GNSS Module Series
LC29D EVB User Guide
LC29D_EVB_User_Guide 13 / 22
3.7.
Operation Status Indication LEDs
L1
L4
L2
L3
L5
L6
L6
Figure 8: Operation Status Indication LEDs
Table 4: Operation Status Indication LEDs
SN.
Name
Description
L1
STATUS
Indicate the module operating status.
L2
NETLIGHT
Flicker slowly (200 ms High/1800 ms Low): Network searching.
Flicker slowly (1800 ms High/200 ms Low): Idle.
Flicker quickly (125 ms High/125 ms Low): Data transfer is ongoing.
Always high: Voice calling.
L3
POWER
EVB power indicator.
L4
LC29D_PWR LC29D module power indicator.
L5
1PPS
Flash: successful fix.
Extinct: no fix.
L6
TXD
Flash: the module is turned on successfully and can output NMEA
messages.