User's Manual

RT System 2 v2.3 163 Deployment Guide R01.i

D. LED Indicators

This chapter provides the possible LED status and error indicators for WRUs and LIUs.

The WRU has three possible states; undeployed, deploying, and deployed.

When tilting the WRU to deploy, re-acquire GPS, or check status, tilt the WRU geophone

down until the LEDs light, and then return the WRU to the horizontal position as shown

in the following figure:

When tilting the WRU to undeploy, tilt the WRU geophone up until the LEDs light, and

then return the WRU to the horizontal position as shown in the following figure:

D.1 WRU Undeployed

When the WRU is undeployed, all of the LEDs are off. A vertical tilt has the following

effect:

i Geophone Down – WRU deployment

i Geophone Up – No effect; nothing happens

Figure D–1 WRU Down-Tilt Action

Figure D–2 WRU Up-Tilt Action