Orion NMEA User Manual
GPS Receiver Module
Micro Modular Technologies Pte. Ltd.
Page 16 of 25
No. 3, Ubi Avenue 3, #03-02 Crocodile House 408857 Singapore
Tel: 65-6745-8832 Fax: 65-6293-0661 Email: sales@micro-modular.com
www.micro-modular.com
4.3
STOP Command
Stop navigation:
$PUNV,STOP*29
4.4
SLEEP Command
Enter the sleep mode:
$PUNV,SLEEP*7E
To wake up from sleep, send a command to the serial port. Since the command will not be executed,
its content is arbitrary. Orion always wakes in the AUTO mode.
If the board design includes an external RTC (please refer to the module Data Sheet), the
SLEEP command can specify a sleep duration. Note that the receiver will wake up on
UART activity or when the duration expires, whichever occurs first.
$PUNV,SLEEP,HH,MM,SS*CC
HH
is hours [0 to 24]
MM
is minutes [0 to 59]
DD
is seconds [0 to 59]
Maximum sleep time is 24,59,59 and minimum is 00,00,05.
Example (sleep for 30 seconds):
$PUNV,SLEEP,00,00,30*cc
4.5
START Commands
Cause an immediate restart:
$PUNV,START,AUTO*52
$PUNV,START,COLD*59
$PUNV,START,WARM*59
$PUNV,START,HOT*0E
$PUNV,START,FAST*5D
The START command will be echoed only after the system has stopped (which takes approximately
one second). Until then Orion will produce navigation data.