5/5
Detector operation
C 20
Saving the filament
To save the filament, it is possible to switch it off when it is not
to be used for a period of time.
The indicator light then goes off*.
The filament is switched on again by pressing on the
key a second time. The indicator light flashes for
approximately 8 s before lighting up, the filament is
now operating.
Alcatel - High Vacuum Technology - ASM 180 TD/TD+ - ASM 181 TD+ User’s Manual
Edition 04 - September 97
Press the key on the
remote control unit.
Enable
the inlet vent
Disable
the inlet vent
press
When the inlet vent indicator light is lit, at the end of
the cycle, the inlet vent valve is open.
It is possible to disable the opening of this valve by
releasing the key. The indicator light goes out.
This function is important to prevent the installation from
returning to atmospheric pressure by mistake.
Record the helium
signal
This output supplies a voltage of 0 to 8V.
(see recording curve in
G 20
)
The response curve is logarithmic (1 volt per
decade).
*Note: The filament can only be switched off when the
detector is in test mode.
1 V / dec