Installing a Passive Speaker (Optional)
1.Follow the mounting instructions provided by the manufacturer of your passive speaker if it is not already mounted.
2.Consult the manufacturer of your passive speaker to identify the positive and negative speaker wires or terminals.
3.Use the GHS 10 Cable
4.Wire the correct positive and negative wires from the GHS 10 cable to the passive speaker.
5.Use at least 22 AWG wire for extended runs of wire, if needed.
Device | Wire Color | Function |
GHS 10 cable | Yellow | Speaker positive (+) |
| Green | Speaker negative |
GHS 10 Cable
Notice: Cover the connections with a waterproof, adhesive tape, such as rubber vulcanizing tape, to prevent water from seeping into the radio.
Installing the Bulkhead Pass-Through Plate
1.Route the GHS 10 active speaker cable (or the GHS 10 cable) to the location you want to install the bulkhead
2.Drill a 1 in. (25 mm) hole in the location at which you want to pass through the bulkhead.
3.Place the bulkhead
4.Drill the three 1/8 in. (3 mm) pilot holes.*
5.Connect the bulkhead
6.Remove the nut and connector cover from the GHS 10 cable (or the active speaker cable) and feed the connector through the bulkhead
7.Place the GHS 10 connector cover over the connector.
8.Use the nut to fasten the connector to the bulkhead
➌
➊ ➋ ➍➏➐
➎
➊To the VHF 300 series transceiver box, or to the active speaker (cable dependent)
➋To a passive speaker (GHS 10 cable only)
➌ Bulkhead
➍ Bulkhead
➎ GHS 10 connector cover
➏ Nut
➐ M3.5 × 20 mm screws
Installing the Bulkhead
Mounting the GHS 10 Hanger
Using the GHS 10 hanger as a template, mark and drill 1/8 in. (3 mm) pilot holes.* Use three of the included 3.5 × 20 mm, panhead mounting screws to mount the hanger in a convenient location near the bulkhead
Connecting the GHS 10
After you install the bulkhead
Connecting the VHF 300 Series Radio to a Chartplotter (Optional)
You can connect the VHF 300 series radio to a chartplotter so that data such as DSC information can be displayed on the chartplotter. Additionally, the radio can use location information from the GPS function of the chartplotter for position reports, and so forth.
You can connect the VHF 300 series radio to a NMEA 2000 network to access a NMEA
* A 1/8 in. (3 mm) pilot hole is nominal for plywood. Different dashboard materials my require a different size pilot hole.
VHF 300 Series Installation Instructions