Rohde & Schwarz CMU-K20, Operating Manual

Page: 36 / 646

Preparing a GSM Mobile Phone Test CMU-K20/-K21/-K22/-K23/-K24
1115.6088.12 2.2 E-10
Preparing a GSM Mobile Phone Test
This chapter describes how to use the CMU for GSM mobile phone tests. As a prerequisite for starting
the session, the instrument must be correctly set up and connected to the AC power supply as de-
scribed in chapter 1 of the operating manual for the CMU basic unit. Furthermore, the GSM software
must be properly installed following the instructions given in chapter 1 of the present manual.
o
I
Step 1
!
Switch on the CMU using the mains
switch at the rear.
"
!
Check the operating mode of the instru-
ment at the ON/STANDBY key on the
front panel.
#
⇓
0
1 2 3
4 5 6
7 8 9
. -
ON / OFF ENTER
1100.0008.02
VARIATION DATA
FUNCTION SYSTEM
CONTROL
DATA CTRL
MENU
SELECT HELP SETUP
mark symb
E F
B M/µ
µV
W
C
dBµV
k/m
G/n
A
mV
D 1
dB
dBm
UNIT...
EXP/CMP CONT/HALT
RF4 IN
UNIVERSAL RADIO COMMUNICATION TESTER CMU 200
.
ESCAPE
*
abc def ghi
jkl mno pqr
stu vwx yz
_ µ
AF IN AF OUT
VOL
DEL
AUTO
INFO RESET
PRINT
* #
Ω
AUX 1 AUX 2
SPEECH
AUX 3
DATA 2
13 dBmMAX 2 W MAX 50 W MAX 13 dBmMAX
RF 3 OUT RF 2 RF 1
DATA 1
INS
CLR
2
DEF 3
GHI 1
ABC
5 6 4
8
ÜVW 7
STU
. - 0
9
XYZ
S C RCL M
Step 2
!
Connect the bi-directional RF connector
RF 2 of the CMU to the antenna connec-
tor of the mobile phone.
$
!
Supply the mobile phone with the correct
operating voltage (battery or power sup-
ply).
%
⇓
Step 3
!
Switch on the CMU by means of the
ON/STANDBY key on the front panel.
⇓
The startup menu is displayed while the
CMU performs a power-up test.
&
After a few seconds the CMU displays the
last menu used in the previous session.
!
Press the RESET key to open the Reset
popup menu.
!
Select Reset and press the ENTER key.
!
In the popup window opened, select Yes
to confirm the instrument reset.
The CMU indicates that it performs a gen-
eral reset of all device settings and is then
ready to carry out the following steps. The
Reset popup menu is closed automatically.
深圳德标仪器
135-1095-0799