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February 3, 2003 6881076C20-E

5-4 Performance Checks: Test Mode

2. In RF test mode, press the Volume rocker to adjust the volume. The volume display for the

ASTRO Digital Spectra will be in 256 increments, not the usual 16, while in the test mode.

This allows for precise setting of rated audio, etc.

For the ASTRO Digital Spectra Plus, the volume is still displayed as a value between 0 to 15.

3. Press the Home button to move the cursor back and forth between the frequency and

signaling type (See

Table 5-2 on this page and Table 5-3 on page 5-5). The first digit will flash

to indicate which type is currently selected. Press the Mode button to scroll through the

available selections.

Table 5-2. Test Frequencies

Test Channel VHF UHF 800 MHz

Range 1 - TX #1 136.050 403.050 806.050

Range 1 - RX #1 136.025 403.025 851.025

Range 1 - TX #2 149.050 418.050 823.950

Range 1 - RX #2 149.025 418.525 860.025

Range 1 - TX #3 161.950 432.950 868.950

Range 1 - RX #3 161.975 432.975 868.975

Range 2 - TX #1 146.050 438.050 None

Range 2 - RX #1 146.025 438.025 None

Range 2 - TX #2 160.050 454.050 None

Range 2 - RX #2 160.025 454.025 None

Range 2 - TX #3 173.950 469.950 None

Range 2 - RX #3 173.975 469.975 None

Range 3 - TX #1 None 450.050 None

Range 3 - RX #1 None 450.025 None

Range 3 - TX #2 None 466.050 None

Range 3 - RX #2 None 466.025 None

Range 3 - TX #3 None 481.950 None

Range 3 - RX #3 None 481.975 None

Range 4 - TX #1 None 482.050 None

Range 4 - RX #1 None 482.025 None

Range 4 - TX #2 None 497.050 None

Range 4 - RX #2 None 497.025 None

Range 4 - TX #3 None 511.950 None

Range 4 - RX #3 None 511.975 None

Motorola ASTRO SPECTRA Service Manual

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