User manual OREGON SCIENTIFIC PM280

[. . . ] With each press of button S1, the selected digits, weekday or 12H/24H to be adjusted (flashing) can be made. Press & hold button S1 for fast setting. With each press of button S3, next digits, weekday or 12H/24H for setting can be selected. The sequence is shown as follow: S3 SECOND S3 12H/24H MINUTE S3 DATE S3 HOUR S3 MONTH S3 WEEKDAY S3 - After all adjustments are completed, press button S4 to exit the setting mode. Remark: 1. [. . . ] "REP" is displayed if Count Down Repeat function is selected. Press button S4 to enter or exit Heart Rate Monitor mode. (H) HOW TO USE THE ALARM S4 S1 S3 S2 - - - - - - Press button S3 to show Alarm mode, "AL" displayed in the bracket. Press & hold button S4 for 3-4 seconds to enter setting mode. With each press of button S1, the selected digits to be adjusted (flashing) can be made. Press & hold button S1 for fast setting. Press button S3 to select minute or hour digit for setting. After all adjustments are completed, press button S4 to exit the setting mode. Press button S2 to arm or disarm the alarm and chime function in the sequence shown as follow: S2 S2 ALARM ARMED S2 CHIME ARMED ALL ARMED S2 ALL DISARMED Remark: 1. The alarm sounds daily for 20 seconds at alarm time if the alarm function is armed. Press any button to stop the alarm sound. The watch gives out a "BEEP" sound at every full hour if the chime function is armed. The alarm function is automatically armed when enter setting mode. If there is no button operation for 2-3 minutes in setting mode, the watch will return back to Alarm mode automatically. If 24 Hr format is selected, there is no AM "A" or PM "P' flag. (I) HOW TO USE THE HEART RATE MONITOR To use the heart rate measuring function, follow these steps: (1) Set safety range of the heart rate monitor S4 S1 S3 S2 - - - - - Press button S3 to show Safety Range Set mode, "HI" displayed in the bracket. Press & hold button S4 for 3-4 seconds to enter setting mode. The lower limit "LO" digit start flashing. With each press of button S1, the selected digits, warning sound on/off to be adjusted (flashing) can be made. Press & hold button S1 for fast setting. With each press of button S3, next digits or warning sound on/off for setting can be selected. The sequence is Lower Limit "LO", Upper Limit "HI", Sound "Sd" on/off, Age and Level "LL". [. . . ] Entering the Heart Rate Monitor mode in Timer mode will enable you to use heart rate measurement together with the count down timers. Heart rate is displayed in the upper row and count down time is displayed in the lower row. An arrow pointing up or down will be displayed next to the heart rate reading to indicate that the current heart rate is above the upper limit or below the lower limit of the safety range respectively. And warning sound will also be given if "Sd" is in "on" state. [. . . ]