VWR Collection Manual ver 3, rel 5 30.10.2013
2.
Press H (hours) button to advance hour digits. Each press is confirmed with a sound. Press and hold H
button to rapidly advance hours.
Press M (minutes) button to advance minutes digits. Each press is confirmed with a sound. Press and hold down M
button to rapidly advance minutes.
Press S (seconds) button to advance seconds digits. Each press is confirmed with a sound. Press and hold down
S button to rapidly advance seconds.
3.
Once desired time is on display, press START/STOP button to begin timing down.
All four timing channels can be running simulta- neously, simply follow steps 1 through 3 to set countdown times
for each channel.
When a channel is timing but not being dis- played, corresponding channel indicator (T1, T2, T3, or T4) flashes on
display.
4.
When the timing channel reaches 0:00 00, an alarm will sound for 60 seconds and channel will begin
counting up until turned off.
When a timing channel reaches 0:00 00 but is not being displayed, alarm for that channel will sound for 60
seconds. The corresponding channel indicator (T1, T2, T3 or T4) will begin to flash slower and channel will begin
counting up.
When multiple channels are alarming, alarm for most recent channel to reach 0:00 00 will sound.
EXAMPLE:
If T1 is alarming (1 beep) and T2 reaches 0:00 00, you will hear alarm for T2 (2 beeps).
The alarm will sound for 60 seconds and then turn off automatically. To turn alarm off manually, press any button.
When multiple channels are alarming, press any button to turn off alarm and stop count up timing for channel being
displayed, other channels will continue counting up. To stop count-up timing for other channels, press
corresponding channel button (T1, T2, T3, or T4) and then press START/STOP button. To clear display, press C
button.
NOTE:
Press C button to clear display to
0:00 00 and also clear last program
med time for that channel. See “Memory Recall” section for recalling last
programmed time.
Timer is stopped by pressing START/STOP button and restarted by pressing START/ STOP button (see Timeout
Function).
CORRECTING AN ENTRY:
If an error is made during an entry, press C button to clear display to zero. To clear an entry when time is running,
first stop timing by pressing START/STOP button, then press C button. A timing channel will only clear when time
is stopped.
MEMORY RECALL:
When timing repetitive intervals, memory function will recall last programmed time for each channel. This feature
allows timer to be dedicated to frequently timed tests. Timer will return to desired time period again and again.
1.
Follow steps 1 through 4 in “Countdown Alarm Timing” section.
