3-10 Transceiver Performance Testing Display Model Test Mode
3.3.5 LED Test Mode
1. Press and hold Side Button 1 after Display Test Mode. The radio beeps once and displays
“LED Test Mode”.
2. Upon any button/key press, the radio lights the red LED and displays “Red LED On”.
3. Consequently, upon any button/key press, the red LED is turned off and the radio lights the
green LED and displays “Green LED On”.
4. Upon any successive button/key press, the green LED is turned off, and the radio shall light
both LEDs up while displaying “Both LEDs On”. Since there is only one LED on the portable,
the LED color will be orange when the radio lights both LEDs.
3.3.6 Accelerometer Test
1. Long press Side Button 1, the radio will enter accelerometer test mode and the display will
show Accelerometer Test Mode.
2. Hold the radio horizontally and press OK button
3. The display will show Accelerometer Test Passed or Accelerometer Test Failed accordingly.
3.3.7 Backlight Test Mode
1. Press and hold Side Button 1 after LED Test Mode. The radio beeps once and displays
“Backlight Test Mode”.
2. The radio turns on both LCD and keypad backlight together.
3.3.8 Speaker Tone Test Mode
1. Press and hold Side Button 1 after Backlight Test Mode. The radio beeps once and displays
“Speaker Tone Test Mode”.
2. The radio generates a 1 KHz tone with the internal speaker.
3.3.9 Earpiece Tone Test Mode
1. Press and hold Side Button 1 after Speaker Tone Test Mode. The radio beeps once and
displays “Earpiece Tone Test Mode”.
2. The radio generates a 1 KHz tone with the earpiece.
3.3.10 Audio Loopback Earpiece Test Mode
1. Press and hold Side Button 1 after Earpiece Tone Test Mode. The radio beeps once and
displays “Audio Loopback Earpiece Test Mode”.
2. The radio shall route any audio on the external mic to the earpiece.
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