Digiscan Labs Protect 1207i Panduan Pengguna - Halaman 8

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The Visual mode gives extra information to the operator by showing

a suggested protocol on the display. The recognition is based on

analyzing the demodulated signal and is in most cases sufficiently

accurate. Enter this mode when inspecting the RF source.

The Vibration mode allows the operator to avoid constantly watching

the bar graphs when inspecting areas that are difficult to access, and

to achieve secrecy during a sweeping procedure. By default the

vibration turns on when a constant signal has reached a bar graph

level of 5. You can use the Setup mode to change this threshold:

Firstly, turn off the Protect 1207i by pressing and holding the joystick's

button, then turn the unit on again in the normal manner. Use the

up/down arrow to select the desired threshold level of vibration. After

this procedure has been completed press the joystick's button to start

normal operation.

Move around the room with the Protect 1207i while watching its bar graphs

or paying attention to the vibrator. Turn the lights and other equipment in

the room on and off. Walk around the room, continuously watching the

indicator or feeling for the Protect's vibration. The bar graph level will

increase or decrease when the detector is closer to, or farther away from a

transmitting device.

Probe all objects which may contain a hidden surveillance device. When

you get close to an RF transmitting device some of the bar graphs of your

Protect 1207i will rise (or the vibration will appear). The distance of

detection may vary depending on the situation. Usually the Protect 1207i

is able to detect a GSM 'bug' at a distance of 2-10 meters and a Bluetooth

channel at 50-150 cm, although it is recommended to probe objects at a

closer proximity 10-30 cm.

The bar graphs can display 10 different levels. You can use the attenuator

to decrease the sensitivity when performing the location procedure (finding

the source of the RF field). Use the ATT+ arrow when the bar graph shows

a high level to force the unit to react to a stronger field only.

Please note: If you want to continue sweeping after the location of one

bugging device, it may be necessary to restore the normal sensitivity of the

Protect 1207i by using the ATT- arrow.

If you have found a source of wireless transmission inspect it very carefully

to detect if it is a 'legal device'. Consult IT employees to become acquain-

ted with the scheme of wireless access points and the location of wireless

telephones used in the office.