Motorola APX 1000 Basic Service Manual page 178

5-4
NOTE: All displays are temporary and will expire without any user intervention. If information is
longer than the physical length of the radio's display, the information will wrap around to
the next display. After the last display, "RF TEST" is displayed.
To freeze any of the displays, press the left arrow on the 4-Way Navigation Button. To
resume automatic scrolling, press the right arrow on the 4-Way Navigation Button. To
rapidly scroll forward through the displays, continue pressing the right arrow. You cannot
scroll backwards.
NOTE: Press the Top Side Button (Purple button) to advance the test environments from "RF
TEST", "CH TEST", "RGB TEST" then press the
Top Button (Orange button) to confirm selection. Press any other buttons to advance the
test.
Once a test is carried out, restart the radio to proceed to another test.
3. Do one of the following:
• Press the Top Side Button to stop the displays and toggle between RF test mode and the
Control Top and Keypad test mode. The test mode menu "CH TEST" is displayed,
indicating that you have selected the Control Top and Keypad test mode. Go to
5.2.3.
NOTE: Each press of the Top Side Button (Purple button) scrolls through "RF TEST",
• Press the Top Button (Orange button) to stop the displays and put the radio into the RF
test mode. The test mode menu, "1 CSQ", is displayed, indicating test frequency 1, Carrier
SQuelch mode. Go to Section
NOTE: Once your radio is in a particular test mode, you must turn off the radio and turn it
5.2.2 RF Test Mode
When the ASTRO APX 1000 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
Table 5-3.)
• Pressing Side Button 1 scrolls through and accesses the test environments shown in
Table 5-4.
• Pressing Top Side Button scrolls through the Tx Deviation Frequency.
NOTE: Transmit into a load when keying a radio under test.
"CH TEST" and "RGB TEST".
back on again to access the other test mode.
Performance Checks: Display Radio Test Mode
Section 5.2.2.
Section