Bedienungsanleitung Aritech ATS1234 (Seite 7 von 36) (Englisch, Holländisch, Dänisch, Französisch, Italienisch, Finnisch)

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19. 17 ENTER (Create Zone 17)

20. ENTER (Skip text)

21. ENTER (Confirm or change Zone type 2)

22. ENTER (Confirm or change reporting code)

23. 0 (Skip Audio listen in etc.)

24. ENTER (Confirm Area 1 or change area number)

25. ENTER (Confirm NO event flag)

26. 0 (Skip internal siren settings etc.)

27. Continue with next zone if required.

For more details on how to program / delete a sensor, refer to menu

28, 1 of the Wireless DPG (see below).

For more details on how to program a zone, refer to the ATS

programming manual.

Menu 1, DGP Status

The DGP status menu shows the following status information:

1. Operating or if applicable Cover tamper, Wall tamper,

Antenna tamper, or Jamming

2. RF moise level left antenna.

3. RF moise level right antenna.

4. Number of detectors, which report low battery.

5. Number of detectors with long supervisory fail.

6. Number of smoke detectors reporting dirty.

Jamming

Jamming is detected by the reciever.

A jamming condition can occurs if you have more than 30 seconds

jamming within any one minute.

A DGP tamper condition will be generated if the system is blocked

due to jamming.

Approval

The jamming detection is approved according to the EN 50131-5-3

(on 868 FM).

Checking the RF noise level

Electromagnetic noise or Radio Frequency (RF) noise level is a major

consideration when finding the best location for a wireless receiver.

To assist with this process, the Wireless DGP can indicate on the RAS

display the noise received. Remember: RF noise may be transmitted

intermittently from passing cars with noisy ignitions, electric

machinery under load or even household appliances.

The optimum location for the receiver is where the displayed noise

value is minimal. In a good environment, expect values in the range

between –100 and -120 dB). In a bad environment, expect values

between –80 and –100 dB.

In the acceptable installation location the signal strength of the

sensor should to be at least 6 dB above the noise level (please refer

to Menu 5, View signal Level on page 7).

 Reception depends on a number of factors, and these are

infinite. To illustrate, reliable reception is much more likely in

example 1 than in example 2 below:

Example 1: You may have a high noise level, but due to the wireless

sensor being in close proximity, the signal strength may be

adequate for reliable operation.

Example 2: You may have a low noise level and weak signal from a

distant wireless sensor.

 Use Menu 1 to display the current noise level via the RAS.

Menu 2, Program Zones

With a defaulted DGP, a zone can be programmed (learned) or

deleted via menu 2.

Learning a zone:

• The zone number needs to be entered in the range of the

DGP address.

• If not occupied the display shows the zone number with text

"Unused".

• When the zone number is confirmed by Enter, the display

shows: "how many zones".

 868FM devices have only one zone: not applicable.

Deleting a zone:

• The zone number needs to be entered in the range of the

DGP address.

• If the zone is occupied it shows the details of that zone i.e.

17 DWS (door window sensor).

• When the zone number is confirmed by Enter, the display

shows: "Delete Device"?

• When confirmed with the menu key, the device will be

deleted completely.

Menu 3, View RF Devices

Every wireless sensor has a unique factory programmed number,

visible in the RAS. Use this menu to identify the sensor ID number if

required or to identify the type of sensor.

"Unused" will appear instead of an ID number if the zone is not

programmed.

Menu 4, View Zone Status

You can check the status of a zone input sensor. Depending on the

sensor type, there are six possible sensor-warning messages:

Warning Description

Normal Operating normally

Alarm Zone in alarm

Tamper Tamper

Supervision Long or smoke Supervision Fail

Batt Low battery warning

Dirty Smoke detectors only

Menu 5, View signal Level

You can check the received signal level of each sensor here.

If the DGP is powered up after maintenance a sensor will show

signal level 0 until the sensor transmitted an alarm or supervision

message.

A sensor transmits a supervision message every 15 minutes,

a smoke sensor - every 64 minutes.

Checking the receiver sensitivity

To ensure the sensor is installed within an effective range of the

ATS1234 or repeater, the installer can check the signal strength of a

wireless sensor’s last event transmission on the RAS screen.

If a sensor is communicating effectively, it will display a value of –40

dB or less.

Key in the number of the zone and press [ENTER] to view the signal

strength. If the zone isn’t programmed or if the Wireless DGP has

just been powered up, a signal will not been received and the RAS

will display 0 dB:

When a successful signal is received the RAS screen will display the

signal strength in dB and sound two beeps.

For reliable transmission, the sensor’s signal strength must be

between -40 and –100 dB, but it needs to be at least +6 dB above

the RF noise level.

The dB range for the Wireless DGP is from -105 to 0 dB

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