Operating instructions

LOCAL OPERATION
3-90
Expanded display
With the expanded display selected, the area of the display available for digital readings is limited.
The following table shows the data that can be displayed in each test mode.
Tx Test Rx Test AF Test
Tx FREQ
OFFSET
POWER
MOD FREQ AUDIO FREQ AUDIO FREQ
FM/AM LEVEL LEVEL LEVEL
SINAD, S/N,
DISTORTION
SINAD, S/N,
DISTORTION
SINAD, S/N,
DISTORTION
Persistence
The persistence of the scope trace can be selected to suit the user’s requirements. The expanded
display has a [Persistence] key, which steps through the available persistence settings. The
persistence setting is effective on both the expanded and standard oscilloscope displays but can
only be set from the expanded display.
The following table shows the available settings and the approximate decay times.
Setting Decay time (seconds)
Off 0
Low 1
Med 3
High 8
Inf Infinite