Velp Scientifica AREC 7 Manual De Instrucciones página 11

Timer, autoreverse and intermittent mode functions
Press the central button repeatedly to access in sequence the following function menus:
•
Timer
➢ Rotate the right knob to set the timer (hours/minutes)
➢ Press it to confirm
Note: when the timer is set, the dedicated led (D) is on. When the countdown starts, the led is blinking.
Note: select HHnn to disable the function.
After the timer has elapsed, the heating will be stopped (if Time Heat is OFF, see chap. 4), the stirring will be
stopped (if Time Sped is OFF, see chap. 4) and the display will show End.
•
Autoreverse
➢ Rotate the right knob to set the autoreverse time (minutes/seconds)
➢ Press it to confirm
Note: when the autoreverse is set, the dedicated led (E) is on.
Note: select nnSS to disable the function.
The rotation direction will change after each set interval time.
•
Intermittent mode
➢ Rotate the right knob to set the run time of the intermittent mode (minutes/seconds)
➢ Press it to confirm
➢ Rotate the knob to set the pause time of the intermittent mode (minutes/seconds)
➢ Press it to confirm
Note: when the intermittent mode is set, the dedicated led (F) is on during the run time and it is blinking during the
pause time.
Note: select nnSS to disable the function.
The stirring function will be interrupted cyclically.
To exit the function menu, push the central button again or do not press any buttons/knobs for 5 seconds.
Note: each function can be set individually or in combination with the others.
Lock function
•
While the unit is working, push the central button for 3 seconds to enable the lock function.
If the lock function is enabled, it is not possible to change the work conditions.
The led around the central button blinks if the knobs or the central button are pressed/rotated.
•
Push the central button for 3 seconds to disable the function.
External probe connection
•
Turn off the instrument using the main switch
•
Screw the threaded support rod into its seat on the back of the instrument (optional)
•
Fasten the clamp onto the support rod (optional)
•
Place the external temperature probe into the clamp (optional); then place it into the sample contained inside the
flask
•
Plug the probe into the dedicated socket on the back of the instrument
•
Turn the unit on using the main switch
When the external probe is connected, the dedicated led (A) is on.
The heating function works as descripted above but the settable and showed temperature will be that read by the external
probe.
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