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6 • Working with ERBECRYO 2
80113-401_V24023
2023-05
Contrast
Setting the display contrast (10 levels).
Brightness
Setting the display brightness (10 levels).
Key sound volume
An acoustic signal can be generated when pressing the selection buttons. Setting the
button volume (10 levels) or Button volume off.
System volume
With the system volume you can control the acoustic signals of the timer and of error
messages. Setting the system volume (10 levels).
Activation volume
Volume of the acoustic signal for activation. Adjust the signal so that it is clearly audi-
ble.
Bleeding the cryosystem off after use
With bleed-off, you relieve the pressure in the cryosystem, thus extending its service
life.
With gas bottle adapter
Close the bottle valve.
1. Image 1: Using a 19-mm open-end wrench, loosen the nut on the gas tube
slightly. Use a 13-mm counter wrench for gas bottle adapters 20410-003,
20410-016, 20402-061. Use an 11-mm counter wrench for gas bottle adapter
20402-060. The gas is released.
2. Re-tighten the nut on the gas tube (no picture).
1. Image 2: Using a 19-mm open-end wrench, loosen the nut on the gas tube
slightly. The gas is released.
2. Re-tighten the nut on the gas tube (no picture).
With switch valve
1. Close the bottle valves.
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