GE MAC 1600, Operator'S Manual

Page: 75 / 162

Stress Testing
2028451-182B MAC™ 1600 7-5
Stress Test Keys
The Stress ECG mode makes use of the double row of stress keys near
the top of the MAC 1600 keyboard, as seen in the following illustration.
Your keyboard may differ slightly from that shown.
001
H Speed/Load Speed of the treadmill or load of the ergometer. For
speed, may be displayed as km/h (kilometers per hour)
or mph (miles per hour) depending on the Speed Unit
selected on the Country Settings window. For load,
displayed in watts.
For more information, refer to “Country Setup” on
page 9-23.
I Grade/RPM The grade for a treadmill, in percent, or the revolutions
per minute for an ergometer.
J METS Metabolic equivalent of the current exercise level.
Feature Description
Key Description
A Pretest Initiates the test.
B Exercise Advances to the EXERCISE phase or to the next stage
within the selected phase.
C Recovery Advances to the RECOVERY phase or to the next
stage within the selected phase.
D Test end Ends the current test. When a confirmation message
appears on screen, press the corresponding function
key.
E Hold stage Maintains the current test stage. That is, it stops
automatic stage sequencing. Press again to return to
stage sequencing.