1-4j. RCO, Call indication (practice): Difference between revisions
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=== Exercise === | === Exercise === | ||
''' | '''Private Ringing indication''' | ||
*When calling the Main Guard in private ringing mode, a lamp controlled by the relay in the station should be activated when the private ringing starts. (The Main Guard is in “Private” mode). | *When calling the Main Guard in private ringing mode, a lamp controlled by the relay in the station should be activated when the private ringing starts. (The Main Guard is in “Private” mode). | ||
*The lamp should be turned off when the private ringing stops. | *The lamp should be turned off when the private ringing stops. | ||
Revision as of 14:41, 29 June 2016
Exercise
Private Ringing indication
- When calling the Main Guard in private ringing mode, a lamp controlled by the relay in the station should be activated when the private ringing starts. (The Main Guard is in “Private” mode).
- The lamp should be turned off when the private ringing stops.
- Use logical RCO 10 to operate the relay