User guide

User Guide
21
Scan (5,Sec,3,0)
'Activate Iridium Modems at Noon & Midnight Daily for 15
minutes each time.
'Allow modem warm-up time & check settings (5 minutes) & data
transmissions (10 minutes)
' *** Use intervals that are applicable for your application
***
If TimeIntoInterval (715,720,Min) Then PortSet (1,1)
If TimeIntoInterval (10,720,Min) Then PortSet (1,0)
'Allow the modem 1 minute for warm up before sending
settings. Once settings are
'sent to the modem allow another 4 minutes to ensure the
modem is registered on
'the network before attempting communications.
If IfTime (716,720,min) Then configure_modem = true
If configure_modem = true Then
SerialOpen (ComME,19200,0,0,2000)
Delay (0,1,Sec)
'Send the correct settings
SetupStr = "AT&F0 S0=1 &D0 +IPR=6,0 V0 &K0 &W0 &Y0" &
CHR(13) & CHR(10)
SerialOut (ComME,SetupStr,"",0,0)
configure_modem = false
SerialClose (ComME)
EndIf
NextScan
EndProg
7. Troubleshooting Tools and Tips
Problem: I have intermittent successful connections between the remote and base
station modem. The signal strength is weak and the data transfer speeds are slow.
Solution: The antenna may not have a complete 180° view of the sky. Some objects
and debris such as snow and trees can interfere with communications. Make sure that