Encoding 2-Tone Sequential Format - IFR COM-120C Operation Manual

SECTION 5
COMMON PRACTICES
5-1-8

ENCODING 2-TONE SEQUENTIAL FORMAT

This pr ocedur e configur es the RF G ener ate O per ation Scr een to encode using the
2- Tone Sequential for mat.
P
R
E
P
o
Set RF Field to Pager Center Frequency .
o
Set O utput Level to -30 dBm .
o
Set O utput to T/R .
o
Select GEN1 for Modulation Sour ce.
o
Set Modulation Type to FM .
o
Set Deviation to 5.0 kHz .
o
Set For mat to USER .
o
Cur sor to For mat Field and pr ess F4 CONFIG .
o
Edit the USER SIG NALING PRO G RAM pop- up window to r ead:
o
Pr ess F6 RETURN .
o
Cur sor to Code Field and pr ess F1 CLEAR .
o
Attach an antenna to the T/R Connector .
o
Enter 102 .
o
Cur sor to For mat Field and Pr ess F3 BURST or F2 CONT to set off the pager .
This example assumes an FM pager r equir es a fir st tone of 650 Hz for
500 ms and a second tone of 850 Hz for 1.5 sec. with a 0.25 sec. gap.
CHAR
0
1
2
USER SIGNALING PROGRAM
FREQ (Hz)
0.0
650.0
850.0
5- 16
DUR (ms)
250
500
1500