A-M Systems 3000 Manual de instrucciones - Página 9
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Typical Set-Up Procedure
The Model 3000 comes with an input cable that connects to the DB15 input. One end of
this cable is left open to allow for maximum flexibility in connecting to extracellular
electrodes. The Model 3000 will function properly in this configuration if the head stage
(
) LED is off.
HEAD STAGE
The Head Stage Probe (optional) connects to the DB15 input and will function properly
if the head stage (
extracellular electrodes to the amplifier. The
amplifier should be used as the system ground in the particular recording medium (e.g.
bath or animal ground). Note: Either the Head Stage
front panel must be connected to provide a return current path. If neither ground is
connected the Head Stage Amplifier will saturate and no signal will be measured.
Care should be taken to keep the power cables from all instruments as far away as
possible from the recording setup. One exception is the DC power cable that supplies
power to the model 3000. This side of the cable is DC and therefore does not carry
disrupting power line frequencies. Proper grounding and shielding techniques
should be used to insure a minimum of interference.
Recording
This is a generalized procedure for setting up the AC/DC Differential Amplifier for
recording. Portions of this procedure may need to be modified for your specific
application.
1. If you are planning on using the Model 3000 with a head stage connect the Head
stage Probe cable to the
2. Set the instrument controls as follows:
HIGH PASS
NOTCH FILTER
LOW PASS
CAPACITY COMP.
DC OFFSET FINE AND COARSE
DC OFFSET (+ OFF -)
knob
GAIN
INPUT (DIFF MONO GND)
A-M Systems
Operating Instructions
) LED is on. The probe is used to connect the
HEAD STAGE
connector.
PROBE
knob
131 Business Park Loop, P.O. Box 850 Carlsborg, WA 98324
Telephone: 800-426-1306 * 360-683-8300 * FAX: 360-683-3525
E-mail: [email protected] * Website:
connector on the front panel of the
GND
PROBE GND
DC
OFF
20 kHz
counterclockwise
counterclockwise
OFF
50
GND
http://www.a-msystems.com
or the
on the
GND
6