Thermo Scientific 5028i, Instruction Manual

Page: 135 / 330

Operation
Service Menu
Thermo Fisher Scientific Model 5028
i
Instruction Manual 3-81
The Alpha Threshold screen allows the user to view and set the alpha
threshold manually.
l
In the Main Menu, choose Service > Detector Calibration >
>
Detector Calibration or Detector Calibration B > Manual > Alpha
Threshold
.
ALPHA THRESHOLD:
CURRENTLY: 1500
SET TO: 1501 ?
INC/DEC
SAVE VALUE
RANGE AVG DIAGS ALARM
The Analog Output Calibration menu provides access to the 6 voltage
channels and 6 current channels for calibration. Current channels are
visible only if the I/O expansion board is installed. The analog output
calibration menu is visible only when the instrument is in service mode.
For more information on the service mode, see “ Service Mode ” earlier
in this chapter.
Note
This adjustment should only be performed by an instrument
service technician.
s
l
In the Main Menu, choose Service > Analog Out Calibration .
ANALOG OUTPUT CAL:
>VOLTAGE CHANNEL 1
VOLTAGE CHANNEL 2
VOLTAGE CHANNEL 3
VOLTAGE CHANNEL 4
VOLTAGE CHANNEL 5
RANGE AVG DIAGS ALARM
ANALOG OUTPUT CAL:
>CALIBRATE ZERO
CALIBRATE FULL SCALE
RANGE AVG DIAGS ALARM
VOLTAGE CHANNEL 6
CURRENT CHANNEL 1
Alpha Threshold
Analog Output Calibration