Model No: ATLANTIC-I Drawing No: ATL-TAP-M-01
Customer: Midland
Title: ATLANTIC-I Test & Alignment
Procedure
Rev. Date: July 11, 2005
Created by: JGB Approved by: Rev. No: 01
For Stage : PP/MP Release Date : July 11, 2005 Page 6 of 6
These drawings and specifications are the property of Global Link
Corporation Ltd. and shall not be reproduced or copied, or used as
reference for design, manufacture, and sale of device without permission.
8. RECEIVER ALIGNMENT
9.1 Set the RF Generator level to –47dBm. The generator should be set for 3.0kHz
deviation at 1kHz modulation.
9.2 Set Filter 1 to 25Hz and Filter 2 to 15kHz.
9.3 Set the Volume at 50mW Output.
9.4 Confirm that the RX Distortion is less than 5%.
9.5 Reduce the RF Generator signal level until a 12dB Sinad reading is achieved. The
RF Generator level should be less than –120dBm (nominal -123dBm).
9.6 Set the RF Generator level to –47dBm, and set the unit Volume Level to maximum.
9.7 Check the maximum Audio Output Level, should be 1.8~2.2Vrms (w/o load
@6.0Vdc).
9. SQUELCH THRESHOLD AND HYSTERISIS
10.1 Set unit same as 9.1.
10.2 Set the RF Generator level to -124dBm.
10.3 Adjust RV1 until the unit squelches (RX Off).
10.4 Slowly increase the RF Signal Generator level until the unit un-squelches (RX On),
confirm that the sensitivity is between 6~16dB Sinad.
10. VOX TEST
11.1 Set the unit into VOX Mode (Level 2). The VOX icon should be displayed on the
LCD.
11.2 Connect an audio generator into the microphone terminal. The audio frequency
should be set for 1kHz frequency with a level of 1mVrms and the output should be
turned off.
11.3 Turn on the output of the audio generator.
11.4 Increase the Audio Generator level until unit goes into TX Mode.
11.5 Check the Generator level, it should be between 1.5~3.0mV.
11. LOW BATTERY LEVEL TEST
12.1 Set the unit into receive mode or standby mode.
12.2 Set the Power Supply voltage to 5.0Vdc.
12.3 Slowly decrease the Power Supply Voltage until the Low Battery icon appears and
blink in the LCD Display.
12.4 Observe the Power Supply Level. The level must be 4.0 to 4.4Vdc.
12. CHARGING TEST
13.1 Connect a charged Ni-MH Battery Pack (~6.0Vdc) into the unit.
13.2 Connect a MW904 Wall Charger into the Mic/Chg Jack
13.3 Monitor the current on the Battery (+) line.
13.4 Confirm the Charging Current is 135~165mA (unit is at Power Off condition).
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