- 36 -366. Messages send by WTGAT:Message from the WTGAT can be send using SMS or GPRS. In SMS only mode all data is sent using SMS.In SMS and GPRS mode all messages are sent using GPRS. If SMS and GPRS mode is enabled and GPRSis not available then any input activations will be sent using SMS. Whenever GPRS is available again theunit will use GPRS again. In case real time tracking is enabled in SMS and GPRS mode and GPRS is notavailable then the unit can send the data using SMS if enabled (see configuration menu).If GSM signal is not available and input is activated then the tracking unit will send the alarm message assoon as there is GSM signal again. The time and date in the message is from the GPS time and date at thetime the message is sent.If real time tracking is enabled and there is no GSM signal then the information will be lost. The tracking unitwill still save GPS locations using the ‘GPS reading/saving interval setting’ if the GPS location is valid.1. Location Message.2. Confirm Message for Update.3. Missed messages for real time tracking.1.Location Message:The data length is always the same!Sample:05*850,000,PT35,A,2459.3640,N,12125.2958,E,000.0,224.8,00.8,07:47:26 09-09-05,1.00,80,3F,353425142654345ID Code (6 Bytes in ASCII), Status code (3 Bytes in ASCII), Unit number, Status (A or V), Latitude, N/Sindicator, Longitude, E/W Indicator, speed, Course, HDOP, GPS time lat/lon value - GPS date lat/lon value,Unit Version number, battery power level, ADC voltage level, ID CODE:The ID code can be 05*850 or 05*827.05*850 is returned when the unit has received a request message from base to send alocation message.05*827 is returned if any input is activated.STATUS CODE:Sent in ASCII code for text message. Add $30 to First, Second and Third Code.; First code:; 1 = Battery power low <20%; 2 = Motion alert alarm; 4 = Park alert alarm; 8 = Entering Sleep mode message; 16 = Temperature from Digital Thermometer (DS18S20) above or below the configured value; Second Code:; 1 = Panic Button Activated; 2 = Motion detection alarm enabled; 4 = Park detection alarm enabled; 8 = 24 Hour no motion alarm activated; Third Code:; 1 = Vehicle traveled above MAX configured speed limit; 2 = AUX1 input activated; 4 = ADC activated; 8 = 0 -> Positive temperature reading; 1 -> Negative temperature reading