7-7 Install the Microphone Bulkhead Mount

1.Hold the microphone bulkhead mount at the chosen location and use a soft pencil to mark the screw hole positions on the mounting surface.

Ensure that the microphone curly cable will comfortably reach this location BEFORE you drill.

2.Drill the two pilot screw holes where marked.

3.Use a short length Philips screwdriver and the set of two flat screws, spring washers, plain washers, and nuts to secure the microphone bulkhead mount at the location site.

4.Hang the microphone on its mount.

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NOTE: This mic clip has a special magnet glued in the rear of the clip to sense ON/OFF HOOK. Other mic hangers cannot be used.

7-8 Connect the Radio Cables

The connectors are on the rear of the base unit, as follows:

1.GPS connector. Plug the GPS cable jack into the connector. (If you’re not using this, be sure to put the protective cap securely over the connector to protect it from moisture and dust.)

2.Docking Cable connector for optional Handset. Plug the docking cable jack into the connector. (If you’re not using this, be sure to put the protective cap securely over the connector to protect it from moisture and dust.)

3.External Speaker connector. Plug the external speaker cable jack into the connector BEFORE powering on the radio. Use a 4 Ohm 4 Watt external speaker.

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Northstar Explorer VHF Series: 721US, 721EU Operation and Installation Manual

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NorthStar Navigation Explorer 721US, Explorer 721EU Install the Microphone Bulkhead Mount, Connect the Radio Cables