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Chapter 4, Test, Parameter, and Pass/Fail Limit Descriptions

Pass/Fail Limit 25, TX CT/CDCSS Deviation

This sets the pass/fail limits for testing a transmitter’s Continuous Tone-

Controlled Squelch System (CTCSS) and Continuous Digital-Controlled Squelch

System (CDCSS) deviation and is used as a reference value in the receiver CT/

CDCSS opening test (

TEST_17. RX CTCSS/CDCSS Opening).

Pass/Fail limits are determined from an applicable industry standard, such as:

• Industry standard: EIA/TIA-603, Section 2.4.17, Transmitter Subaudible Deviation

For Example:

If your industry standard defines CTCSS deviation as 0.9 to 2.0 kHz for a radio

with

±15 kHz deviation and you want to test both limits for the radio, enter 0.5 in

the lower-limit column and

1 in the upper-limit column. Limits are entered in

kHz.

It’s Used in the Following Test:

TEST_10. TX CTCSS/CDCSS Deviation, Freq/Code