Lowrance NMEA 2000, LMS-334C IGPS User Manual
Pub. 988-0154-561
Using LowranceNET
NMEA 2000 Devices with LMS-334,
LMS-339 & GlobalMap
The instructions in this document address the operation of a
LowranceNET NMEA 2000 network with the LMS-334, LMS-339 and
GlobalMap 3600. The following topics are covered in this document.
NMEA 2000 Menu
• On the GPS and Sonar menus (the GlobalMap 3600 only has a GPS
menu), the NMEA 2000 entry allows you to configure, calibrate
and monitor devices in a LowranceNET NMEA 2000 network. It
also provides access to the Buss Setup, Fuel Management and
NMEA 2000 Alarm menus. NMEA 2000 alarms are addressed in
your unit's manual.
Buss Setup
• From the Buss Setup configuration menu, you can modify the configu-
ration, calibration and advanced option settings of items on the
LowranceNET.
Internal GPS Receiver
• The internal GPS receiver in your unit is a non-network device. That
means GPS data you receive from the unit will not be transmitted
across the network to other network devices. The only way to transmit GPS data across the network is to switch the active antenna setting to read data from an LGC-2000 on the LowranceNET.
3600.
Fuel Management
• The Fuel Management menu allows you to maintain and configure fuel
flow and fuel consumption.
NMEA 2000 Menu
The NMEA 2000 menu, located on the GPS and Sonar menus in your
unit contains three items: Buss Setup, Fuel Management and NMEA
2000 Alarms. NMEA 2000 Alarms are addressed in your unit's manual.
To access the NMEA 2000 menu, press
press
ENT.
1
MENU, select NMEA 2000 and
NMEA 2000 menu (left) with Buss Setup menu (right).
Fuel Management menu (left) with NMEA 2000 Alarms menu (right).
Buss Setup Menu
When Buss Setup is selected, a list of NMEA 2000 devices linked to the
LowranceNET will appear. Engine and Tank configuration options are
located below the NMEA 2000 Devices list, but only will apply to you if
you are using an EP-10 Fuel Flow, EP-15 Fluid Level, EP-50 Storage
Device or an Engine Interface.
Engine/Tank Configuration menu
To set Engine and Tank configuration, highlight ENGINE AND TANK CONFIG.
and press ENT.
1. Scroll through the Engine/Tank options to select the desired configuration and press
2. Tank Select allows you to configure the capacity of each tank individually. Highlight
tank locations: Port, Center or Starboard and press
ENT.
TANK SELECT and press ENT. Use ↑ ↓ Select one of the
ENT.
2
1 Engine/1Tank highlighted on Engine and Tank Configuration
menu (left). Starboard highlighted on Tank Select
menu (center). Tank Size set to 40 gallons (right).
3. To input tank capacity, press → TANK SIZE and press ENT. Use ↑ ↓ to
enter the first number, then press → to the next number. Repeat those
steps until the correct tank size has been entered, then press
ENT. Re-
peat Step 3 for each tank.
4. When the correct tank settings have been entered, press ↑ to Set
Configuration and press
confirm the configuration, press ←|
NMEA 2000 Devices
ENT. A confirmation message will appear. To
ENT.
To configure items from the Buss configuration list, highlight the desired device and press
To change the Device Name:
ENT.
1. Select DEVICE NAME and press ENT.
2. Use ↑ ↓ to change the first character, then press → to input the next
character. When desired name has been entered, press
ENT.
Buss Configuration list (left). Device Configuration menu
for Fuel Flow (center) and Fuel Level (right).
3
To change Location:
1. From device configuration menu, press ↓ to LOCATION and press ENT.
2. Use ↑ ↓ to select the desired location and press
message will appear. To confirm the configuration, press ←|
To change Fluid Type:
ENT. A confirmation
ENT.
1. From the device configuration menu, select FLUID TYPE and press ENT.
2. Highlight the desired fluid type — Fuel, Water, Gray Water, Live
Well, Oil or Black Water — and press
appear. To confirm the configuration, press ←|
To change Tank Size:
ENT. A confirmation message will
ENT.
1. From the device configuration menu, select TANK SIZE and press ENT.
2. Use ↑ ↓ to change the first digit, then press → to the next digit. Repeat those steps until the correct tank size has been entered, then press
ENT. A confirmation message will appear. To confirm the configuration,
press ←|
ENT.
Calibration
Calibrating Fluid level is an important step to ensuring the status of
your tank is correctly transmitted over the NMEA 2000 buss.
For example: if you have an odd-shaped tank, like one that is wider at
the top than at the bottom, the float inside the tank will tell you there
is a half tank of gas when it reaches the midpoint of the tank, regardless of the tank’s actual capacity below the midpoint. That could cause
you to run out of gas more quickly than expected. Whether the Fluid
Type is Fuel, Water, Gray Water, Live Well, Oil or Black Water, calibrating the Fluid Level protects you from unpleasant surprises.
To Calibrate a Device:
From the device configuration menu, press ↓ CALIBRATE and press ENT to
access the Device Calibration window.
2-Point Calibration
2-Point calibration is best for rectangular or square shaped tanks that
allow the fuel level sensor to provide an accurate reading of the fuel
level at the top and bottom of the tank. When you select 2-point from
the Num Pts menu, the Fluid menu will have two options: Empty Level
and Full Level.
1. Highlight
NUM PTS, press ENT and select 2. Press ENT.
4
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