User's Manual

FIELD EQUIPMENT
NUSEIS
Geophysical Technology Inc Field Equipment Page | 23
▪ The NRU will have to be Deployed with a NuSite device before it will start to
acquire GPS and subsequently start to record.
o If shutdown in undeployed state, and commissioned with AutoDeploy option
▪ White LED will flash
▪ Green LED will flash 5 times
▪ NRU will acquire GPS and go through self tests, flashing white LEDs
▪ Green LED will flash 5 times as it starts recording
Bump Tool
• The bump tool consists of a hard plastic cup similar to the Data Management and Charge Panel
cups. There is a plastic enclosure connected to the bottom of the cup which contains the 9V
battery.
Figure 13
• The tool is used by sliding it onto and off of the NRU in a smooth motion.
o Make sure the spring rings of the tool are not damaged
o Align the tool with the NRU and keep it straight in line with the NRU during use.
o Do not hold the tool on the NRU as the NRU will detect the voltage as a charge voltage
and will not Auto-Deploy as it will configure itself for charging and not recording.
o Bumping should be done in 1 smooth motion onto and off of the NRU in 1 motion.
o Do not slam the tool onto the NRU as that could damage the tool.
o Battery voltage should be checked daily to ensure the battery has not drained too much.