| Digraph |
Function |
Command |
| AT |
Attenuator |
To set: ATn<CR>
n=0 (off), n=1 (on)
To read: AT<CR> |
| AU |
Auto mode |
To set: AUn<CR>
n=0 (off), n=1 (on)
To read: AU<CR> |
| BM |
Scan bank link on/off |
To read: BM<CR> Responds
with: BM n n n n n n n n n n, where n = digit corresponding
to linked bank, or - (not linked)
Example: BM 1 2 - - 5
- - - 9 - indicates that banks 1, 2, 5 & 9 are linked
To set:
BMnnnnnnnnn<CR> Where n is a digit which specifies
a bank which will have its link status set, or '-' to invert the current
status
Example: BM 1259 sets
the link status for banks 1, 2, 5 & 9
Note: the ML command can be used
to switch off all links |
| BN |
Change search/scan bank |
To set: BNx<CR> In
VFO mode, BN specifies the bank to use for search or scan mode (rather than
allowing the last used bank to be used as default)
To read: BN<CR> Responds
with bank number 0 - 9 MXx - scan mode SRx - search
mode |
| BQ |
Search bank link function
on/off |
To set: BQn<CR>
n = 0 (off), n = 1 (on) |
| BS |
Search bank link on/off |
To read: BS<CR> Responds
with: BS n n n n n n n n n n, where n = digit corresponding
to linked bank, or - (not linked)
Example: BS - 2 3 4 -
- 7 8 - - indicates that banks 2, 3, 4, 7, & 8 are linked
To set:
BSnnnnnnnnn<CR> Where n is a digit corresponding to
a bank to be linked
Example: BS 23478
inverts the link status for banks 1, 2, 5, 9 (ie if 1 was previously unlinked,
the command would link the bank; if 1 was previously linked, the command would
link the bank; etc...)
Note: the BQ command can be used
to switch off all links |
| EX |
Exit RS-232 |
EX<CR> Terminates remote
operation via the RS-232 and restores normal operation from the radio's front
panel. |
| LC |
Respond with frequency and level
when squelch opens |
LC<CR> Causes the AR-2700 to
respond with current frequency and S-meter reading and again whenever the
squelch opens. To terminate, send another command.
Response: LCnn
RFnnnnnnnnm0, where nn is an s-meter sample in the range 00-3f hex (64
steps) and nnnnnnnnm0 is the current frequency.
Example: LC1B
RF0145300000, s-meter 0x1b (27 decimal)
|
| LM |
Respond with S-meter
reading |
LM<CR> Responds with a
64-level s-meter sample in hexadecimal, LMnn, where
nn:
00-3F - squelch open (as per LC
command) B0-BF - squelch closed
|
| MR |
Respond with bank |
To read the curreny memory bank:
MR<CR>
To read the specified memory bank:
MRx<CR> where, x = 0 - 9
Typical response: MX902 MP0
RF1290000000 ST01000 MD1 AT0 MX903 MP0 RF0015100000 ST01000 MD1 AT0
MX904 MP0 RF0025100000 ST01000 MD1 AT0 ... Refer to individual commands
for breakdown of fields returned |
| MC |
Monitor |
To set: MCn<CR>
| 0 |
mute off |
| 1 |
mute on |
| 2 |
normal squelch
operation |
|
| MD |
Mode |
To set: MDn<CR>
To read: MD<CR> Responds
with mode value as above |
| MG |
Start scan. Respond with
freq/level when squelch opens |
MG<CR> Starts the scan and
responds with frequency and level data as per the LC command |
| ML |
Scan bank function on/off |
To set: MLn<CR>
n = 0 (off), n = 1 (on)
Note: see BM command for more
details of scan bank linking |
| MP |
Set memory channel as pass |
To set: MPn<CR> n = 0 (pass
off), n = 1 (pass on)
To read: MP<CR>
Setting pass on a memory channel
excludes it from scans |
| MQ |
Delete bank or memory
channel |
MQ<CR> Deletes the current
memory channel (when in memory recall mode)
MQnn<CR> Deletes
memory channel nn (where nn = 00 - 49)
MQ%%<CR> Deletes all memory
channels from the current bank. |
| MR |
Select memory recall mode |
MR<CR> Places the receiver
into memory recall mode (M.RE) and reports the last used channel
MRmnn<CR> Places
the receiver into memory recall mode (M.RE) and reports the contents of memory
channel nn (00 - 49) in bank m (0 - 9).
