Aeroflex 3500A - Page 201

Subject to Export Control, see Cover Page for details. 4-31
4-6. P25 TEST OPTION (35000100)
The P25 Test Option (35000100) adds P25 test protocols to the testing compatibilities of the
3500 / 3500A.
The P25 Test Option provides users with the ability to test P25 radio systems.
4-6-1. P25 MINI METER
The P25 Mini Meter can be added to the Duplex and Transmitter Test Screens.
DUPLEX TEST SETUP
Modu la tion Met er 0 DCS Deco de 0
RSSI M ete r 0 Aud io Le vel 0
RF Error Meter 0 Digital Receive 9
RF Power Meter 0
SINAD Meter 0
Distortion Meter 0
AF Counter 0
DTMF Decode 0
Edit Re tur n
1
4
7
2
5
8
3
6
9
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Edit Re tur n Hol
d
Se tup PTT on
DUPLEX TEST
Generator Off Receiver More
MH
z: 40 .000 00 0 MH z: 40. 00000 0
Port: T/R Port: T/R
Level: -70 dBm Mo d: P25
Ext A ttn dB: 0
Modulator P25 Digital
Pattern: 1 011
NAC: 2 93
Vo lume: 1 00 P 25 Demod More
Sq uelch: -50 dBm S ig Pwr - - -
Sp eake r: Au dio In F req Er r - - -
AudOut : Audio In M od Fi dl y - - -
Save Recall Deviation - - -
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To access the P25 Mini Meter fields on the Duplex and Transmitter Test Screens:
● Press the  LEFT Key or  RIGHT Key to move the on-screen cursor to the P25 Demod
frame.
● Press the  UP Key or  DOWN Key to move the on-screen cursor to the More field and
press the F1 “Enter” Key to display additional P25 fields.
● Press the  UP Key or  DOWN Key to move the on-screen cursor from one field to another.
To access the Digital Receive Screen for P25 field settings:
● Press the  LEFT Key or  RIGHT Key to move the on-screen cursor to the P25 Demod
frame.
● Press the F1 “Zoom” Key to display the Digital Receive Screen.
The P25 Test Pattern field can also be accessed in the modulation frame on the Duplex and
Transmitter Test Screens:
Edit Re tur n Hold Se tup PTT on
DUPLEX TEST
Ge ner ato r Off R eceiver Mo re
MH
z: 40 .000 00 0 MH z: 40. 000 00 0
Port: T/R Port: T/R
Level: -70 d Bm Mod: P25
Ext A ttn dB: 0
Modulator P25 Digit al
Pattern: 1011
NAC: 2 93
Vo lu me: 1 00 P 25 De mod Mo re
Sq uelch: -50 dBm Si g Pwr - - -
Sp eake r: Au dio In Fr eq Er r - - -
Au dOut: Audio In Mod Fi dl y - - -
Save Recall Deviation - - -
41 20 29