User's Manual

QTI Page 11 of 15 Revision: C
Form #: 30Z0266 Effective Date: 5 October 2012
Returns: PSH Z OK<CR>
Invalid returns: PSH Z ERR<CR>
RCV…Get/Set receive mode.
Z = 1: ON (receiver enabled) [DEFAULT]; CAUTION: If no receiver has been installed, the
receiver should be disabled to conserve power.
Z = 0: OFF (receiver disabled)
Get receive mode: RCV<CR>
Returns: RCV Z<CR>
Set receive mode: RCV Z<CR>
Returns: RCV Z OK<CR>
Invalid returns: RCV Z ERR<CR>
RSS… Get the receive signal strength indicator (RSSI). Returns a positive decimal number (0-9),
where higher numbers indicate stronger signal. Good signal strength is 6+. If receiver is
disabled, it returns 0 (min).
Note: This command immediately reads the RSSI value, which is useful to determine if a
frequency is being used or jammed. The “MSG” command appends the RSSI value that
occurred while receiving the message, which is useful in site selection and deployment.
Get RSSI: RSS<CR>
Returns: RSS R<CR>
RST… Reset the unit. On start-up the MCDT outputs version.
Reset the unit: RST<CR>
Returns: RST OK<CR>
SAV… Save the current parameters in flash memory. Use this to store any parameter changes.
Save current settings: SAV<CR>
Returns: SAV OK MCDT<CR>
SID… Get/Set the RS-485 serial identifier. [T = DEFAULT]
Capital character (A-Z). All MCDT’s will respond to X so it should not be used. The purpose
and use of this command is described below in Checksum.
Get protection: SID<CR>
Returns: SID Z<CR>
Set protection: SID Z<CR>
Returns: SID Z OK<CR>
Invalid returns: SID Z ERR<CR>
SLP… Shut down the serial port to conserve power. The MCDT goes to power-down mode
immediately after returning the SLP OK command. Note: To reactivate the serial port, send a
carriage return or some other ASCII character. Use “SLP 0” when RS-485 bus is shared.
Enter low power mode: SLP<CR>
Returns: SLP OK<CR>
Enter low power mode: SLP 0<CR>
Returns: <Nothing returned>