JVC DT-E17L4G Operation manual for DT-E17L4/DT-E21L4G Monitor (32 pages) - Page 22
External Control, About the external control, Using the Make/Trigger system
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External Control About the external control This monitor has three external control terminals. ● Make/Trigger terminal (RJ-45): The following external control systems are available. (1) Make (make contact) system: Controls the monitor by short-circuiting the corresponding pin terminal to the GND pin terminal, or disconnecting (opening) it. (2) Trigger (trigger) system: Controls the monitor by sending the pulse signal instantaneously to the corresponding pin terminal. ☞ "Using the Make/Trigger system" below ● RS-485 terminals (RJ-45): Controls the monitor with the RS-485 system (☞ "Using the serial communication" on page 23). ● RS-232C terminal (D-sub 9-pin): Controls the monitor with the RS-232C system (☞ "Using the serial communication" on page 23). Set the following items of "Remote Setting" in Set-Up Menu according to the external control terminal and control system (☞ "Serial Type," "Parallel Type" on page 18). Control terminal Make/ Trigger terminal RS-485 terminal RS-232C terminal Control system Parallel Type Make Trigger Serial RS-485 communication RS-232C The settings of this unit "Serial Type" "Parallel setting Type" setting - Make - Trigger RS485*1 - RS232C*1 - *1 For a monitor connected to a personal computer etc, select the terminal the equipment is actually connected to. For other monitors, select "RS485." Control priority is as follows. Make > Trigger = serial communication = buttons and menu on the monitor ● You can use external control even when "Control Lock" is set to "Volume Lock" or "All Lock" (☞ page 19). ● When the monitor is off (on standby), external control is not available. But certain external controls (starting/terminating communication, turning on the monitor) are available through the serial communication (☞ page 24). You can control the monitor by a personal computer or dedicated controller*2. ● "Using the Make/Trigger system" below. *2 The controller is not commercially available. Consult your dealer if you need it. PC, etc. RS-485 IN RS-485 RS-485 or OUT IN RS-232C ● For the details, see page 23. RS-485 OUT RS-485 IN RS-485 OUT Using the Make/Trigger system The Make/Trigger terminal is configured as follows. You can assign a function to each pin terminal in "Remote Setting" (☞ "Pin1, Pin2, Pin3, Pin4, Pin5" in "Parallel Type" on page 18). ● You cannot change the functions assigned to the pin terminals from 6th to 8th. This is a female terminal. Pin No. 1 2 3 4 5 6 7 8 Pin name Pin1 Pin2 Pin3 Pin4 Pin5 Tally*1 Enable*2 GND *1 The 6th pin terminal controls turning on or off the tally lamp (available to control even when the 7th pin terminal is invalid). *2 The 7th pin terminal makes the external control valid/invalid. Make sure to control the terminal by the Make system. To assign the functions to the pin terminals For the operation procedure, see page 12. 1 Select "Remote Setting" on the Set-Up Menu. 2 Set "Parallel Type" to "Set." 3 Select a pin name ("Pin1" - "Pin5") for which you want to assign a function, then select the function you want to assign. For the selectable functions, see the table on page 23. Operation of the external control 1 Set "Parallel Type" of "Remote Setting" to "Make" or "Trigger" in the Set-Up Menu. 2 Short-circuit the 7th pin terminal (ENABLE) to the 8th pin terminal (GND) so that the monitor can be controlled by the external control. 3 When the "Make" system is selected: Operate each function by shortcircuiting the corresponding pin terminal to the 8th pin terminal (GND) or opening it. When the "Trigger" system is selected: Operate each function by pulse control, that is short-circuiting the corresponding pin terminal to the 8th pin terminal (GND) for about 1 second and opening it. ● When changing the input with Make system, activate the pin you want after deactivating the currently used pin. ● When selecting the "Trigger" system, you can operate only one function at a time. Operate the functions one by one. 22