RT 77 SECONDARY FUNCTIONS
Secondary screen functions include Average Cadence and Maximum Cadence. To access, press and hold
Button #1 while in the SPD/CAD screen mode. Press Button #2 to switch between AVG/CAD and
MAX/CAD readings. Press Button #1 to return the primary SPD/CAD screen mode.
AVG/CAD
RT 77
Average Cadence is displayed in the AVG/CAD screen mode. It is calculated by
dividing total revolutions by total ride time.
Reset to zero manually by pressing
and holding Buttons #1 and #2 simultaneously for two seconds in the SPD/DST
screen mode.
Maximum Cadence is displayed in the MAX/CAD screen mode. It is updated once per
second based on current RT and Cadence readings.
Reset to zero manually by
pressing and holding Buttons #1 and #2 simultaneously for two seconds in the
SPD/DST screen mode.
MAX/CAD
RT 77
ALL CLEAR RESET
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All Clear Reset: Remove battery and reinstall. When you remove the battery all data and all time and
odometer settings will be cleared. When battery is reinstalled, computer will automatically enter the
Setup program.
INSTALLATION PROCEDURES
Wired
Speed Sensor
Wired
Speed Sensor
Fork Leg
Spoke Magnet
Spoke
Magnet
Spoke Magnet
Spoke
Magnet
Sweep Path
Zip Tie
Spacer
Spoke
Magnet
Spoke
Spacer
Tip
Alignment
Mark
Fig. A
WIRED SPEED SENSOR & MAGNET
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Rider can freeze Distance, Ride Time, Average Speed and Maximum Speed readings at any time by
pressing Button #1 for two seconds while in the SPD/DST or SPD/RT screen modes. Display flashes to
indicate it has been frozen. Saved data can be scrolled and reviewed by pressing Button #2. Press Button
#1 to return to DST or RT screens.
FREEZE FRAME MEMORY
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