Advertisement
Operation
Service Menu
Automatic Input Calibration
Input Frequency Display
3-80
Model 42i Trace Level Instruction Manual
INPUT BOARD CALIBRATION:
TO CALIBRATE
** WARNING **
xTHIS ACTION MAY
xxRECALIBRATION OF
ENTIRE MEASUREMENT SYSTEM!
RANGE
AVG
DIAGS ALARM
The Automatic Input Calibration screen is used to do an automatic
calibration of the input board A/D stages. A message will be displayed after
the optimum setting has been determined.
Note The measurement system and the PMT are both shut off inside this
screen.
In the Main Menu, choose Service > Input Board Calibration >
●
Automatic Input Calibration.
Press
●
INPUT BOARD CALIBRATION:
TO CALIBRATE
** WARNING **
xTHIS ACTION MAY
xxRECALIBRATION OF
ENTIRE MEASUREMENT SYSTEM!
RANGE
AVG
DIAGS ALARM
The Input Frequency Display screen is used to manually adjust the input
board gain. This may be used as a troubleshooting tool for the input board.
The gain setting and test mode are reset upon exiting this screen.
In the Main Menu, choose Service > Input Board Calibration > Input
●
Frequency Display.
Press
●
Use
●
Use
●
REQUIRExx
THEXXXX
▲
to leave warning screen and begin automatic calibration.
REQUIRExx
THEXXXX
to leave warning screen.
and
to toggle the test signal and bypass the PMT.
and
to change the gain between 1, 10 and 100.
GAIN 1
- MANUAL:
FREQ =
D/A =
ARE YOU SURE YOU WANT
CHG GAIN
RANGE
AVG
DIAGS ALARM
INPUT BOARD CALIBRATION:
** IN PROGRESS **
D/A
=
2047
TARGET =
FREQ
=
ZERO
=
RANGE
AVG
DIAGS ALARM
4500
N/A
?
TO?x
SAVE VALUES
0
0
0
0 CNT =
1
Thermo Fisher Scientific
Advertisement
Troubleshooting
