Using The Serial Communication - JVC DT-E21L4 Manuel D'instructions

<Functions controlled by the Make/Trigger system>
Display
– – – No function.
Tally lamp color selection.*
Tally Color
Tally lamp lighting method selection.
Tally Type
Light the left half of the tally lamp in red.*
Tally-L(R)
Light the right half of the tally lamp in green.*
Tally-R(G)
Changes the input to "SDI 1."
SDI 1
Changes the input to "SDI 2."
SDI 2
Changes the input to "HDMI."
HDMI
Changes the input to "COMPO./RGB."
Component/RGB
Changes the input to "VIDEO."
Video
The area marker indication.
Area Marker
The safety marker indication.
Safety Marker
The center marker indication.
Center Marker
Indication of the area of the specified aspect ratio.
Frame
Selects the items of "Marker".*
Marker Select
Changes the aspect ratio.
Manual Aspect
Displays in 1:1 mode.
1:1
Status display.*
Status
Audio level meter display.
Level Meter
Time code display.
Time Code
☞ "Source ID" in "Information" on page 19.
Source ID
Color off.
Color Off
Screens check.
Screens Check
Change a mode according to a input picture.
I/P Mode
Muting on/off.
Muting
Change the intensity of the button lamps.
Dimmer
Can be controlled when "Tally Type" ("Set-Up Menu" → "Function Setting" → "Tally Setting") is set to "Normal".
* 1
Can be controlled when "Tally Type" ("Set-Up Menu" → "Function Setting" → "Tally Setting") is set to "Half".
* 2
* 3 Selects which functions in "Marker" are activated, non-"R-" items or "R-" items (☞ "Marker" on page 15).
* 4 Displays the information shown when INPUT SELECT button of the current input is pressed (☞ "On the Status Display" on page 12). While controlling
with the Make system, the information is displayed only at the moment of short-circuiting.
* 5 While controlling with the Make system, the level meter is switched between displayed (short-circuiting) and hidden (opening). When "Level Meter
Display" is set to "Off," the level meter is not displayed ("No Effect" appears).
While controlling with the Trigger system, the pattern of the audio channel display is switched.
* 6 While controlling with the Make system, the available set-up options will be the setting value currently selected in "Source ID" ("On" or "Auto" [short-
circuiting]) and "Off" (opening). While controlling with the Trigger system, uses the same set-up option as those in the Set-Up Menu (☞ "Source ID" in
"Information" on page 19).
* 7 While controlling with the Make system, the screen is switched between normal screen (opening) and blue screen (short-circuiting). While controlling
with the Trigger system, the screen changes in the same way as when pressing SCREENS CHECK button (☞ w on page 10).
Must be controlled with the Trigger system. The mode changes in the order of "Normal" → "Cinema" → "Field." (This function cannot be controlled
* 8
with the Make system.)
●
You cannot assign the same function to different pin terminals.
● The Trigger system switches each function by short-circuiting the pin terminal for about 1 second and opening it.

Using the serial communication

You can control the monitor from a personal computer etc. via the RS-485 or RS-232C terminal.
* Consult your dealer for the details of the external control specification.
<Communication specifications>
Input terminal
RS-485 A straight LAN cable
RS-232C A straight cable with a D-sub 9-pin connector
(male for the monitor, female for the personal
computer etc.)
<Specifications of the RS-485 terminal>
Pin No. IN terminal signal
1 TXD +
2 TXD –
3 RXD +
4 NC
5 NC
6 RXD –
This is a female
7 NC
terminal.
8 GND
Functions to be controlled
1
2
2
3
4
Cable
OUT terminal
signal
TXD +
TXD –
RXD +
NC
NC
RXD –
NC
GND
Opening
—
Green
Whole
On
On
Invalid
Invalid
Invalid
Invalid
Invalid
Off
Off
Off
Off
Non-"R-" items
4:3
Off
☞ "On the Status Display" on page 12
Off
Color
Off
Normal
Terminal specification
Baud Rate: 4800 bps
Data Bits: 8 bits
Parity: No parity
☞ See below
Stop Bits: 1 bit
Flow Control: No control
Communication Code: ASCII Code
<Specifications of the RS-232C terminal>
Pin No.
1 NC
2 RXD
3 TXD
4 NC
5 GND
6 NC
This is a female 7 RTS
terminal. 8 CTS
9 NC
●
The 7th terminal and the 8th terminal are connected.
Short-circuiting
—
Red
One half at a time
Off
Off
Valid
Valid
Valid
Valid
Valid
On
On
On
On
"R-" items
16:9
On
* 5
On
*
6
Monochrome
* 7
* 8
On
Dark
Communication specifications
Signal
23
EN EN