Impex IRON GRIP SPORT GB-3006AP Owner's Manual page 13

D. TECHNICAL NOTES:
1. The PULSE rate will be displayed after detecting 4 stable pulse signals.
2. Each pulse is a signal and will be accompanied with one "♥" symbol flashing.
3. If no PULSE detected for over 8 seconds, the CPU will turn off the pulse circuit automatically.
This is a power saving measure and you can press START / STOP key to restart the pulse function.
FUNCTIONS
TIME
SPEED
DISTANCE
CALORIE
AGE
PULSE
E. LCD CONTRAST CALIBRATION:
1. During STOP mode, press and hold the ENTER & ＋ keys simultaneously for over 2 seconds
to enter LCD CONTRAST CALIBRATION mode.
2. Press ＋ or － keys to adjust the LCD contrast to be lighter or darker.
3. After completion the CALIBRATION, press START / PAUSE key to exit.
DISPLAY VALUE
00:00 - 99:59 (COUNT UP)
05:00 - 99:00 (COUNT DOWN)
0.00 - 99.9 KPM or MPH
0.0 - 999.9 KM or MILE
0.0 - 99.9 - 100 - 999 K.cal
1 - 99
39 - 240
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