Holland Electronics ST-5128S - Manual (Page 12)

11
Carrier Level Difference (V-A) Measurement
The ST5128 can measure the difference in power levels between video and
audio carriers of a defined channel.
While in the Single Channel Measurement Mode Main Menu screen, press the
F2 (V-A) soft key. (Note: The V-A function will not work unless the channel to be
measured has already been selected). The resulting V-A measurement display is
shown in figure 5. Both the video and audio carrier power level measurements
are also displayed.
Soft Key Functions
F1- LOW- Selects the lowest channel number in the predefined channel table.
F2 – MID- Selects the channel number midway between the 1
st and last channels
in the table.
F3 – TOP – Selects the highest channel number in the predefined channel table.
F4 – ESC – Exits out of the V-A Measurement Mode. Returns to the single
channel measurement mode main menu.
Fig. 5
V-A Carrier Level Differential measurement