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96 997-01530-01, Rev. C-25, Jan 2008
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F111 – J2 Output (Rate, PPO)
Use function F111 to configure the J2 Output to generate one of several rates or, optionally, a
Programmable Pulse Output (PPO). F111 selects from one of the following rates: 1 PPS, 10 PPS,
100 PPS, 1 kPPS, 10 kPPS, 1 MPPS, 5 MPPS, 10 MPPS, or PPO. The default factory setting is
10 MPPS.
Note: PPO is an optional feature. If purchased at the same time as the XL-GPS, it comes enabled on
the system. To purchase this option after you have purchased the XL-GPS, contact Symmetri-
com Sales. See “
H: Sales and Customer Assistance” on page 143.
For J2 specifications, see “J2 - Rate Out” on page 5 or “J2 - Optional Programmable Pulse Out (PPO)”
on page 6.
Notes on F111 PPO:
• PPO can provide a single pulse output or repetitive pulse outputs.
• PPO can start and stop the pulse at any time in the year, with a resolution of one microsecond.
• The repetition rates from PPO are based on "wildcards". See “
Repetitive PPO pulse outputs” on
page 98 regarding usage of "wildcards" to specify PPO repetition rates.
• PPO can provide the following sub-second repetition rates: 100 kPPS, 10 kPPS, 1 kPPS, 100
PPS, and 10 PPS.
• If PPO only specifies one time, it is the start time. The stop time is automatically set for one
microsecond later.
Keypad
Selecting one of the Standard Rates: Using the keypad, press the ENTER, 111, ENTER buttons.
Select one of the standard rates using the up/down arrow buttons and press the ENTER button again.
When prompted “Save changes? Yes”, press the ENTER button one more time.
Programming the PPO option: If available, “PPO” appears as the first option when you enter F111.
Press the ENTER button to start programming PPO (Otherwise, use the up/down arrow buttons to select
one of the standard rates). The display shows the “PULSE START TIME” followed by the Time of Year
and Time of Day fields. Program the PPO option as explained in the Command Line section, below. Use
the CLR key to enter the “X” wildcards, if needed.
Command Line
Requesting the Current Configuration
To request the J2 Output Configuration, enter the following:
F111<CR>
XL-GPS responds in the following format: