CHAPTER FOUR
• The first digit enables or disables the printer port.
0 = printer port disabled
1 = printer port enabled
• The second digit enables or disables position information output.
0 = position information disabled
1 = position information enabled
• The third digit enables or disables the output of option data (if available).
0 = option data disabled
1 = option data enabled (if the option itself is available and has been
previously turned on)
Example: $n101
The unit responds with OK CR/LF.
The above example illustrates the user turning on the printer port, not outputting any position
information, but outputting option data (such as external frequency measurement). Refer to the
following examples of output data:
94 027.17:04:38 M0 S00 E00 25 00 00 00 -0019-E12 33 48.8270N 117 53.3864W +0028 T1
705337.512
94 027.17:04:43 M0 S00 E00 25 00 00 00 -0019-E12 33 48.8270N 117 53.3864W +0028 T1
705337.512
94 027.17:04:48 M0 S00 E00 25 00 00 00 -0019-E12 33 48.8270N 117 53.3864W +0028 T1
705337.512
4-22 ET6xxx ExacTime GPS TC & FG (Rev C) Symmetricom Inc