HumanTechnik PL-51 Instrucciones De Servicio página 11

The PL-51 can be connected to the following units through the jack socket:
• Infrared transmitting systems
• Radio transmitting systems
• Inductive loop systems
Power supply of the hearing amplifier
The PL-51 is operated with 2 batteries (type AA, LR6), which last up to 2
years. Rechargeable batteries of the same type can also by used.
Please note that when using rechargeable batteries the operating time is
shortened. Unplug the telephone cord from the telephone connection socket
before changing the batteries. The battery compartment is on the under side
of the PL-51. Pressing the clip against the cover opens the battery compart-
ment. The cover can now be lifted off. Insert 2 batteries as indicated by the
markings in the battery compartment. Then slide the cover back into its origi-
nal position. Always use 2 new batteries (type AA, LR6) or equivalent rechar-
geable batteries.
What to do if problems occur
No dial tone when the telephone handset is off the hook / green LED
not lit
- Check all plugs for correct connection
- Handset cord on telephone amplifier / receiver
- Connection cord on telephone / telephone connection socket
- If necessary disconnect and reconnect all plugs (faulty contact)
Telephone connection operates but telephone amplifier does not
function
- Open the battery compartment and check if the batteries are inserted
correctly
- If necessary insert new batteries or fully charged rechargeable batteries
Output volume low
- Batteries are empty, exchange batteries
English 11