Symmetricom Z3801A, User Manual

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Chapter 4 Command Listing and Status Information
Z3801A Commands
4-6 User’s Guide
[SOURce]:PTIMe Node Only
:FFOMerit? returns INT Frequency figure of merit. Generates an error
(
−
230, Data corrupt or stale ) when this value is
unavailable.
:GPSystem Node Only
:ADELay <numeric in seconds> Sets antenna delay in seconds. Caution: use of
this command while Receiver is in normal locked
operation can cause jump to holdover.
:EMANgle <numeric in deg> Sets elevation mask angle in degrees. 90 is
straight up.
:INITial Node Only. By setting all of the commands in this
group, faster initial GPS acquisition may occur.
Receiver uses initial date, time, position with
almanac to predict which satellite should be
visible. Note that time and position only have to
be approximate for this to speed up acquisition.
Acquisition will still occur even if these commands
are not used.
:DATE <yr>,<mo>,<day> Use to speed up tracking of first satellite.
Not queryable.
:TIME <hr>,<min>,<sec> Use to speed up tracking of first satellite.
Not queryable.
:POSition <location> Use to speed up tracking of first satellite.
<location> = N | S, <deg>, <min>,
<sec>,E|W,<deg>,<min>,<sec>,<elevation in m
(mean sea level). Not queryable.
:POSition send: <location> |
SURVey | LAST
returns: <location>
Places Receiver in position-hold mode at this
location. See above for <location> definition.
SURV means to use current survey location
estimate, LAST means use last position-hold
value. During survey, query returns current
survey location estimate.
:HOLD Node Only
:LAST? returns location
(see definition with
:GPS:INIT:POSition)
Identifies last hold position. This can be used if
the Receiver has been commanded to survey but
is making no progress. This query returns the last
location.
Table 4-2. Z3801A PRIMARY Commands (continued)
Keyword/Syntax Parameters/
Responses Comments