Bosch EX65, Instruction Manual

Page: 33 / 48

EX65 Explosion-protected Camera Operation | en 33
Bosch Security Systems, Inc. Instruction Manual F.01U.412.061 | 2.0 | 2011.08
8.5.3 Synchronization submenu
8.5.4 Alarm I/O submenu
8.5.5 Connections submenu
Item Selection Description
Synchronization Internal
Line lock
HV lock,
Genlock,
Internal - for free running camera operation.
Line lock - to lock to the AC power supply
HV lock - locks the camera to the sync signal supplied to
the SYNC connector.
Genlock - locks the camera’s subcarrier to the signal
supplied to the SYNC connector.
Horizontal phase -25 . . 0 . . +25 Adjusts the horizontal phase offset.
Subphase 0, 2 . . . 358 Adjusts the subcarrier phase.
EXIT Returns to Install menu.
Item Selection Description
Alarm input None, high,
low
Select none to disable the alarm input. Select active-high
or active-low for the alarm input connector.
Alarm action None,
Mode 1 to 6,
Mono
Selects the operating mode of the camera when the alarm
input is active.
Alarm output VMD,
External
device,
Night mode
active,
Filter toggle
VMD: - output relay closes on VMD alarms.
External device: - make the output relay available to
remote communication devices.
Night mode active: - output relay closes when camera is in
monochrome mode.
Filter toggle: - output relay closes just before the IR filter
starts moving and opens when video level has stabilized
(2 to 3 seconds)
EXIT Returns to Install menu.
Item Selection Description
Sync. input High Z,
75 ohm
Select 75 ohm if the external sync input is not
terminated elsewhere.
Notch filter On, Off Switches notch filter on or off. The notch filter can
remove a Moiré pattern or color artifacts caused by
closely spaced vertical lines or objects (e.g. vertical
security bars over windows).