Mini-JLT GNSS™ User Manual
32 © 2017 Jackson Labs Technologies, Inc.
3.9.1.3 SYSTem:COMMunicate:SERial:BAUD
This command sets the TTL serial speed. The serial configuration is always 8 bit, 1 stop bit, no
parity, no HW flow control. Upon Factory reset, the speed is set at 115200 bauds. This command has
the following format:
SYSTem:COMMunicate:SERial:BAUD <9600 | 19200 | 38400 | 57600 | 115200>
3.9.2 SYSTem:STATus?
This query returns a full page of GNSS status in ASCII format. The output is compatible with the
GPSCon Windows program.
3.9.3 SYSTem:FACToryReset ONCE
This command applies the Factory Reset setting to the EEPROM. All aging, tempco, and user
parameters are overwritten with factory default values.
3.10 SERVO Subsystem
This subsystem regroups all the commands related to the adjustment of the servo loop:
SERVo:COARSeDac <int> [0,225]
SERVo:DACGain <int> [0.1,10000]
SERVo: EFCScale <float>[0.0 , 500.0]
SERVo:EFCDamping <float>[0.0 , 4000.0]
SERVo:SLOPe <NEG | POS >
SERVo:TEMPCOmpensation <float> [-4000.0, 4000.0]
SERVo:AGINGcompensation <float> [-10.0, 10.0]
SERVo:PHASECOrrection <float> [-100.0, 100.0]
SERVo:1PPSoffset <int> ns
SERVo:QUIet <ON | OFF>
SERVo:TRACe <int > [0,255]
SERVo:FASTlock <int> [1,20]
SERVo:FALEngth <int> [100,20000]
SERVo?
3.10.1 SERVo:FASTlock
The FASTlock command enables the FASTLOCK mode, and sets its gain parameter. Fastlock works
by momentarily multiplying the EFCScale gain to a value determined by this SERVo:FASTlock
parameter. Gain values of 1x to 20x can be set, with a gain of 1x effectively disabling the
FASTLOCK feature.
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