Service
Page 4-3
Cybex 750A/750AT Arc Trainer Service Manual
Service Diagnostics
Service diagnostics allows testing, monitoring or altering of unit controls and performance.
Open service diagnostics from Count Down, Lock, ID Entry or Dormant modes. Press PAUSE/END key to
exit.
Press CLEAR, key in 8-8-8 and press ENTER.
LED TEST
A quick LED test begins with lighting the following for three seconds each.
1. Bar Graph Matrix (BGM) LEDs
2. Text Area
3. Data Readout LED
“Key Test” will then be displayed.
KEY TEST
Test each key by pressing once. Each key press is recognized with a beep. If key is held, beep is
repeated or stuck key is indicated.
Press PAUSE/END to exit test and move forward in Test Mode.
STATIC I/O
“STATIC I/O” is displayed in Text Area.
1. Check software version
SHIFT/SCAN key displays the model and software version of the unit “750A VX.YY”.
X=Major Version and .YY=minor version.
2. Test heart rate display
Grasp heart rate grips to verify heart rate LED blinks and “CHR” is displayed. If testing
wireless heart rate, “WHR” displays.
3. Test Controller Communication
The two lower left decimal points of the incline/clock display blink to indicate receiving (left)
and transmitting (right) communication signals.
4. Test Network Communication
The upper right decimal points of the incline/clock display blink to indicate receiving (left) and
transmitting (right) CSAFE and/or AV Port Communication signals.
5. Repeat Display Test
Push PROGRAMS key to light up the entire Bar Graph matrix and Red RGB for three
seconds.
Push MANUAL key to light up the entire Text Area and Green RGB for three seconds.
Push ADVANCED key to light up the entire enunicator, Blue RGB and 7-segment displays for
three seconds.
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