Kettler CTR 300 Assembly Instructions Manual page 26

Operation
H.R.C Mode
1. Press UP(+) or DOWN(-) to select workout program, choose H.R.C. (Drawing 7) and press ENTER
key to confirm.
2. Press UP(+) or DOWN(-) to select: H.R.C 55 (Drawing 8), H.R.C75, H.R.C 90 or TAG (TARGET H.R.)
(default: 100, Drawing 9) and confirm by pressing ENTER.
3. When select H.R.C 55, H.R.C75, H.R.C 90, console will display preset target value according to
user age. Press UP(+) or DOWN(-) and ENTER to preset workout TIME.
4. When select TAG H.R., the preset value 100 is flashing as Drawing 9. Press UP(+) or DOWN(-)
to adjust value from 30~230 and confirm by ENTER. Preset workout TIME by pressing UP(+) and
DOWN(-).
5. Press START/STOP button to start or stop workout. Press RESET to reverse to main menu.
Drawing 7
Drawing 9
Drawing 8