JRC ALPHAMIDICOURSE Mk2, Installation And Operation Manual

Page: 55 / 99

55 | Operation
2.5.5 Synchronization of the Repeater Compass
Note ¹When the repeater is a serial signal type, this operation is not required, because it will synchronize
automatically. However, ensure that the displayed value coincides with the True Heading selected by this system
after the repeater switch is turned "ON".
After the last azimuth operation has been completed, the repeater signal and the serial signal are sent.
Bearing Repeater Compass
Prior to synchronization of the Master Compass carry out the Repeater Stepper Output Check (Test Mode B).
To stop the master compass. See paragraph 2.10 Turning the Gyro Compass OFF.
The phantom ring starts rotating 360˚
.
The Sensitive Element rotor should have stopped spinning completely (approx. 4 minutes), for preparation of the various
tests and adjustments.
1. Press the DISP + SET buttons and POWER on the operating panel simultaneously, briefly an audible alarm will sound.
2. Last azimuth (the Master Compass rotates for 36
0 ˚).
Last bearing will be displayed with a flashing t-b, see below example:
3.
Set 0˚, 90˚, 180˚ and 270˚
by pressing the
▼ ▲
buttons and press ACK/ENT .
Note Step signals reception instrument (repeater compass) should follow up within
0.5˚.
Note Serial repeaters should follow up within
0.5˚.
Note if needed, follow up of the repeaters can be filled in Check Sheet, refer to paragraph 6.2.
4. Turn "OFF" each repeater switch.
5. Adjust it to the Gyro Compass True Heading.
6. Turn "ON" the Repeater Switch.
7. When all repeaters follow up correctly, restart the AlphaMidiCourse Mk2.