Orion TELETEXT 21FVD Operating Instructions Manual page 65

QUICK SET-UP GUIDE
Antenna Connections
How to install the batteries
Use micro batteries type UM-4 (AAA-Size).
1
Open the battery compartment
cover in the direction of the
arrow.
Connect as follows.
2
Install two "AAA" batteries paying
attention to the polarity diagram in
the battery compartment.
1
Antenna socket
Mains lead
3
Replace the compartment cover.
MODEL 21FVD