Bronkhorst®
Instruction Manual EL-FLOW® Classic series
9.17.085D
13
3.3
Multifunctional switch
Some special functions of the instrument can be started manually using the multifunctional switch near the indication
LEDs.
3.3.1
Normal operating functions
·
In order to access these functions, press and hold the switch while the instrument is in normal operation mode (green
LED glowing).
·
As long as the switch is held, the LEDs show a repeating sequence of patterns, where each pattern indicates a function.
·
All indications in this sequence are continuous.
·
Each pattern is shown for a number of seconds; in the table below the column
Hold time
indicates the time frame within
the sequence where the LEDs show the associated pattern.
·
To start a function, release the switch when the LEDs show the pattern of the required function.
•
(green)
•
(red)
Hold time Function
off
off
0…4 sec
No action
off
on
4…8 sec
Reset instrument; clear all warnings and error messages and restart the instrument
on
off
8…12 sec Auto-zero; re-adjust the zero-point of the instrument (flow meters/controllers)
on
on
12…16 sec Factory mode, do not use
See
Zeroing before use
for background information and instructions on how to adjust the zero point of an instrument.
Never perform a zeroing procedure before having taken notice of the instructions.
3.3.2
Power-up functions
·
In order to access these functions, press and hold the switch while powering up the instrument.
·
As long as the switch is held, the LEDs show a repeating sequence of patterns, where each pattern indicates a function.
·
All indications in this sequence are flashing (0.2 sec on, 0.2 sec off).
·
Each pattern is shown for a number of seconds; in the table below the column
Hold time
indicates the time frame within
the sequence where the LEDs show the associated pattern.
·
To start a function, release the switch when the LEDs show the pattern of the required function.
•
(green)
•
(red)
Hold time Function
off
off
0…4 sec
No action
off
on
4…8 sec
Restore factory settings (All parameter settings will be restored)
on
off
8…12 sec No action
on
on
12…16 sec Factory mode, do not use
