53
Commands
FREQ
DESCRIPTION
Sets/returns the operating frequency.
PARAMETERS
The operating frequency and step (Hz), or none in the
GET
version.
RETURNS
The actual frequency and step, in Hz.
REMARKS
GET/SET
.
REMOTE
Yes,
SET
only.
EXAMPLE
FREQ 433925000 25000
193 FREQ 0
#
FREQ
193 FREQ 433925000 25000 0
#
DATA
DESCRIPTION
Returns data stored for a certain device.
PARAMETER
The ID of the device for which the data is requested and the date/time (in the stan-
dard format) the data was stored. If missing, it refers to the data of the local device.
RETURNS
A data block.
REMARKS
GET
only. If the date/time parameter is not included, the latest data is returned. If
the date/time parameter is included, the date and time closest to, but later than, the
given date/time is returned.
REMOTE
Yes, for a
GET
, but only one frame at a time. The A440 implements only the remote
version.
EXAMPLE
DATA 193 12/12/1998 12:12:12
193 DATA b1 b2 b3 ... bn 0
#
The data block returned will typically contain a number of data frames (telegrams).
The structure of a block is as follows:
dd mm yyyy hh mm ss si ft d1 d2 ... dn dd mm yyyy ... dn cs
where:
•
dd mm yyyy
is the date
•
hh mm ss
is the time
•
si
is the size of the frame
•
ft
is the frame type
•
d1 d2 ... dn
are the data values (the frame content)
Summary of Contents for A440
Page 6: ...6 ...
Page 8: ...8 Introduction This manual is intended for the radio approval authorities and laboratories ...
Page 15: ...22 Hardware Figure 7 A440 Back view ...
Page 16: ...23 A440MB Figure 8 A440 Top view Figure 9 A440 Bottom view ...
Page 17: ...24 Hardware Figure 10 A440 Left and Right views ...
Page 18: ...25 A440MB Figure 11 A440 Case opened Figure 12 A440 Motherboard top view ...
Page 19: ...26 Hardware Figure 13 A440 Motherboard bottom view ...
Page 31: ...45 Data Transfer Check 3 6 Frequency Reference Specifications ...
Page 33: ...47 Data Transfer Check Figure 23 A431 Module Bottom view ...
Page 34: ...48 The A431 Radio Module ...