Appendix B: Remote Connectors

Table B-1.

Remote Pin Functions and Signal Requirements (Cont.)

 

 

 

 

 

Pin No.

 

Function

Signal Requirement

Miscellaneous Information

 

 

 

 

4

External Blank-

Negative-going

Enabled by menu selection.

 

ing Input

signal

 

 

 

 

 

5

Remote Sync

TTL level square

30/90 Hz for NTSC

 

Input

wave triggers a

25/100 Hz for PAL

 

 

 

2-field rate sweep.

 

 

 

 

 

6

Remote Sync

Ground (TTL low)

Grounding this pin enables the

 

Enable

 

function.

 

 

 

 

7

Ground

 

 

 

 

 

 

 

8

+Y

Audio Input

Max. Input ±8 V

Measured to Chassis Ground.

 

 

 

peak

 

 

 

 

 

9

--Y Audio Input

Max. Input ±8 V

Measured to Chassis Ground.

 

 

 

peak

 

 

 

 

 

 

10

+X

Audio Input

Max. Input ±8 V

Measured to Chassis Ground.

 

 

 

peak

 

 

 

 

 

11

--X Audio Input

Max. Input ±8 V

Measured to Chassis Ground.

 

 

 

peak

 

 

 

 

 

12

+ Time Code

--10 -- +10 V peak

Longitudinal Time Code, differen-

 

Input

 

tial.

 

 

 

 

13

-- Time Code

--10 -- +10 V peak

Longitudinal Time Code, differen-

 

Input

 

tial.

 

 

 

 

14

Ground

 

 

 

 

 

 

15

Not used

 

 

 

 

 

 

16

Not used

 

 

 

 

 

 

17

Preset 1

Ground (TTL low)

Grounding pin 17 recalls front-

 

 

 

 

panel setup from preset 1.

 

 

 

 

Grounding pins 17 and 25 stores

 

 

 

 

current front-panel setup at preset

 

 

 

 

1.

 

 

 

 

18

Preset 2

Ground (TTL low)

Grounding pin 18 recalls front-

 

 

 

 

panel setup from preset 2.

 

 

 

 

Grounding pins 18 and 25 stores

 

 

 

 

current front-panel setup at preset

 

 

 

 

2.

 

 

 

 

 

B-2

1740A/1750A Series Waveform/Vector Monitor User Manual