Huf DAG Key Gen. 6 User manual

User’s Manual of the DAG Key Gen. 6
PDSCA1 - T. Herzog Seite 1 von 6 28.08.2014
Huf Hülsbeck & Fürst
User’s Manual
of the
DAG Key Gen. 6
Model: HS1

Technical Description and User’s Manual of the DAG Key Gen. 6
PDSCA1 - T. Herzog Seite 2 von 6 28.08.2014
Huf Hülsbeck & Fürst
Contents
1 General operation of the key.....................................................................................................................3
2 Operating frequencies of HF transferral....................................................................................................3
2.1 3-channel ............................................................................................................................................3
2.2 Operation of channel-frequencies and power-modes.........................................................................4
3 Block diagram............................................................................................................................................4
4 Technical data ...........................................................................................................................................5
4.1 Electrical characteristics .....................................................................................................................5
4.2 General HF specification.....................................................................................................................5
4.3 Disposal ..............................................................................................................................................5
5 Declaration of Conformity, product Label..................................................................................................6
5.1 Radio equipment authorization to FCC in USA ..................................................................................6
5.2 Radio equipment authorization to RSS-210 in Canada......................................................................6
5.3 Location of product label.....................................................................................................................6

Technical Description and User’s Manual of the DAG Key Gen. 6
PDSCA1 - T. Herzog Seite 3 von 6 28.08.2014
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1 General operation of the key
The DAG Key Gen. 6 consists of a HF transceiver. It is used to transmit the information for locking or
unlocking the vehicle by an uni-directional (Remote Keyless EntryRKE) or bi-directional (Keyless
Go/Start operation after a LF Wake UpKG) HF transmission.
At KG the Vehicle Key reacts on a LF Wake Up-Signal from the vehicle (initiated after push of the
Start/Stop-button of the vehicle or a sensor, which recognizes the wish to lock or unlock the vehicle or to
open the trunk) from the vehicle and after that a bi-directional HF communication for autorization is initi-
ated. When the authorization is successful the vehicle performs the desired action.
For RKE there are two separate buttons each one for locking and unlocking the vehicle. The keys for all
vehicles with a boot lid are additionally equipped with a third button to open or close the trunk. The key is
provided with an additional button to (de-)activate the “PANIC” function for the vehicles intended for the
US market.
2 Buttons 3 Buttons 2 Buttons + Panic 3 Buttons + Panic
In general the following functions are provided:
- Lock the car (KG and RKE)
- Unlock the car (KG and RKE)
- Open/Close the trunk of the car (KG and RKE, only 3 button variants)
- (De-)Activate Panic Function (only RKE and USA variant)
- Engine Start of the vehicle (KG)
For emergency start, when the battery power is too low, the DAG Key Gen. 6 has a bi-directional very
short range (< 10cm) LF-Transponder interface .
2 Operating frequencies of HF transferral
2.1 3-channel
Up to 3 channels are possible. The following table shows the carrier frequency of the individual channels
for each frequency band.
Frequency Variant
Frequencies
Channel 1 (CH1)
Channel 2 (CH2)
Channel 3 (CH3)
433.92MHz 433.47MHz 434.37MHz 433.92MHz
315MHz 314.00MHz 314.90MHz 314.45MHz

Technical Description and User’s Manual of the DAG Key Gen. 6
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2.2 Operation of channel-frequencies and power-modes
Normally each key operates in 3-channel mode at the respective frequencies listed above. Since some
countries allow operation with higher HF-transmitter power, the key fob can be configured between two
RF power modes.
When individual frequencies of the 3 HF-channels are not allowed to use this channel(s) will be switched
off. This especially information depends on the countries and is available by the country code of the elec-
tronic ignition switch. The key changes its operation at the first time it is be authentically used. The
change of used channel frequencies and power mode is durable locked and can not be changed after
this.
3 Block diagram
XTAL
24,74 MHz
H
F Transceiver
433.47/433.92/434.37 MHz
314.00/314.45/314.90 MHz
H
F Antenna
Matching
µController
2-4 Micro Switches
LED
Programmer
Interface
LF-ASIC
3D-LF-Coil
3 V
Battery
CR2032
PCB
Loop Antenna
SAW Filter
Temporarily
4.12 MHz (f
XTAL
/6)
3D
-
Transponder
21,845 kHz
RSSI
-
Measurement
Powermanagement

Technical Description and User’s Manual of the DAG Key Gen. 6
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4 Technical data
4.1 Electrical characteristics
Power supply: Battery (CR2032, coin cell)
Type of Battery: Lithium
Voltage range: 2,1V … 3,2V
Temperature range: RKE/KG: -20°C … +65°C
Emergency start: -40°C … +85°C
4.2 General HF specification
3-channel operation:
f
op1
= 433.47 MHz / 433.92 MHz / 434.37 MHz
f
op2
= 314.00 MHz / 314.45 MHz / 314.90 MHz
Transmission power EIRP:
433.92 MHz variant: < -14.4 dBm
315 MHz variant: < -19.6 dBm
Type of modulation: FSK, deviation ±10 kHz
Type of HF antenna: PCB Loop antenna
4.3 Disposal
An old battery must be lodged at a collection point or the service.