2. Then press the PLUS and MINUS buttons simultaneously for 6
seconds until the online display on the headset starts to flash.
3. The base will now to you display the EHS currently installed. The
online indicator light indicates "MSH", the pulsating light indicates
"RHL", the MUTE light "DHSG" and the battery display "AEI".
4. With the PLUS or MINUS buttons, you can now switch between the
different EHS types
5. To confirm the EHS has successfully installed, the phone
automatically switches back to charge mode after approx. 10
seconds.
Microphone level setup:
1. Please call someone with the headset.
2. You must now simultaneously press the PLUS and MINUS buttons on
the headset which immediately produces a signal tone.
https://www.jabra.com/en-gb/supportpages/jabra-gn9120/9120-48-11/faq/4835ac34-
5f08-4ca9-bf18-f039dbca72aa
Page 3 of 5