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70 Pelco Manual C681M-D (2/02)
RECORDING
A-
7.5F
(or POWER setting)
Illustration 1:
Correct setting
Backup
Longer than 5 minutes
RECORDING
A-
7.5F
(or POWER setting)
Backup
RECORDING
A-
7.5F
(or POWER setting)
Longer than 1 minutes
Longer than 1 minutes
Illustration 2
3. Precautions when designating simultaneous timer backup
The backup program, which can be designated as an individual operation, can also be
designated with the record and power programs. The following items apply when des-
ignating these multiple program modes.
There may be restrictions imposed by the other recording devices. It is recommended
that adequate program checks are run before actual operation.
Observe the following precautions when connecting devices requiring time to halt
startup (for example, archive devices, tape recording devices etc.)
• Using the backup setting’s designated time plus five minutes (the halt startup
time of the peripheral recording devices) as a gauge, set the unit so that modes
do not change. (Refer to illustration 1.)
• Even when only designating the backup mode, add one minute or more to the
backup operation time, and set other programs to start and stop. (Refer to Illus-
tration 2.)
RESTORING DATA FROM A BACKUP DEVICE
The recorder can restore recorded data to the hard disk from an archive or copy device.
Follow the steps in the section on
Using the COPY Button
in the
Backing up Data
section.
In step 7, set the Copy Direction to COPY –> HDD. In step 8, ON is the only setting avail-
able for OVERWRITE. During the restoration process, image data currently stored on the
unit’s hard disk is overwritten.