User's Manual

QTI Page 10 of 15 Revision: C
Form #: 30Z0266 Effective Date: 5 October 2012
CRF… Get the receive channel as a frequency in Hz. (138000000-174000000)
Get the frequency: CRF<CR>
Returns: CRF Z<CR>
M2M…Get/Set machine to machine mode (follow with SAV command). In machine to machine mode
all returned messages begin with ‘#’ and end with the checksum before the <CR>. Commands
can be issued without ‘#’ and a checksum. No syntax errors are reported for unknown
commands.
Z = 0: OFF
Z = 1: ON [DEFAULT]
Get M2M mode: M2M<CR>
Returns: M2M Z<CR>
Set M2M mode: M2M Z<CR>
Returns: M2M Z OK<CR>
Invalid returns: M2M Z ERR<CR>
MSG… Recall a previous message.
Z (decimal 0-9) is the message with 0 being most recent message and 9 being the oldest
message. If the requested message is empty, all the fields will return with zeros.
Returned values: TT (hexadecimal) is the message type, III (decimal) is the ID, SS
(hexadecimal) is the status code, and R (decimal) is the RSSI. (See RSS command.)
Get a message: MSG Z<CR>
Returns: RXM TT III SS R<CR>
Invalid returns: MSG Z ERR<CR>
NEW… Read New messages. Use when PUSH is OFF. This returns the oldest unread message.
Send “NEW 1” to mark the message as read, so it will no longer be returned with the “NEW”
command.
Note: This command can also be used if the PUSH is enabled.
Returned values: TT (hexadecimal) is the message type, III (decimal) is the ID, SS
(hexadecimal) is the status code, and R (decimal) is the RSSI.
Poll for a new message: NEW<CR>
Returns: RXM TT III SS R<CR>
If no new message Returns: RXM<CR>
Mark message as read: NEW 1<CR>
Returns: NEW 1 OK<CR>
PSH… Get/Set to push new messages out the serial port.
Z = 2: ON (Pushes <CR><CR> prior to sending the new message) Version 0.2.8.A and above.
Z = 1: ON (New messages are pushed out the serial port when received.) [DEFAULT]
Z = 0: OFF (Master must poll for new messages – Receiver sends RS485 ID on receipt of new
message when in power-down mode).
Get PUSH mode: PSH<CR>
Returns: PSH Z<CR>
Set PUSH mode: PSH Z<CR>