Gpi Control; Gpi Trigger Cabling And Circuit; Set Gpi; Pulse Trigger Record Process - Datavideo HDR-70 Instruction Manual

HD / SD Recorder

GPI Control

GPI Trigger cabling and circuit

The recorder has a GPI socket on its rear panel. The
GPI circuit runs on less than 5V
supplied by the recorders GPI port. You will need to
manufacture a GPI trigger cable to create a simple
'contact on closure' button or similar trigger.
Depending on the settings of the recorder and the GPI
menu option this unit can be configured to Record /
Record Pause or Play / Play Pause with the current
video BIN.

SET GPI

Use the LCD menu path
SYSTEM SET UP > SET GPI.
You can then make a choice between the PULSE or
LEVEL trigger. The selected choice is marked with an
asterisk [*].

PULSE trigger Record process

Using the Clip Status Display and soft keys, select an
empty video BIN. Make sure the source device is
connected and working and the target file type on the
recorder has been chosen. Press and hold in the Record
button on the front panel and then press the Play button.
This should start the record process. The button on the
connected GPI cabling is then pressed forcing the unit
into record pause mode. The unit is then ready to
activate record on the next press of the contact closure
button. Each time the recorder starts recording a new
clip will be added to the bin [ Max 99 CLIPS per BIN ].
Press the stop button on the front panel of the recorder
to end the recording process.

LEVEL trigger Record process

Using the Clip Status Display and soft keys, select an
empty video BIN. Make sure the source device is
connected and working and the target file type on the
recorder has been chosen. Press and hold in the Record
button on the front panel and then press the Play button.
This should start the record process. The button on the
connected GPI cabling is then pressed forcing the unit
DC. This power is
[MENU] > SET UP >
into record pause mode for the length of the press.
However, when the button is released the recording
process starts again. Each time the recorder starts
recording a new clip will be added to the bin [ Max 99
CLIPS per BIN ]. Press the stop button on the front
panel of the recorder to end the recording process.
The contact closure button may be working in the
opposite way to the type of action you want to perform.
A mechanical change to the GPI contact closure trigger
should fix this. (Example: when pressed down the
circuit is broken and recording starts. When released the
contact is made causing the pause action.)
Note: You may a have a couple of seconds footage at
the beginning of the bin that you may wish to remove
later once the footage is transferred to a computer for
editing.

PULSE trigger Playback process

Using the Clip Status Display and soft keys, select a
pre-recorded video BIN. Make sure the output device
/monitor is connected and working with the recorder.
Press in the Play button on the recorder's front panel.
This should start the playback. The button on the
connected GPI cabling is then pressed forcing the unit
into play pause mode. The unit is then ready to playback
from this point on the next press of the contact closure
button. Press the stop button on the front panel of the
recorder to end playback of the video.

LEVEL trigger Playback process

Using the Clip Status Display and soft keys, select a
pre-recorded video
device/monitor is connected and working with the
recorder. Press in the Play button on the recorder's front
panel. This should start the playback. The button on the
connected GPI cabling is then pressed forcing the unit
into play pause mode for the length of the press.
However, when the button is released the playback
starts again. Press the stop button on the front panel of
the recorder to end playback of the video.
The contact closure button may be working in the
opposite way to the type of action you want to perform.
A mechanical change to the GPI contact closure trigger
should fix this. (Example: when pressed down the
circuit is broken and recording starts. When released the
contact is made causing the pause action.)
20
HDR-70
BIN. Make sure the output