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8600 Operation Manual - V1.0
Low Frequency Divided Output
Pressing the 1 Hz - 10 MHz key when the unit is in
10MHz Frequency Mode
will set the 8600
to
Frequency Divider Output Mode
. In this mode the output frequency can be varied in steps of 1, 2,
5 from 1 MHz to 5 MHz.
In this mode the Main Display will indicate the current output frequency, followed by either
“Int” or “GPS”. A display of “GPS” indicates that the unit is currently disciplined to GPS, a display of
“Int” means that a fix has not been achieved.
The output is varied using the digital control, rotating clockwise to INCREASE the frequency,
and anti-clockwise to DECREASE the frequency.
Direct digit entry is also possible using the numerical section of the keyboard, followed by
pressing the ENTER key. Entries which are not valid will select the next available frequency (i.e. an
entry of 300 Hz will select the 500 Hz output.
The output for this function appears at the LF Source A Terminal
Low Frequency Variable Output - Square Wave
Pressing the LF Mode key will set the unit to
DDS Square Wave Output Mode
. In this mode
the frequency can be varied from 10 Hz to 100 kHz in 1 Hz steps. The output is a fixed square wave
with a peak to peak amplitude of 5V into 1 MOhm.
In this mode the Main Display will indicate the current output frequency, followed by either
“Int” or “GPS”. A display of “GPS” indicates that the unit is currently disciplined to GPS, a display
of “Int” means that a fix has not been achieved. The smaller status display will indicate
DDS Square
Wave 5V Pk-pk Output Mode
The output is varied using the digital control, rotating clockwise to INCREASE the frequency,
and anti-clockwise to DECREASE the frequency.
Direct digit entry is also possible using the numerical section of the keyboard, followed by
pressing the ENTER key.
The output for this function appears at the LF Source A Terminal
