NEC GT2000 - Manual (Page 32)

E-32
EX CO
8
/
EX C1
EXT-CTL
3
15
EX EN POWER
14
EX PW
1ch 2 ch 3 ch
5
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.
Small signal Silicone diodes are used.
* Switchs cannot be pressed simultaneously.
* Channel number means slot number on the ISS-6020.
EMOTE 1
B 1 AUDIO
REMOTE 2/PC
EXT-CTL
REMOTE
OUTPUT
REMOTE
INPUT NO R
5 1 4 2 3
10
11 12 13 14 15
6 9 7 8
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.
External equipment
(Max.10 units)
To Slot 1-10
Video Signal
ISS-6020
Video Signal
To REMOTE 1 To REMOTE 1
Control Cable
EXT-CTL Pin Assignments
Pin No. SignalName Function
15 Signal Ground Ground
14 EX EN External control enable
5 EX PW Power ON/OFF
10 EX MT Mute ON/OFF
8 EX C/O Source selection data bit
3 EX C1 Source selection data bit
9 EX C2 Source selection data bit
4 EX C3 Source selection data bit
11 EX C4 Source selection data bit
13 EX C5 Source selection data bit
12 EX C6 Source selection data bit
1,2,6,7 Not connected Not used
Control Method
When the EX EN signal is low, the projector periodically polls the setting data.
Period of external control validity
(300 ms or more)
EX EN Hi
Lo