GS_GSR_GCR_UserManual_V21.doc / 18.09.2009
GeoSIG Ltd.
GSR / GCR / AS User Manual
Page 3
17
280mm
180m
m
AC
RUN
EVENT ERROR
SENSOR
RS-232
INTERCON
OPTION
POWER
Figure 1. Standard Instrument, top view
Run
This green LED flashes to indicate that the instrument is running.
Event
This yellow LED is illuminated during recording an event. After recording, the LED indicates the
presence of one or more recorded events by flashing.
Error
The red LED flashes if an error or a warning has occurred (e.g. full memory, bad sensor, low battery,
etc.).
3.4. Connectors
The Instrument
has typically five connectors and a screw (when fully equipped), which are arranged in
a row on the front of the housing, as shown on Figure 2. These are labelled, from left to right:
SENSOR, RS-232, INTERCON, OPTION, POWER and (see Appendix B for connector pin-outs).
32m
m
68m
m
Figure 2. Standard Instrument, front view
Some of these connectors are optional and may not exist on every Instrument due to customer
requirements. Some connectors support several optional hardware, which are illustrated in Figure 3.
a
Optional connections may require third party devices and/or services, which may not typically
be provided by GeoSIG.
The standard function of each connector is as follows:
SENSOR (Optional)
The SENSOR
connector is a 7 or 12 pin connector, which is used to connect external sensor(s) to the
