Transmit Cycle; Frequently Asked Questions - Vaisala HMT140 User Manual

HMT140 User Guide
6.5 Transmit Cycle
In Transmitter mode, it can take up to five seconds for the transmit cycle to complete. Transmit
time is calculated from when the SERVICE button is pressed to when the acknowledgement is
received from the host.
6.6 Frequently Asked Questions
Is the connect time too long?
If the connect time to the network is consistently long (over five seconds), the HMT140 may
not be able to connect to the network. If you suspect the connect time to the network is long:
1. Use the Test Connect Time tool (see
2. Use a PC to connect to the network and then measure the time it takes to connect.
3. If the network consistently takes longer than five seconds to connect, you may need to
adjust the settings:
• Set the Connect Window to a longer value (use the Connect Time tool to help
determine this value) or,
• Change a connection component like channel Auto Find or DHCP.
Extending the connect time may decrease battery life.
Why can't I connect to the wireless network?
1. Verify that the network exists.
2. Verify signal strength. Use the built-in signal strength meter. Determine if adequate signal
strength exists at that location. See
3. Verify your network settings.
4. Make sure the router or Access Point accepts connections of 1 Mbps. Some access points
may be set up to exclude certain WLAN data rates. You may have to change the WLAN
data rate setting in the HMT140.
5. If the HMT140 was previously connected at one location, but will not connect at the new
location, temporarily move it to the previous location and verify operation. It is also
possible that a setting on the network has changed.
I can connect to the network, but cannot obtain a dynamic IP
address
1. Verify your network settings.
2. Verify that you are connected to the right network.
3. Use the Ping from PC function in the HMT140 Utility to see if your PC can ping an address
on that network (your PC must be connected to that network).
50
Determining Connection Problems (page
Signal Strength (page
M211488EN-G
49).
38)), or,