Garmin GPSMAP 441s Owner's Manual - Page 9

Initializing Unit Settings, AIS Alarm Time

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Initializing Unit Settings The first time you turn on your unit, configure the initial settings. Note: You can change these settings later using the Configure screen (page 6). Language-select the language to display on the screen. Welcome-select OK. Store Demonstration-select NO. (This option is only available the first time the unit is turned on.) NMEA 0183 Devices-if you have NMEA 0183 devices connected to a serial port, specify which ports are connected. AIS Receiver (not available if you select None for NMEA 0183 Devices)-Select Yes if one of the devices connected to a serial port is an AIS (Automatic Identification System) receiver. Position Format-specify the coordinate system to use for location readings. Time Format-specify whether you want the time shown in a 12‑hour, 24‑hour, or UTC (Universal Time Coordinated) format. Time Zone-set the time zone you want displayed for time readings. If Auto is selected for the Time Zone, the DST option is not available and is automatically set to Auto. GPSMAP 400/500 Series Owner's Manual Getting Started System Units-specify units for on-screen measurements as Statute, Metric, or Nautical, or select Custom to individually define units of measure for depth, temperature, distance, speed, elevation, volume, and pressure. Minimum Depth-select the minimum safe depth for your boat. Refer to your boat specifications for more information. Shallow Water Alarm-only available if you are receiving sonar depth data. Select Yes or No. Overhead Clearance-select the minimum overhead clearance for your boat. Refer to your boat specifications for more information. AIS Alarm Range (not available if you select No for AIS Receiver)-select the distance within which an alarm will sound if an AIS vessel nears your boat (page 56). AIS Alarm Time To (not available if you select No for AIS Receiver)-select the time within which an alarm will sound if an AIS vessel is on track to intersect the Safe Zone around your boat (page 56). If a water speed wheel is detected, a message will ask if you want to calibrate it now. Select Yes or No. 

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GPSMAP 400/500 Series Owner’s Manual
²
Getting Started
Initializing Unit Settings
The first time you turn on your unit, configure the initial settings.
NOTE:
You can change these settings later using the Configure
screen (
page 6
).
Language
—select the language to display on the screen.
Welcome
—select
OK
.
Store Demonstration
—select
NO
. (This option is only available
the first time the unit is turned on.)
NMEA 0183 Devices
—if you have NMEA 0183 devices connected
to a serial port, specify which ports are connected.
AIS Receiver
(not available if you select
None
for
NMEA 0183
Devices
)—Select
Yes
if one of the devices connected to a serial port
is an AIS (Automatic Identification System) receiver.
Position Format
—specify the coordinate system to use for location
readings.
Time Format
—specify whether you want the time shown in a
12-hour
,
24-hour
, or
UTC
(Universal Time Coordinated) format.
Time Zone
—set the time zone you want displayed for time
readings. If
Auto
is selected for the Time Zone, the DST option is
not available and is automatically set to
Auto
.
System Units
—specify units for on-screen measurements as
Statute
,
Metric
, or
Nautical
, or select
Custom
to individually
define units of measure for depth, temperature, distance, speed,
elevation, volume, and pressure.
Minimum Depth
—select the minimum safe depth for your boat.
Refer to your boat specifications for more information.
Shallow Water Alarm
—only available if you are receiving sonar
depth data. Select
Yes
or
No
.
Overhead Clearance
—select the minimum overhead clearance for
your boat. Refer to your boat specifications for more information.
AIS Alarm Range
(not available if you select
No
for
AIS
Receiver
)—select the distance within which an alarm will sound if
an AIS vessel nears your boat (
page 56
).
AIS Alarm Time To
(not available if you select
No
for
AIS
Receiver
)—select the time within which an alarm will sound if an
AIS vessel is on track to intersect the Safe Zone around your boat
(
page 56
).
If a water speed wheel is detected, a message will ask if you want to
calibrate it now. Select
Yes
or
No
.