Tektronix ECO422D, Инструкция по эксплуатации

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Operating Basics
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ECO422D SD/HD Changeover Unit Instruction Manual
Backup. Input from the backup sync generator. This should be the same signal
type as its Primary signal pair.
Opt. ELSW. With Opt. ELSW, channels 4, 5, and 6 are designed for use only with
NTSC or PAL black burst, or tri--level sync.
The rear-panel connector is a 9-pin female D-connector, with one pin tied to
ground (see Figure 2--4).
5 4 3 2 1
6 7 8 9
Figure 2- 4: Remote connector pins
The pin-out is shown in Table 2--2.
Table 2- 2: Remote connector pin-out
Pin Signal function
1 Auto switching (input)
2 Toggle sync source (input)
3 Indicate primary sync source active (output)
4 Indicate backup sync source active (output)
5 Fault alarm (output)
6 Fault reset
7 Fault rep
8 Fault reporting --
9 Ground
Auto Switching (active low) If low, the automatic switching function from the
front panel is disabled. The front panel cannot override this remote command.
Remote