Havis-Shields PT-VIDEO-MDVR - Manual (Page 10)

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MDVR IGNITTION / POWER ON CONNECTION
MDVR Ignition Trigger Power ON Control
The MDVR features an auto power on and begin to record
function on the “ignition trigger”. When this trigger goes high, the
DVR will turn on and begin to begin recording.
If the Power Button on the front of the unit is hit, the unit will turn
off, but then read the “ignition trigger” and turn back on. This is a
“ignition trigger” priority unit.
MDVR Ignition Trigger Power OFF Control
After the ignition trigger goes low (car turned off), the DVR will turn
off after the power off delay has been reached.
MDVR Power Button Control (Ignition Trigger OFF)
If the ignition trigger is low (car off), the power is controlled only by
the Power Button. When the button is pressed, the unit will turn
on until he button is pressed again.
MDVR TYPICAL CONNECTION
The MDVR features a variety of connection points for various
accessories as shown in Figure 3 below:
Figure 1: MDVR Connection Guide
The external connections feature:
• Camera audio and video input
• Camera 12V power output
• Video / Audio monitor output
• External magnetic attachment GPS Antenna
• Dual Audio inputs
• Main DB-25 Connector featuring:
– Direct automotive power connection. The MDVR features an
internal resetable fuse.
– 5 trigger inputs.
– 1 record status LED output.
– 1 Open Collector trigger output.