Models 947, 948 and 960 Leak Detectors Operations and Service Manual
A-6
NOTE
System TC being at atmosphere is not a normal state for
the leak detector. The turbo pump must be turned off,
and the spectrometer tube must be vented by operating
the valves or by opening the vent screw on the turbo
pump. This is best done before the pump gets up to
speed just after turning the leak detector on.
CAUTION
You must take care to avoid damage to the vacuum
system and the spectrometer tube. Follow instructions
carefully.
[SHIFT]
INIT
EMIS
PUT
Sets a permanent new value for Emission Current. Enter XXXX
(the desired value), followed by the SHIFT key, then the
function key.
ZERO
TP TC
ATM
Initiates an atmosphere calibration of the Test Port TC.
[SHIFT]
ZERO
TP TC
ATM
Initiates a zero calibration of the Test Port TC.
ZERO
SY TC
ATM
Initiates an atmosphere calibration of the System TC.
[SHIFT]
ZERO
SY TC
ATM
Initiates a zero calibration of the System TC.
SET
TST TM
SHOW
Displays the value of the Auto Sequencer Test Time.
[SHIFT]
SET
TST TM
SHOW
Sets the value of the Auto Sequencer Test Time. Enter XXX
(the desired value), followed by the SHIFT key, then the
function key.
SET
RUF TM
SHOW
Displays the value of the Auto Sequencer Roughing Time.
[SHIFT]
SET
RUF TM
SHOW
Sets the value of the Auto Sequencer Roughing Time. Enter XXX
(the desired value), followed by the SHIFT key, then the
function key.
ON
A SEQ
OFF
Turns off the Auto Sequencer function.
