Models 707B and 708B Switching Matrix Reference Manual
Section 2: General operation
707B-901-01 Rev. A / August 2010
2-17
Selecting channels from the front panel
From the front panel, you can change the display to show another card slot, choose a specific
channel, and open and close channels. For the 707B, the crosspoint display shows you the status of
the channels for one card at a time.
To display a different slot:
Press the navigation wheel, then turn the navigation wheel to the right to go to the next slot or to the
left to go to the previous slot. You must go through all of the rows on one slot to go to the next slot.
To choose a specific row:
1. When you are displaying the slot that contains the row, press the navigation wheel
. The red
lights for that row are displayed.
2. Turn the navigation wheel
to go to the row you want to select.
3. Press the navigation wheel
to select the row. The red lights for each crosspoint in the row are
on, as shown in the following figure.
Figure 18: One row selected
SLOT 1
SLOT 3
SLOT 2
SLOT 1
SLOT 3
SLOT 2
2D
2D
2C
2C
2B
2B
NOTE
On the Model 707B, if you scroll past the last row, you will go to the next slot.
To choose a specific column in the selected row:
1. After choosing the row, press the navigation wheel
. A column of red lights is displayed.
2. Turn the navigation wheel
to go to the column. Note that scrolling through the columns will
not scroll through slots as scrolling through rows does.
3. Press the navigation wheel
to select the column and row. This channel is now displayed on
the bottom display.
