(The following troubleshooting guide was provided by Scott Jones, SNDEN)
The system is
turned on but one or more of the TV's are not on, and there is no
picture.
- Manually turn
on theTV monitors with the remote control or power switch. Make
sure the TVs are set to VIDEO, not a TV channel or Video
S-In (Aux-Enter button on most monitors).
- Check to see
if the distribution amplifiers located in the teacher station are
on. Look under the Brick Rack on the right hand side of the
teacher station (you have to get down on your knees to see the
lights--sorry!) Visually check to see if the green lights on all
four units are on.
- Make sure
that the remote sites have their systems turned on. When a
scheduled class comes up, if a school does not have its system
turned on, that site will appear as a black monitor with no
picture.
You do not get a
picture from the teacher or student camera.
- Make sure the
camera power supply is plugged in and no wires are
loose.
- Check to make
sure the power indicator light is on (back of most
cameras).
- Check to see
if the zoom lens is open on the front of the camera (a flashlight
shined into the front of the camera works best).
You do not get a
picture from the Document or Graphics camera.
- Check to make
sure you have selected the correct button on the Q-Link Controller
and are "swapped" to that selection.
- If the
overhead camera does not work, check the "AD ChromaPip" switch
(top right hand side of teacher's station) and see if the red
power light is on.
- Check the
audio/video distribution amps for power (back of teacher station
must be removed to see these items).
Feedback from
remote site.
- Check to make
sure that all sites have their VCR Mute on (unless they are
recording your site).
- Make sure
every site has its BiAmp amplifier set properly (dials 1 and 7 set
at "9 o'clock" and dials 2 through 6 set at "7
o'clock."
- Have sites
check to make sure there is not an open microphone cable
(disconnected from the microphone).
Problems with
wireless microphone.
- Check the
battery in the wireless transmitter unit if the wireless mic cuts
out or becomes weak.
- Keep the
microphone at least 8-12 inches from mouth.
- Make certain
the instructor is wearing the microphone. The wireless microphone
will not pick up sound if it is placed on top of the teacher
station.
- Check the
dial settings on the BiAmp (see Feedback from remote site
above).
- Check the
volume level on the wireless receiver which is mounted in the
teacher station. You will need to contact the Consortium office to
do this check.
Problems with
student audio.
- If student
microphones are weak or cutting out, the students may be too far
from or too close to the microphones.
- Students may
not be in the 130º reception range of the
microphones.
- Microphones
may be covered with something.
- Check to see
if a cable has been disconnected; check connectors. If another
microphone works in that same input, the microphone cable may be
damaged.
- Check the
volume on the BiAmp amplifiers at all sites.
VCR did not
record.
- Check to make
sure RECORD button is pushed on VCR.
- Check to make
sure VCR input is on "AU" (Auxiliary) or "L" (Line Feed). Use the
remote control to change Input Select to "AU" or "L."
- Tape has
record safety tab removed.
- Make sure you
pushed the correct button on the VCR Record Switcher (right side
of teacher station) that corresponds to the site you want to
record.
VCR Playback - no
sound in remote site.
- Remote site
may not have its BiAmp audio amplifier turned up high enough to
receive sound from sending site.
- Sending site
has its Send Room mute button on so no VCR sound leaves
room.
- If attempting
to record from one of the interactive sites, VCR Mute Button was
"on" (red light) while recording. VCR Mute Button must be "off"
(no light) when recording to the VCR.
VCR - no picture
on playback.
- Make sure
that the correct "VCR" button is depressed on the 8-Button Video
Switcher (#3 button on most systems).
- Make sure
that the correct "VCR Select" button was depressed on 4-Button
Record Selection Switcher if you were recording from one of the 4
interactive sites.
Broad black and
white lines on TV monitor while trying to play VCR.
- Make sure
that button #3 on the 8-Button Video Switcher has been
pushed.
- Make sure
that tape is in PLAY mode.
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