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Your desktop charger Omikron 
CallHelp 400C6 is specially designed 
for the charging of the Omikron 
CallHelp 400RX call receivers. 
Maximum six receivers can be 
charged at the same time by placing 
them in the charge compartments. 
The batteries can be fully charged in 
14 hours.

CHARACTERISTICS

Charging switch NiCd/NiMh

With this switch, you can adjust 
whether you can charge the receivers 
when supplied with NiCd batteries or 
with NiMh batteries.

Six charge compartments

You can charge maximum six   
receivers at the same time.

Automatic charge

The C6 begins to charge 
automatically when a receiver is 
being placed in a charge unit

Time limitation

The charging stops automatically 
after 14 to 16 hours.

Charge indicator

Will turn into red when the charging 
process is in function and it turns into 
green when the charging process is 
completed.

SETUP OF TYPE OF BATTERY

Before you charge the batteries, the 
C6 has to be setup to the type of 
battery that is placed in the receiver: 
This is done by placing the slide 
switch NiCd/NiMh in the position 
suitable to the type of battery.

Important:

Place no receiver with non   
rechargable, mixed batteries or 
different capacities together in the 
charger.

Never charge receivers that work 
with NiCd batteries while the switch 
NiCd/NiMh indicates NiMh. This 
can cause the batteries and the 
receiver serious damage.

CHARGING RECEIVERS

The receivers CallHelp 400RX have 
to be charged only when the 
receiver’

s indicator “battery low” is 

activated. The batteries are then 
almost empty and the receiver will 
beep every five minutes. If you press 
the on/off switch of the receiver, a 

“b”

 will appear on the display. 

1.

Place the receiver, either 
equipped with 2 NiCd 
batteries or with 2 NiMh 
batteries, in one of the 
charge compartments. The 
LED indicator is first green 
and then it turn into red.

2.

The batteries are charged in 
14-16 hours. The charge 
indicator will turn into green 
with the charge process is 
completed.

REMARKS



Charge only empty receivers



During the charge, please do 
not take out the receiver 
from the charge unit to place 
it back immediately after. By 
doing this, the charge cycle 
starts again causing damage 
to the batteries and to the 
receiver.



If you have question or 
something is unclear, please 
contact your supplier.

MAINTENANCE



This  device  has  to  be  used 
only indoors.



Please  use  the  charger  only 
in a dry environment at room 
temperature.



Please  handle  this  charger 
carefully. Don’

t let it fall.



Keep  the  charger  free  of 
dust , moisture and dirt.



Keep this manual carefully.

The charger contains no elements 
that  can  be  adjusted  by  the  user. 
The  unauthorized  opening  of  the 
charger leads to the expiry of the 
guarantee.

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