130-01 Operations
Refraction Technology, Inc.
32
To set the GPS Mode for how the GPS will be used to phase lock the
internal VCXO:
3.
Select one of the options, as described below, from the Mode drop-down menu.
Mode Option
Description
Before CPU
firmware version
2.7.3
Hard coded as Cycled
After 2.7.3
Continuous
The GPS is never turned OFF and the 130 performs its GPS wake
cycles continuously.
Cycled
After the first GPS wake cycle, the GPS is powered OFF for 20 minutes.
The GPS is then powered ON for one wake cycle and then powered
OFF for 20 minutes again. The 130 repeats the 20 minutes OFF and
ON for 1 GPS wake cycle while in the Duty-Cycle mode.
OFF
The 130 will turn the GPS ON for the first GPS wake cycle. After the
first GPS wake cycle, the GPS is powered OFF and never powered ON
again.
4.
Select the Apply button to accept the Mode option.
Figure 8 GPS Mode
5.
Return to the main PFC_130 menu by taping Done on the GPS menu and Done
on the Status menu.
Mode
Apply
Содержание 130-01
Страница 16: ...130 01 Operations Refraction Technology Inc 2 ...
Страница 54: ......
Страница 82: ...130 01 Operations Refraction Technology Inc 68 Figure 51 PTO Connector ...
Страница 87: ...Doc 1301 Ops Rev 2 9 1 10 30 08 Refraction Technology Inc 73 ...
Страница 88: ...130 01 Operations Refraction Technology Inc 74 ...
Страница 89: ...Doc 1301 Ops Rev 2 9 1 10 30 08 Refraction Technology Inc 75 ...
Страница 96: ......