Table 5-3. Test Frequencies (Mhz) - Vhf, Uhf1, Uhf2 - Motorola APX 1000 Basic Service Manual

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Performance Checks: Display Radio Test Mode

RF Test Mode

When the ASTRO APX 2000/ APX 4000 radio is operating in its normal environment, the radio's

microcomputer controls the RF channel selection, transmitter key-up, and receiver muting, according

to the customer codeplug configuration. However, when the unit is on the bench for testing,

alignment, or repair, it must be removed from its normal environment using a special routine, called

RF TEST MODE.

While in RF test mode:

• Each additional press of Side Button 2 advances to the next test channel. (Refer to

• Pressing Side Button 1 scrolls through and accesses the test environments shown in

• Pressing Top Side Button scrolls through the Tx Deviation Frequency.

NOTE: Transmit into a load when keying a radio under test.

Table 5-3. Test Frequencies (MHz) – VHF, UHF1, UHF2

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