Operating instructions

24
Troubleshooting
•
Trouble with playback
Noise sometimes appears on the play-
back pictures.
Adjust the tracking buttons. (See page 21)
Dirty playback picture. The video heads may be dirty or clogged or they may have
reached the end of their service life. Consult with your dealer.
•
No timer recording. Are the present time and start/stop times for the timer
recording correct?
Has INT or EXT lighted on the display?
•
•
No alarm recording. Have the alarm sensors and alarm input connectors been
connected properly?
Has the alarm recording mode been selected on Menu Screen
3?
•
•
“Snow” on playback picture. The video heads may be dirty or clogged. Consult with your
dealer.
•
While a multiple number of cameras are
being used, two scenes appear as the
playback picture when the cameras are
switched.
Has the camera switching signal cable been connected
properly?
•
Recording starts when the unit’s power
plug is connected to or disconnected
from the power outlet.
Has INT or EXT lighted on the display?
•
No playback because recording starts
when the main power for the connected
equipment is set to ON.
Has INT or EXT lighted on the display?
•
Terminal Signal Level Note
VIL: 0 – 0.6 V
VIH:
VIH:
VOH
VOL VOL
VOH:
V
OL
4 – 14 V
11 – 13 V
Approx. 10 sec
11 – 13 V
Alarm Input/REC IN
Alarm Reset Input
Camera Switching Output
Tape end output
Warning output
LOW Input
HIGH Input
Input/Output Terminal Signal Level
VOH = 11 – 13 V (5.6 kΩ)
VOL = 0 – 0.6 V (max. 3 mA)
VOH = 11 – 13 V (4.7 kΩ)
VOL = 0 – 0.6 V (max. 3 mA)
VOH = 11 – 13 V (4.7 kΩ)
VOL = 0 – 0.6 V (max. 3 mA)
20 msec.
Video recording interval
During auto repeat or
auto rewinding
When stopped
MIN 400 msec.
MIN 400 msec.