Holux gr-231 Benutzerhandbuch

 

HOLUX 

GR-231 Bluetooth GPS Receiver Manual 

 

 

6

 

Chipset：

SiRF Star IIe/LP chipset

. 

 

Channels：  12 parallel satellite-tracking channels. 

 

Frequency： 1575.42 MHZ. 

 

Receiver：  L1, C/A code. 

 

Reacquisition： 0.1sec. 

 

Snap start：  < 3 seconds (at < 25 minutes off period)   

 

Cold start： < 45 seconds.          

 

Warm start：< 38 seconds . 

 

Hot start：  < 8 seconds   

 

Update rate：  1 second continuously   

 

Normal：  5-25 meters CEP without SA.   

 

Enable EGNOS or WAAS：(Only for the standard software) 

Position:      < 2.2 meters, horizontal 95% of time 

<    5 meters, Vertical 95% of time 

 

Velocity：  within 0.1 meters / second 

 

Time：  1 microsecond synchronized GPS time 

 

Altitude：  < 18,000 meters (60,000 feet)   

 

Velocity:  ：< 515 meters / second (700Knots)   

 

Acceleration： 4 G.  

 

Jerk：  20 meters / second, max 

 

External Voltage: 5VDC +/- 10% 

 

Batteries：   
Main Power: Built-in rechargeable Lithium-ion for system power. 
Backup Power: Rechargeable Lithium-ion battery for memory & RTC backup. 

 

Working voltage: 80-90mA (Normal mode). 

  30mA (Power Saving). 

 

Working period (In Battery full power status):   

> 9 hours on Continue mode. 
> 16 hours on Power Saving mode. 

 

Protection circuit on GR-231 should stop charging the cell when