, or replaced the magnetron.
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If the message is indicated on the screen, please
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