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Table 3-1 general checks (con’t)
Check Item Check point, Rating
Wiring check
• All cables are correctly connected.
• All lead wires are tightly fixed with contact
pins or crimp-on lugs.
• All screws are firmly fastened.
• Cables are firmly secured.
• Cables shields are properly grounded.
Rejecting source of noise and
interference
• Noise generating machinery (motor,
radiotelephone, TV set, etc.) are not placed
nearby.
• Magnetic devices are not placed in the
vicinity of display unit.
Earth
• Each unit is grounded with a copper strap.
Ship’s mains voltage
• Ship’s mains voltage is stable 12, 24 or 32
VDC.
Watertightness
• Water should not leak from the main body
flange or along the main shaft.
3.2 TX Frequency Checking
Check the TX frequency after the installation.
1. Press the [MENU] key to open the user menu.
2. Press the cursor pad to select SYS at the top of the menu display.
NOYES
: SELECT
: CHANGE
MENU: END
MENU
COM1 COM2 HORZ VERT ES SHORT-CUT SYS
GO TO SYS MENU
User menu (SYS)
3. Press the [] to select GO TO SYS MENU.
4. Press the [] to select YES to display the system menu.