6�3 Testing An Audio Signal; 6�4 Generating A Test Pattern; 6�5 Ptz Control - Monacor AHD-100TEST Mode D'emploi

( ) and use the arrow buttons (22) to
1× ... 4×
select the desired image section . The position
of this section within the image is shown as
a green box in a rectangle .
4) To change the image settings, press the but-
ton SET (17) . The following setting options
are displayed:
Video analyze
Brightness : +30
Contrast: 100%
Saturation : 100%
Use the button  or  (22) to select the
desired setting and use the buttons  and 
(22) to change the setting . Press the button
SET (17) again to confirm .
6.3 Testing an audio signal
To test an audio signal, connect, for example,
the audio output of a camera to the 3 .5 mm
jack AUDIO IN (24) . The jack has 3 poles and is
therefore also suitable for testing stereo signals .
The (monophonic) sound will come out of the
speaker on the rear of the tester .
6.4 Generating a test pattern
The tester is able to generate a test signal with
a colour bar pattern to test a monitor or video
recorder .
1) Use a 75 Ω cable to connect the video input
of the unit to be tested to the BNC jack
VIDEO OUT (2) .
2) Call up the menu item
3) Use the button  or  (22) to select the line
and use the buttons  and  (22)
standard
to set the desired colour TV standard .
4) Use the button  or  to select the line
and use the buttons  and 
display select
.
Colorbar Generator
to define whether the generated test pattern
( ) or the signal at the video input
video Output
( ) is displayed .
video Input
When a test signal is sent to the video output
and the signal available at the video input
is indicated, it will be possible to evaluate
the quality of a transmission path connected
between the output and the input .
6.5 PTZ control
To test cameras with remote control options
for their movements or lenses (PTZ = pan, tilt,
zoom):
1) Connect a camera with RS-485 or RS-422
interface to the jacks RS485 (1) . Use the plug-
in screw terminals or the adapter cable with
crocodile clips . Always observe the polarity
when connecting!
Alternatively, use the jack RS232 (23) for
control via RS-232 interface .
2) Call up the menu item
3) Configure the interface in accordance with
the camera connected (
4) Use the arrow buttons (22) for pan ( and )
or tilt (  and ) .
5) Use the buttons ZOOM (21), FOCUS (19) and
IRIS (20) to adjust the focal length, focus and
iris of the camera . Depending on the cam-
era model used, not every function may be
available .
6) Options to control the movement speed of
the camera and to load and save presets
in the camera are accessed via a submenu
☞
( chapter 6 .5 .1) .
The transmission indicator
flash whenever a control command is sent .
.
PTZ Controller
☞
chapter 6 .5 .1) .
(5) will briefly
T
19