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PRC-Saltillo response to COVID-19: prc-saltillo.com/covid-19

The PRC-Saltillo offices will be closed on Jul 03 in observance of the holiday. We apologize for any inconvenience this has caused.  

We have updated our privacy policy   


When you no longer need a particular message in the ChatBox you can either erase the message or you can replace the message with a new recording.  To replace the message, simply store in a new message.  To erase the message:

  • turn On the program mode by using a pencil tip (or similar object) to press the button inside the hole labeled with the picture of the Key (Program Enable).  The red light should turn On.
  • Press the Erase key on the front keyboard.  A red light beside the key will turn on.
  • Press the button (or sequence of keys) of the message that you want to erase. 

Note:  If you press a button or sequence that is not programmed, you will hear a low-toned beep and the Erase light will go out. 

  • Confirm that you want to erase the message by pressing the Erase key again.  The message is now erased.
  • When finished erasing messages, use a pencil tip to press the Program Enable (Key) button to turn programming mode Off.  The red light should turn off.