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The dimensions of the GHC 50 instrument without its sun cover are 105 mm (height) x 140 mm (width) x 51 mm (depth).

The weight of the GHC 50 instrument with its sunshade is 375 g.

The GHC 50 instrument is designed to operate within a temperature range from -15°C to 55°C (5°F to 131°F).

The GHC 50 instrument housing is made of fully waterproof polycarbonate. The lens is glass with anti-reflective and anti-fingerprint coating.

The GHC 50 instrument has an IEC 60529 IPX7 waterproof rating. This means it can withstand accidental immersion in water up to 1 meter for a maximum of 30 minutes.

The GHC 50 screen has a brightness of 1200 cd/m² (NIT), ensuring excellent readability even in full sunlight.

For flush installation, you will need the following tools:

A drill with 9 mm (3/8 in), 2.5 mm (3/32 in), 3.5 mm (9/64 in), and 4 mm (5/32 in) drill bits.A #2 Phillips screwdriver.A jigsaw or rotary tool.A file and sandpaper.Marine sealant (recommended).

To avoid interference with a magnetic compass, the GHC 50 instrument must not be installed within 20 cm (7.87 in) of it.

When selecting a mounting location, consider the following:

The location must be at or below eye level for optimal viewing.The mounting surface must be strong enough to support the device's weight and protect it from excessive vibration or shock.There must be sufficient space behind the mounting surface for cable routing and connections.The mounting surface must be flat to prevent damage to the device.

The GHC 50 instrument is powered by the NMEA 2000 network. A separate power connection is not required for the device itself.

Yes, the GHC 50 can be connected to Garmin Marine Network devices using a 9-pin Garmin Marine Network cable (sold separately). While this connection is not required for autopilot operation, it is recommended for software updates if a Garmin chartplotter is present on the network.

No, the GHC 50 instrument cannot be updated using only an NMEA 2000 network connection. A connection to the Garmin Marine Network, typically via a Garmin chartplotter, is required for software updates.

The GHC 50 must be connected to the same NMEA 2000 network as the other autopilot components (such as the autopilot ECU, SmartPump, or CCU) for the autopilot system to function properly. It is compatible with hydraulic, mechanical, and SmartPump models.

To avoid damaging the device, it is essential to use only the screws included for mounting. Using screws other than those supplied will void your warranty.

For flush mounting, you have two options depending on the mounting surface material:

Drill pilot holes and use the included wood screws.Drill holes and use the included nut plates and machine screws. The nut plates can add stability to thinner surfaces.

No, if a NMEA 2000 network already exists on your boat, only one NMEA 2000 power cable is required for proper network operation. You should not install an additional NMEA 2000 power cable.

The NMEA 2000 input voltage for the GHC 50 must be between 9 and 16 Vdc.

Yes, if you will not have access to the rear of the unit after installation, it is recommended to connect all necessary cables to the device before placing it in the cutout.

The limited warranty does not cover:

Cosmetic damage (scratches, nicks, dents).Consumable parts such as batteries, unless the damage is due to a defect in materials or manufacturing.Damage caused by an accident, abuse, misuse, water, flooding, fire, or other natural disasters or external causes.Damage caused by service performed by a provider not authorized by Garmin.Damage to a product modified or altered without Garmin's written authorization.Damage to a product connected to power and/or data cables not supplied by Garmin.