Nikon UT-1 User Manual page 58

Network Status
The status of the link between the host and the UT-1 is shown by
the status LEDs and by the display in the top level of the wireless
transmitter menu.
The Status LEDs
The POWER LED lights when the UT-1 is on.
Signal quality is shown by the LINK LED: the
faster the LED flashes, the better the signal
and the faster data can be transmitted. The
ERROR LED flashes to show that an error has
occurred.
UT-1 off
USB cable not connected
Connecting to host
Waiting to send or sending data
Connection error
UT-1 hardware or battery malfunction
46
Using the UT-1 with a Computer
Status
Status LEDs
POWER LINK
I (off ) I (off )
K (on) I (off )
K (on) K (on)
K (on) H (flashes)
K (on) I (off )
H (flashes) H (flashes) H (flashes)
ERROR
I (off)
I (off)
I (off)
I (off)
H (flashes)