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. Models 810042, 810043 and
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.
