Samsung SCH-850 Bedienungsanleitung PDF herunterladen (Seite 19)

4-5 Test Procedure

1. AMPS(FM)

TEST ITEMS PROCEDURE

1. PREPARATION Set test equipments up.

Confirm that the phone is in the Analog Mode!

( “10000” or “10001” at Test Command “2 0”.)

“* 7 5 9 # 8 1 3 5 8 0” : Enter the Test Mode

“0 1” : Suspend

“4 6” : Initialize Vocoder in Analog mode

If a wrong key would be selected, press “#”, and then enter new command.

To exit the Test Mode at any time, just press [0 2].

2. RF “0 1” : Suspend.

POWER “4 6” : Initialize Vocoder in Analog mode.

“0 9 0 3 6 3 #” : Set channel to 363.

“0 7” : Carrier On.

“1 0 2” : RF Power level selection, “2” means one of the power levels (0~7).

Measurement of the Power Output Levels

Level RF Power

0 ~ 2 + 27 dBm + 0.3/-4 dB

3 + 23 dBm + 2/-4 dB

4 + 19 dBm + 2/-4dB

5 + 15 dBm + 2/-4dB

6 + 12 dBm + 2/-4dB

7 + 9 dBm + 2/-4dB

“0 8” : Carrier off

Note 1 : In case of using the antenna cable, compensation for th cable loss should be added

(about 1.5dB).

Note 2 : To prevent phones from being damaged, they must be measured only by calibrated test

equipments.

Warning !

Adjustments without calibrated equipments can cause phones to be heated excessively and

would void the warranty.

3. TX “0 1” : Suspend.

FREQUENCY “4 6” : Initialize Vocoder in Analog mode.

“0 9 0 3 6 3 #” : Set channel to 363.

“0 7” : Carrier On.

Measure the TX frequency : 835.89 MHz ± 2.5ppm.

4. VOICE “0 1” : Suspend.

DEVIATION “4 6” : Initialize Vocoder in Analog mode.

“0 9 0 3 6 3 #” : Set channel to 363.

“0 7” : Carrier On.

“1 4” : TX Audio unmute.

Set the audio generator output to 1kHz, 3.0Vrms.

Measure the Tx voice deviation by using the HPF of 20Hz and the LPF of 99kHz

(spec : less than ±12kHz).

4-6

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