Instructions for Sper Scientific Models:
810040, 810041, 810042, 810043, 810045
Important: To activate the timer, remove the plastic tab from
between the battery and the contact.
Introduction: Select either a bright flashing yellow LED visual
alarm or an audible alarm.
810045 count up, and also count the elapsed time after the
count down ends. Model 810045 features a continuous alarm
that will flash or sound until the STOP button is pushed (for
other models, the alarm continues with increasing intensity for
1 minute). All models have a built-in stand for bench top use,
a pocket clip, and a magnetic back.
Instructions:
• Select the LED Alert or Audible Alarm by sliding the switch
on the back of the unit to either the audible alarm (bell
symbol) or the blinking/silent LED alert (light bulb symbol).
• Simultaneously press both "▼" and "▲" buttons to reset the
timer to zero.
• To set the count down timer, use the"▼" and "▲" buttons
individually to select the time.
• Press the START/STOP button to begin and end timing.
• The unit will automatically reset to the previous time setting
when the timing cycle is complete. Press the START/STOP
button again to start the next count down cycle.
Count Up Function (810042, 810043 and 810045):
• Simultaneously press both "▼" and "▲" buttons to reset the
timer to zero.
• Press the START/STOP button to start counting up.
• Note: "count ↑" flashes on the LCD during count up and after
the count down time has elapsed. Count down is indicated
when "count ↓" flashes.
Models 810042, 810043 and
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