GSM/GPRS/EDGE SIGNAL ANALYZER
54
JD7105B Base Station Analyzer
[IQ Origin Offset]
[Test Limits]
<On>
or
<Off>
[High Limit]
[C/I]
[Test Limits]
<On>
or
<Off>
[Low Limit]
Press the
IQ
Origin Offset
soft key.
Press the
Test Limits
soft key. Toggle between
On
and
Off
.
Press the
C/I
soft key.
Press the
Test Limits
soft key. Toggle between
On
and
Off
.
3.
Enable beep
LIMIT
[Beep]
<On>
or
<Off>
Press the
LIMIT
hot key. It is the number 7 key in the
numeric keypad.
Press the
Beep
soft key to toggle between
On
and
Off
and select one. This will make audible alarm if the
measurement beyond the limit.
MOD TEST LIMITS
FREQUENCY ERROR:
Sets the frequency error.
TEST LIMITS:
Enables or disables the test limit(s). Toggle the
Test Limits
soft key between
On
and
Off
.
HIGH LIMIT:
Sets the upper limit. Use the numeric keys to input value and press the unit soft
key or the
ENTER
hard key to complete the input.
LOW LIMIT:
Sets the lower limit. Use the numeric keys to input value and press the unit soft
key or the
ENTER
hard key to complete the input.
PHASE ERROR RMS:
Sets the RMS of the phase error (in degrees) between the measured
phase and the ideal phase of a TCH timeslot. The GSM standard specifies the RMS phase error
not to exceed 5 degrees during the useful part of the GSM burst.
TEST LIMITS:
Enables or disables the test limit(s). Toggle the
Test Limits
soft key between
On
and
Off
.
HIGH LIMIT:
Sets the upper limit. Use the numeric keys to input value and press the unit soft
key or the
ENTER
hard key to complete the input.
LOW LIMIT:
Sets the lower limit. Use the numeric keys to input value and press the unit soft
key or the
ENTER
hard key to complete the input.
PHASE ERROR PEAK:
Sets the peak of the phase error (in degrees) between the measured
phase and the ideal phase of a TCH timeslot, at a single instant. The GSM standard specifies the
peak phase error not to exceed 20 degrees during the useful part of the GSM burst.
