ANALOG MODULATION MODE
3-65
Sweep mode
(1) At the sweep parameters menu, press
[Sweep Mode]
. The
Sweep
Trigger
Mode Menu
is
displayed, see Fig. 3-64.
LOCAL
Internal
Single
Internal
Cont.
External
Trigger
EXIT
Sweep Trigger Mode Menu
C0017
Current Sweep Mode: INTERNAL SINGLE
Fig. 3-64 Sweep trigger mode menu
(2) Select the sweep mode, [Internal Single], [Internal Cont.], or [External Trigger].
(3) Press [EXIT] to return to the sweep parameters display menu.
(4) If [External trigger] is selected, press [UTIL], select [Utils. Menu 1] and from this menu press
[External Trigger]. The External Trigger Selection Menu will be displayed. Then press
[SWEEP] to return to the Sweep Parameters display.
Sweep parameter entry
Start value
(1) Select the appropriate soft key to enter the start value, e.g.
[Start Freq]
.
(2) Enter the required start value via the numerical key pad and the appropriate terminator key.
Stop value
(1) Select the appropriate soft key to enter the stop value, e.g.
[Stop Freq]
.
(2) Enter the required stop value via the numerical key pad and the appropriate terminator key.
When carrier frequency parameters are entered, the instrument calculates all the individual step
values together with any level and modulation correction factors. While this process is taking
place, the sweep status line changes to indicate '
CALCULATING SWEEP
'.
Number of steps
(1) Select [Number of Steps].
(2) Enter the number of steps via the numerical key pad and the [GHz/V/enter] terminator key.
If an inappropriate number of steps is selected, the instrument will automatically choose a
more reasonable value. The number of steps available depends on the operating mode and
the maximum values are:
250
or carrier frequency with FM,
Φ
M or Wideband FM enabled.
1,000
for carrier frequency without FM,
Φ
M or Wideband FM enabled.
10,000
for RF level, RF modulation frequency, LF frequency and LF level.