Hemisphere GPS A221 User manual

Menu Map
Available tasks:
*view position status
*view individual satellite data
*configure GPS options - elevation mask and DGPS age
*select the communication port data output
Available tasks:
*view SBAS signal status
*view satellite status
*select the differential source
Available tasks:
*set a reference point
*modify radio channel
Available tasks:
*save a receiver configuration
*recall a saved configuration
*delete a saved configuration
Available tasks:
*display the receiver applications
*change the display format (update rate and units)
*set the baud rate
Available tasks:
*start logging
*end logging
*name the log
*include receiver details in the log
*select the log file type [CSV (Microsoft Excel), Raw
(binary), or KML (Google Maps)]
Warning! Disk must be inserted to log data.
A221 Smart Antenna
Quick Reference Guide
Part Number: 875-0237-0000
The Display
Viewing LED status
Main Menu
GPS Menu
SBAS Menu
Configuration Wizard
Base Station Menu
System Setup Menu
Data Logging Menu
LED Function
Power
Power On
GPS
GPS position calculated
(Blinking LED indicates acquiring data)
DGPS
DGPS lock
(Blinking LED indicates broadcast or
reception of a differential correction
from the optional radio)
Scroll up
Enter
Scroll down
LEDs (see below)
Main menu
Tip: To enter alphanumeric characters in an entry field,
use the up and down arrow keys to scroll to the desired
character and press the enter key to select it.

How To: Setup
Selecting the Differential Type
1. Selec t SBAS from the
main menu.
2. Select Diff and select the
desired differential
source.
3. Press Enter to save.
Entering a Subscription Code
1. Selec t System Setup
from the main menu.
2. Select Subscription.
3. Enter the subscription
code.
4. Press Enter to save.
How To: Operation
Quick Start
The A221 Smart Antenna is ready to use right out of the
box. The default settings are:
• differential source: WAAS (SBAS)
•units:metric
To change the default settings, use the System Setup
menu or refer to the User Guide for further help.
1. Power the A221 Smart Antenna. The antenna is
automatically “on” upon connecting a power source.
Tip: The red LED indicates power is on.
2. (Optional) Select the
Configuration Wizard
and GPS menus to
change receiver
configuration parameters
if desired.
3. (Optional) Prepare to log
job data. Insert a USB
memory stick and use the
Data Logging menu to
set logging details.
Warning! Disk must be inserted to log data.
4. Wait for GPS and DGPS lock. The A221 Smart Antenna
typically takes less than 60 seconds to achieve a
position lock.
Tip: The green LED indicates you are ready to start the job.
5. Begin working!
Additional/Optional Features
Using RTK Mode
The A221 Smart Antenna automatically uses the current
location as a reference point.
Tip: To set an alternate reference point, select Reference
from the Base Station menu.
1. Place the base station at least 1 meter (3 feet) away
from the rover radio, with an unobstructed view of the
sky.
2. Place the base station at least 50 meters (160 feet) from
any obstructions.
3. Set the base station and rover to the same radio
configuration.
4. Begin working!