Keithley 486 Instruction Manual page 233

Service Form
Model No.
Serial No.
Name and Telephone No.
Company
List all control settings, describe problem and check boxes that apply to problem.
Date
R Intermittent
0 Analog output follows display c;I Particular range or function bad; specify
0 IEEE failure
0 Obvious problem on power-up a Batteries and fuses are OK
a Front panel operational
c;1 All ranges or huwtions are bad
0 Checked all cables
Display or output (check one)
Rlxb
0 Unable to zero
0 Unstable
0 W111 not read applied input
0 Overload
cl Calibration only
0 Data required
0 Certificate of calibration required
(attach any additional sheets as necessary)
Show a block diagram of your measurement system including all instruments connected (whether power is turned on or not).
Also, describe signal source.
Where is the measurement being performed? (factory, controlled laboratory, out-of-doors, etc.)
What power line voltage is used?
Ambient temperature?
Relative humidity?
Other?
Any additional information. (If special modifications have been made by the user, please describe.)
"F