12
Power On and Confirm Connections
HELIX Series
1. Press and hold the VIEW key.
2. Select System > GPS Diagnostic View.
Confirm that GPS + Heading Sensor (optional) are listed as Connected. See the illustration
HELIX Accessory Test
.
3. Press and hold the VIEW key.
4. Select System > GPS Diagnostic View.
Confirm GPS Fix Type
is shown as Enhanced or 3D.
Confirm that the latitude/longitude position
readout is displayed.
NOTE:
If the GPS Diagnostic View or Accessory Test is not displayed in the View Rotation, press the MENU key twice to open the Main Menu.
Select the Views tab > GPS Diagnostic View or Accessory Test. Change the setting for each view to Visible.
Fix type
should be 3D
or Enhanced
External GPS
detected
Reviewing GPS Reception
active satellite signal strength (yellow)
monitored
satellite signal
strength (gray)
longitude position
latitude position
GPS Reception:
The sky chart displays the satellite number and signal strength bar.
GPS Fix Type:
reported as No Fix, 2D Fix, 3D Fix, or Enhanced. An Enhanced Fix has been augmented using information from WAAS,
EGNOS, or MSAS.
HDOP (the Horizontal Dilution of Precision):
a GPS system parameter which depends on the current satellite configuration. HDOP
is used to calculate the Estimated Position Error.
NOTE:
To manually change your GPS source, change the output frequency, or turn on GLONASS, see your control head operations manual.
