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Bridge Equipment, Continued
Gyrocompass Repeaters: As you learned in chapter 2, there are
several gyro repeaters located on the bridge. In the SCC, there are
normally two such repeaters for the helmsman to steer the ship by. One
is called the master and receives its signal from the master
gyrocompasses. The other is called the auxiliary and it receives its
signal from the auxiliary gyrocompass. Also, the magnetic compass is
generally located directly behind the SCC where the helmsman can steer
by it, if necessary.
Shifting Steering Control: In emergency situations, steering control
may be shifted to after steering or the secondary conning station. As a
rule, whenever the ship is in restricted waters or conducting underway
replenishment, after steering will be manned by a master helmsman and
helm safety officer. If the helm unit on the bridge were to fail, the
helmsman could immediately shift steering control to after steering.
Step-by-step instructions for shifting steering control vary from ship to
ship. The engineering officer should be consulted for instructions.
SCC Alarms: There are several alarms that are located in or near the
SCC. Among these, the two most important are the loss of steering
alarm and the gyrocompass failure alarm. If either one activates, the
OOD should be notified immediately.
11-6
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