Note: the format of data reported
is the same as per the MR command
|
| MS |
Select scan mode |
MS<CR> Starts scan using the
current memory bank (or the last one used)
MSx<CR> Starts scan
using memory bank x (0 - 9)
Note: to scan and report active
frequencies, see MG command |
| MX |
Write data to memory |
MXmnn RFnnnnnnnnm0
AUn MDn STnnnnm0 ATn<CR> Writes
data of the format shown into memory channel nn in bank
m
Refer to the individual commands for
further details |
| PD |
Delete search pass
frequency |
PDnn<CR> Deletes
pass frequency in pass channel nn (00-49)
PD%%<CR> Deletes all pass
channels |
| PR |
Recall search pass
frequency |
PR<CR> Recalls all pass
frequencies
PRnn<CR> Recalls
the pass frequency stored in pass channel nn (00-49) |
| PS |
Set search pass frequency |
PSnnnnnnnn00<CR>
Adds the frequency nnnnnnnn00 (in Hz) to the next available pass
channel
PSnnnn.nnn<CR> Adds
the frequency nnnn.nnn (in MHz) to the next available pass
channel |
| PU |
Pause on/off (free
search/scan) |
To set: PUn<CR>
n = 0 (off), n = 1 (on)
To read: PU<CR> Responds
with pause setting
Note: pause value is specified
using the TP command |
| PW |
Set current frequency as
pass |
PW<CR> Add the current
received frequency to the next available pass channel |
| QP |
Power off |
QP<CR> Used to turn off power
to the radio (there is no command to switch it back on) |
| RF |
Set frequency |
RFnnnnnnnnm0<CR>
Tune to the specified frequency (expressed in Hz)
RFnnnn.nnnnm<CR>
Tune to the specified frequency (expressed in MHz)
m must either be '5' (for
6.25 kHz) or '0'. Any other digit is ignored.
|
| RR |
Record/playback |
RRn<CR>
| 0 |
Stop recording or
playback |
| 1 |
Start recording |
| 2 |
Start playback |
Note: You must select stop when
moving from playback to/from record
|
| RX |
Respond with current
frequency |
RX<CR> Recalls current
operating parameters in the following formats
VFO Mode |
RFnnnnnnnnm0
AUn MDn STnnnnm0 ATn |
| M.RE |
MRmnn MPn
RFnnnnnnnnm0 AUn MDn STnnnnm0
ATn |
Scan mode |
MAmnn MPn
RFnnnnnnnnm0 AUn MDn STnnnnm0
ATn |
Search mode |
SS RFnnnnnnnnm0
AUn MDn STnnnnm0 ATn |
|
| SC |
Change operating code |
(details unknown) |
| SE |
Set search data |
SEx SLnnnnnnnnm0
SUnnnnnnnnm0 AUn MDn STnnnnm0 ATn
Sets search parameters for search bank x.
Refer to the individual commands for
further details (SL and SU fields given below):
SLnnnnnnnnm0 Set the
lower frequency in a search (expressed in Hz)
SLnnnn.nnnnm Tune to the
specified frequency (expressed in MHz)
m must either be '5' (for
6.25 kHz) or '0'. Any other digit is ignored.
SU field obeys the same rules as SL.
Note, it is not possible to use SL and SU as commands in their own
right |
| SG |
Start search. Respond with
freq/level when squelch open |
SG<CR> Starts searching using
the parameters and search links currently selected.
Responses with, LCnn
RFmmmmmmmmmm, data whenever an active frequency which opens the
squelch is encountered
Refer to the LC command for details of
the parameters |
| SI |
Option unit |
(details unknown) |
| SR |
Recall search parameters |
SR<CR> Recalls the currently
selected search bank
SRx<CR> Recalls
search bank x (0 - 9)
Responds with: SRx
SLnnnnnnnnm0 SUnnnnnnnnm0 AUn MDn
STnnnnm0 ATn
Refer to the individual commands for
further details (except SL and SU which are described in the SE
command) |
| SS |
Start search |
SS<CR> Start searching using
the current search bank
SSx<CR> Start
searching using the parameters stored in search bank x (0 -
9) |
| ST |
Set search step size |
To set: STnnnnm0<CR>
Set the tuning step size in Hz
To set:
STnnn.nm<CR> Set the tuning step size in kHz
m must either be '5' (for
6.25 kHz) or '0'. Any other digit is ignored.
It is possible to enter step frequency
values from 1.01 kHz - 100 kHz, however, step sizes different to those listed
in the manual could lead to unstable operation of the receiver
To read: ST<CR> Responds
with value, format: STnnnnm0
|
| TD |
Set delay time |
To set: TDnn<CR>
Sets time delay nn (01-99) in 0.1s units
To read: TD<CR> Responds
with TDn.n (n.n is current delay value expressed in
seconds) |
| TI |
Set priority interval |
To set: TInn<CR>
Sets priority interval nn (01-19) in seconds
To read: TI<CR> Responds
with TDnn (nn is current priority interval value expressed in
seconds) |
| TP |
Set pause time |
To set: TPnn<CR>
Sets pause time nn (01-99) in seconds
To read: TP<CR> Responds
with TDnn (nn is current pause value expressed in
seconds) |
| Up/Dn |
|
n<CR> where
n is a binary byte value as follows
 |
0x1e |
 |
0x1f |
|