Ag Leader GPS 2500 Firmware Update Instructions - Manual (Page 3)

4/21/14 Rev
D
3
Note: Verify the default NMEA strings are turned on (GGA, VTG) after the upgrade. If they are not,
the receiver will not communicate with the display. Turn the strings on using PocketMax PC or
contact tech support for assistance.
RTK Unlock Code:
You can enter an unlock code within the display GPS setup:
Alternatively, you may enter the RTK unlock code from a PC:
1. Go to http://support.agleader.com/ and download the Pocket Max PC program. (alternatively,
most any Terminal Program will also work)
2. Connect the GPS receiver to a serial port on your computer and power it.
3. Double click and run: Pocket Max PC
4. Select the serial port the GPS receiver has been connected to. (Com 1, Com 2…) The baud rate
required is not important as long as Auto‐Baud is checked. Once completed, press Search
5. When the program finds your connected receiver, click [OK] at the bottom of the screen
6. Click on the TMNL link at the bottom of the program as shown in Figure 1
7. Enter the $JK command, followed by the unlock code as show in Figure 2 and click the SEND
button.