User`s guide

14
How to Section
Power-up and Operating Mode Selection
Power-up and Operating Mode Selection
This section describes the procedure for powering up the HP/Agilent 8922
Multi-Band Test System and then establishing a call with an attached mobile.
1 Power on HP/Agilent 8922 Multi-Band Test System and observe display.
2 The system start up cycle will be suspended and an error message will be displayed if
the HP/Agilent 83220 is not connected, or is not operating properly. Check connections
and instrument, then power cycle the system.
3 Select E-GSM radio mode from the cell status screen.
NOTE: This step can be avoided if the default start up mode has already been set. Refer to Default
Start Up Mode on page 8 for more information about setting this service latch.
4 Connect the mobile to RF IN/OUT port located on the front panel of the HP/
Agilent 83220 (refer to 4. GSM/DCS/PCS RF In/Out Port on page 5 for more
information about this port).
5 Switch on the mobile.
6 The mobile should then camp onto the E-GSM900 broadcast channel. This is indicated
by the mobile displaying 001-01.
Potential Problems
If a phase-1
1
mobile is being tested and E-GSM mode is selected the mobile will
not be able to camp on. To check the type of mobile being used, power cycle the
instrument and try to camp on while in GSM900 mode.
1. A mobile that is only compliant to phase 1 of the ETSI specifications.