Copyright by beyerdynamic
19
Battery voltage
In service mode press
“CH
”
to check the battery voltage.
The battery voltage can be read alternately with the sign
“bA”
and a two-digit number.
The display should be interpreted as follows:
voltage is e.g.
“38”
this
equates to 3.8 Volts.
Min./Max. battery voltage:
Disposable batteries 3.3V – 4.5V
Rechargeable batteries 3.9V – 4.2V
Display of battery check (bA)
IR-field strength
Press
“CH
”
again to scroll to the IR-field strength meter
“rF”
will be displayed alternately with
“Hi”
(high),
“no”
(normal) or
“Lo”
(low) and the last chosen channel number (2-digit).
For instance: (rF.....Hi.....rF..... Hi…..rF…...01.....rF.....Hi.....)
The IR-field strength of other channels can be checked by pressing
“VOL
”
or
“VOL
”
.
Low:
Field strength lower than 28 dBA
Normal:
Field strength between 30 and 40 dBA
High:
Field strength higher than 40 dBA
Signal > 40 dBA
Display of the IR-field strength (rF)
IR-field strength „Hi“ (optimum reception)
If muting is activated and the IR-field strength is lower than 20dBA, the audio signal will be
automatically switched off.
