TTI BX688, Руководство пользователя

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BX 688 User Guide
Fatigue Alarming Speed Setting
DIP2 and DIP3 switches, for fatigue alarming speed setting (when vehicle
speed is lower than warning speed, no alarm; when parking, reversing, low
speed inspecting etc, automatic no alarm.)
DIP2=OFF (down), DIP3=OFF (down), any speed will alarm.
DIP2=OFF (down), DIP3=ON (up), alarm when more than 20KM/H.
DIP2=ON (up), DIP3=OFF (down), alarm when more than 30KM/H.
DIP2=ON (up), DIP3=ON (up), alarm when more than 45KM/H.
Volume Adjustment
Everyone has the different requirements about the alarm volume. The volume can be set by
adjusting the
Switches (DP-4).
3A: DIP4=OFF (down), high volume.
DIP4=ON (up), low volume.
Notes:
After adjusting the DIP sensitivity switch, the new sensitivity can only be effective after the power
is off
and re-connected. The Volume function can automatically restart after adjustment, doesn’t need
disconnect and re-connect the power.
BX 688 Speed detection function
* only for the BX 688 commercial professional version
The usage of BX 688 commercial professional version is same as normal BX 688, and function of
automatic speed detection is added. This function can avoid false alarm during car's parking or
reversing.
Function
of speed detection:
1. BX 688 commercial professional version has added speed detection function. When the
immediate speed is lower than setting one, BX 688 won't alarm even fatigue characteristics
is detected. As car/driver is safe when speed is low, and usually fatigue characteristics
is aroused by driver's parking or reversing. Then false alarm will be avoided and
interference to driver can also be reduced, so drivers can accept to use BX 688 easily.
2. Speed detection is calculated by GPS signal. For the first time of set-up, GPS satellite
signal search is needed. Usually it needs about 2 minutes, and the specific time is related to
specific environment, and when it starts again, search time will shorten as vehicle position
don't change.
3. When GPS signal is searched, voice prompts is 'GPS connection has been restored'. When
there is no GPS signal (vehicle is in underground parking), voice prompts is 'No GPS
1 2 3 4
ON
(3A)
1 2 3 4
ON
(2A)