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■ Audio rec.
Select "On" or "Off" to determine whether or not to
record audio together with images.
Audio can be recorded together with images. It is
impossible to record audio without images.
Audio recording is available only when using cameras
that support the audio recording function.
Refer to the "readme.txt" on the provided CD-ROM for
information about the camera models that support the
audio recording function.
Camera setup
■ SD memory rec.
Determine whether or not save images on the SD mem-
ory card when the network communication is discon-
nected during emergency recording.
The following recording rates are available for "SD
memory rec.".
Off (default)/0.1ips/0.5ips/1ips
Refer to page 36 for further information about the SD
memory recording.
Note:
• Therecordingratesettingfor"SDmemoryrec."is
available only for cameras that support the SD
memory recording function and their image com-
pression method is set to "M-JPEG".
• DonotsettherecordingrateoftheSDmemory
recording for the same camera with multiple record-
ers.
• Itisimpossibletosimultaneouslyperformaudio
recording and the SD memory recording.
• Whenthe"SDmemoryrec."settingonthe
"Emergency rec." page is set to other than "Off" for
a camera channel, the "Audio rec." setting on the
"Emergency rec." page for this camera channel will
be set to "Off" automatically.
Important:
• Ifreceivingasignalinputthattriggersanemergency
recording when the communication between the
recorder and the camera is not established, the SD
memory recording will not be performed (since the
camera cannot recognize the trigger of the emer-
gency recording).
• Whenselecting"On"for"Audiorec.",makesure
that the settings of the camera are configured to
transmit audio. Set also the audio bit rate of the
camera to "32kbps".
• Whentheaudiobitrateofthecameraischanged
during operation, set the "Audio rec." setting of the
recorder to "Off" once, and then set to "On" again.
• Audiomaybeinterrupteddependingontheaudio
transmission interval setting of the camera. Change
the settings of the camera according to the network
environment.
• Audiomaybeinterrupteddependingontherecord-
ing rate setting. Change the recording rate setting
according to the network environment.
• Torecordaudio,select"Micinput"or"Interactive
(Full-duplex)" for the "Audio transmission/reception"
setting of the camera."Interactive(Full-duplex)" may
not be available depending on the model or version
of the camera. Refer to the operating instructions of
the camera in use for further information.
• Audiowillberecordedregardlessofthescreenpat-
tern (1-screen, multi-screen).
[Measurement] button
It is possible to check if the set recording rate and
transmission rate are appropriate for the network in use
by clicking the [Measurement] button. When the record-
ing rate or the transmission rate is displayed in red, it
may be impossible to transmit live images or record
images at the current rate. It will take around 90 sec-
onds to check.
• Whentheresultvalueisbeyondthemaximumnet-
work speed of the recorder, the following may occur
due to the heavy network traffic:
• Someimagestoberecordedmaynotbedone.
• Someliveimagestobedisplayedmaynotbe
done.
• Somealarmstobeissuedmaynotbedone.
• Operationalresponsemaybecomeslow.
• Therecordermayreboot.
• Evenwhentheresultvalueisbelowthenetwork
speed (128 Mbps as indication), the above prob-
lems may occur depending on number of the con-
nected cameras and PCs.
Important:
• Networktrafficchangeseverymoment.Inanycir-
cumstances, the result value should be less than the
maximum network speed of the recorder.
• Intheprocessofthemeasurement,recording,play-
back, live image display and copying will stop.