MicroStrain, Inc.
23
Device Status LED
The SG-Link® OEM has an LED indicator near the edge of the front face at DS1. The
LED signals the various operating states of the SG-Link® OEM to the user.
Figure 6
When the SG-Link® OEM is switched on, the
green
Device Status LED will rapidly
flash several times and in a moment, begin ‘throbbing’ on and off every 1 second. The
rapid flashes indicate a successful boot-up. The ‘throbbing’ indicates that the SG-Link®
OEM is active and in an idle state.
The Device Status LED has several states during
normal
operation:
State LED
appearance
Booting up
Rapidly flashes 10 times when power is
applied/recycled
Active and idle
‘Throbbing’ on and off every 1 second
Datalogging Illuminates
continuously
Streaming Illuminates
continuously
High Speed Streaming
Illuminates continuously
Low Duty Cycle
Blips on/off based on sampling rate
Ping
Blips on/off once for each ping
Range Test
Blips on/off at high rate giving appearance
of continuous illumination
Read/Write EEPROM
Rapidly flashes several times
Sleep
Faint blip on/off based on Check Radio
Interval
Table 9
The Device Status LED has several states during
error
operation:
State LED
appearance
Radio error
Blinks slowly 4 times on boot-up
On-board 2MB flash memory error
Blinks slowly 5 times on boot-up
Table 9A
