Specifications

SOURCE 1 This function allows the user to verify that various parts of the main
Source Module are operating properly, and includes the following tests:
DDS REFERENCE CLOCK VOLTAGE
OFFSET VCO VOLTAGE
MAIN VCO VOLTAGE
LEVEL AMPLIFIER VOLTAGE
LOG AMPLIFIER VOLTAGE
POWER LEVEL DAC VOLTAGE
ALC MODULATOR DRIVE VOLTAGE
SOURCE 2 This function allows the user to verify that the Option Source Module is
operating properly. This function includes the following tests:
DDS REFERENCE CLOCK VOLTAGE
OFFSET VCO VOLTAGE
MAIN VCO VOLTAGE
LEVEL AMPLIFIER VOLTAGE
LOG AMPLIFIER VOLTAGE
POWER LEVEL DAC VOLTAGE
ALC MODULATOR DRIVE VOLTAGE
LO This function allows the user to verify whether the Local Oscillator is op
-
erating properly, and includes the following tests:
OFFSET VCO VOLTAGE
MAIN VCO VOLTAGE
Check the Service Log and use the error code suffix table to determine
the area where the source module is having the problem.
1. Press the Utility front panel key.
6-12 MS462XX MM
HARDWARE TROUBLESHOOTING TROUBLESHOOTING
NOTE
Common Offset Mode must be turned off for the OFFSET VCO VOLT
-
AGE function to operate properly. To turn common offset mode off, se
-
lect RETURN/SELECT MODES/COMMON OFFSET MODE OFF.
NOTE
Common Offset Mode must be turned off for the OFFSET VCO VOLT-
AGE function to operate properly. To turn common offset mode off, se-
lect RETURN/SELECT MODES/COMMON OFFSET MODE OFF.