PROMETHEUS PATHWAY MR-20 User Manual

PATHWAY
®
MR-20 OPERATOR’S GUIDE
46
1. Test the Pathway
®
Preamplier (Part #2583), as it may be worn:
Erratic Readings
“My Pathway
®
MR-20 is giving me unstable readings and I don’t
know what’s wrong?”
A. Perform a preamplier test to verify that both cables are functioning
properly. This is done by simply testing one cable at a time using a
Pathway
®
Electrode (Part #6750) placed on the forearm.
B. With arm laying on desk palm side up, place one Pathway
®
Electrode (Part #6750) in the center of the forearm parallel to the
muscle ber of the arm.
C. Connect one Pathway
®
Preamplier (Part #2583) cable to the
Pathway
®
Electrode (Part #6750) and the other end to into the
EMG A input jack. Leave EMG B open (no cable connected).
D. Hang arm loosely at side and observe what the (REST) reading is for
EMG A.
E. Contract muscle and observe what the (WORK) reading is for EMG A.
F. With arm hanging loosely at the side and the Pathway
®
Preamplier
(Part #2583), plugged into the device, gently wiggle the area where
the heat shrink tubing (plastic straw), meets the cable as it comes
out of the device to see if readings are inuenced.
CHAPTER 3: TROUBLESHOOTING

PROMETHEUS PATHWAY MR-20 Specifications

General

Brand	PROMETHEUS
Model	PATHWAY MR-20
Category	Control Systems
Language	English