MOBILTEX® DATA LTD.
Calgary, Alberta
www.corTalk.com
TITLE:
RMU1 Installation and Configuration Guide
DOCUMENT NO.:
RMU1-MAN-001
SHEET:
47 of 53
REV:
1.14
8
Battery Replacement
1.
Remove the RMU1 from its mounting location.
2.
Unscrew and remove the top plastic circular lid from the RMU1.
3.
Remove the three screws that secure the transmitter board assembly to the unit as indicated in the pictures
below. Set aside the three screws and transmitter board for re-assembly after the batteries have been changed.
Figure 49 RMU1-S (RMU1-G similar) Transmitter Board Screws
Figure 50 RMU1-I Transmitter Board Screws
4.
Remove the old batteries by popping them out of the battery clips. Install four new AA batteries from the
replacement battery kit (Mobiltex P/N B02221RMU10). The batteries are oriented according to the polarity
markings shown on the main RMU1 logic circuit board.