Note: The service procedures are confidential.
3.1 Service procedures for Gigaset SL1 handset
Read out IPUI of the handset (for identification purposes): menu-key, *, #, 0, 6, #
Press 1, 4 and 7 simultaneously
and keep keys pressed
Switch on and keep key pressed until "SERVICE" is visible, then release all keys
This code performs
a fundamental reset
on the handset. All
settings are reset to
Handset is still
Read out SW-version and IPUI (internatinal portable user identity) of
handset. IPUI is an unique number (like IMEI) that could be used for identification.
Switches a direct loop between microphone and loudspeaker.
This enables a check of the speechpath by blowing in the microphone.
Press o.k. to activate an information line during normal operation
mode and leave the service menu afterwards.
RX-level - Frequency - Time slot - Base code - Bit error rate (100 = 100% o.k.)
Changes the measure time of the metering mode (change is not
Read out the time for which the handset has been switched on.
Example: 15d, 10h means handset has been switched on for 15 days and 10 hours.
The counter's max. value is 65535 hours or 2730 days. It can only be reset at WSC.
Changes the contrast of the display.
ICM MP CCQ GRM C