Beyerdynamic SIR 320 operating instructions Service mode, Activation of the service mode

SIR 320 SIR Infrared System

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

∟UΓ

oF / On

∟SH

oF / On and channel number

∟En / nd (End)

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