HP 3326A Operating And Reference Manual page 31

The Entry Keys
The frequency range of channel A is 0 to 13 MHz. The frequency range of channel B
is 0 to 5 kHz.
Internal Amplitude Modulation
The frequency range of channel A is 0 to 13 MHz. The frequency range of channel B
is
0 to I 0 0 kHz.
H V Option
With the high voltage option enabled, the frequency output is 0 to 1 MHz. In the
2 TONE mode, the maximum channel B frequency is 1 . I MHz.
NOTE
After a mode change, the channel B frequency is
set to the channel
A
frequency. If the channel 5 fre-
quency is set to greater than
I MHz,
the channel
B high voltage option is disabled, To enable the high
voltage option, reduce the channel B frequency to
below
I
MHz.
HP-I6 Example:
"FR7.500003MHZ"