This controller was designed to be used with a Pulsar-2 mount controller, with a Gemini G42+ Observatory mount. The Pulsar-2 can be used with other mounts and in fact the G42+ is now discontinued, replaced by the G53F, which still uses the Pulsar-2.
It provides an improved way to perform several functions on the Pulsar-2:
• a power switch for the DC supply;
• a connection to the AUC port (which can function both as a dedicated GPS port or as a serial port), with a switch to select each function;
• an interface to an emergency switch-off line (also carried on the AUX port).
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