San Jose Technology NB-5, User Manual, Page: 31 / 47

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• 1..90: from -115 dBm to -26 dBm with 1 dBm steps
• 91: -25 dBm
27 ecn0_lev
Energy per Chip/Noise ratio expressed in dB levels:
• 0: less than -24 dB
• 1..48: from -24 dB to 0.5 dB with 0.5 dB steps
• 49: 0 dB
Appendix 2: Tracker Event List
This table shows the different events/ messages sent from the device.
Basically, there are more than 10 different situations that trigger the device to respond its position and tracker
status messages as the following.
Event Description
AUTO
When the device is set to report to assigned route in a given period of time, it will
send a report automatically with an AUTO message.
When any other event such DT and ST message is triggered and the priority is
greater than AUTO, the AUTO report will suspend. The AUTO report recovers until
the Alarm-OFF command has been sent and the Alarm status ends.
POLL
When the device has received the POLL command, the POLL message will be sent
immediately.
ST
When the equipment fiber optic loop is opened (strap cut or broken), it triggers
the “ST” event.
DT
When the equipment reed switch is opened (the equipment case), it triggers the
“DT” event.
PLUG
When the equipment is plugged in charger for more than 4 seconds, it triggers
the “PLUG” event.
UNPLUG When the equipment is unplugged from charger, it triggers the “UNPLUG” event.
CHOK
When the equipment is fully charged, the CHOK message will be sent once.
When the equipment is unplugged from charger, the device will detect whether it
is fully charged. If so, the CHOK message will be sent once as well.
CHFL
When the equipment is unplugged from charger, the device will detect whether it
is fully charged. If not, the CHFL message will be sent.
LP When the equipment is in low power, it triggers the “LP” event.
LP2
When the equipment is in the lowest power, it triggers the “LP2” event and then
shut down.