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SIR 320 SIR Infrared System
18 Copyright by beyerdynamic
Service mode
The service mode is useful to check the receiver-settings or adjust the receiver to special parameters
needed like:
Check of firmware version
Check of battery voltage
Measurement of IR field-strength
Display of factory test settings
Activating/deactivating of muting
Activating/deactivating of shift-mode
Activation of the service mode
The “CH
” and the “CH
” key must be pressed simultaneously for about 5 sec.
You will see “SE” within the display: starting point for
adjustments.
“SE” flashes within the display, alternating with the
version number of the firmware
(e.g. 24 or higher).
Service mode activated Display of version (e.g. 3.0)
By repeatedly pressing the “CH
” or “CH
” key you can scroll through the Service mode for further
activities.
The structure is as follows:
SE
bA
Battery voltage
rF
Hi / no / Lo and channel number
GU
Guard installed
P1
P2
P3
U
oF / On
SH
oF / On and channel number
En / nd (End)