External Control - NEC MultiSync GT2000 User Manual

External Control

To turn your projector on and off, to turn the mute on or off and to switch video sources, use the EXT-CTL connector.
* When using the external control, do the following:
1. Select the [Settings Menu] [Ext.Control] under the main menu and select "On".
2. Set the pin 8 of the DIP switch (S8601) to "SHORT". The DIP switch is located inside the ISS-6020 system control module.
B 1 AUDIO
REMOTE
REMOTE 2/PC
NO R
INPUT
REMOTE
EMOTE 1 EXT-CTL
OUTPUT
Control Cable
Console Control Unit Setup Example
* This example is when power is ON and channel 1, 2, and
3 switching is activated. The circuit setup is valid when
the contacts of any of the switches are closed.
EX CO /
8
EX C1
3
EXT-CTL
EX PW
5
EX EN POWER
14
15
Small signal Silicone diodes are used.
* Switchs cannot be pressed simultaneously.
* Channel number means slot number on the ISS-6020.
Control Method
When the EX EN signal is low, the projector periodically polls the setting data.
EX EN
Video Signal
To REMOTE 1
1ch
2ch 3ch
Period of external control validity
(300 ms or more)
E-32
ISS-6020
To REMOTE 1
EXT-CTL Pin Assignments
5 4
10 9
15 14
Pin No. SignalName
15 Signal Ground
14 EX EN
5 EX PW
10 EX MT
8 EX C/O
3 EX C1
9 EX C2
4 EX C3
11 EX C4
13 EX C5
12 EX C6
1,2,6,7 Not connected
Hi
Lo
Video Signal
External equipment
(Max.10 units)
To Slot 1-10
3 2 1
8 7 6
13 12 11
Function
Ground
External control enable
Power ON/OFF
Mute ON/OFF
Source selection data bit
Source selection data bit
Source selection data bit
Source selection data bit
Source selection data bit
Source selection data bit
Source selection data bit
Not used