LEYBOLD THERMOVAC TTR 101 N, Operating Manual

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27 300544655_002_C1 - 11/2016 - © Leybold
6.3
User switch adjustments
The user switch-button can be pressed (as seen below) by using the adjusting-pin that is added in the transmitter
package or by using another pin with similar shape (Ø 1mm).
The color of the LED-ring/LED will indicate the status of the transmitter during user switch adjustments:
Transmitter status LED-ring/LED color
Normal operation
Solid green
Vacuum-zero/Full-scale adjustment
Pulsing between red and green
Setpoint 1 adjustment*
Pulsing green
Setpoint 2 adjustment*
Pulsing red
*The setpoint adjustment is only available for transmitters with user switch adjustable setpoints (P/N: 230352V02,
230353V02, 230356V02)
If the user switch is activated by accident and vacuum Zero is executed the original factory
adjustment can be recovered using the FD!VAC or FD!ATM command. Please refer to the
Communication Protocol 300544663 (RS232) and 300544664 (EtherCAT).
Attention
!
!