LG B2050 Service Manual - Page 111

Stand Alone Test

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10. STAND ALONE TEST 10. STAND ALONE TEST 10.1 Introduction This manual explains how to examine the status of RX and TX of the model. A. Tx TestTX test -this is to see if the transmitter of the phones is activating normally. B. Rx Test RX test -this is to see if the receiver of the phones is activating normally. 10.2 Setting Method A. COM port a. Move your mouse on the °∞Connect°±button, then click the right button of the mouse and select "Com setting". b. In the "Dialog Menu", select the values as explained below. -Port : select a correct COM port -Baud rate : 38400 -Leave the rest as default values B. Tx 1. Selecting Channel -Select one of GSM or DCS Band and input appropriate channel. 2. Selecting APC a. Select either Power level or Scaling Factor. b. Power level -Input appropriate value GSM (between 5~19) or DCS (between 0~15) c. Scaling Factor -A 'Ramp Factor' appears on the screen. -You may adjust the shape of the Ramp or directly input the values. C. Rx 1. Selecting Channel-Select one of GSM or DCS Band and input appropriate channel. 2. Gain Control Index (0~ 26) and RSSI level -See if the value of RSSI is close to -16dBm when setting the value between 0 ~ 26 in GainControl Index. -Normal phone should indicate the value of RSSI close to -16dBm. - 110 -

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10. STAND ALONE TEST
- 110 -
10. STAND ALONE TEST
10.1 Introduction
This manual explains how to examine the status of RX and TX of the model.
A. Tx
TestTX test -this is to see if the transmitter of the phones is activating normally.
B. Rx Test
RX test -this is to see if the receiver of the phones is activating normally.
10.2 Setting Method
A. COM port
a. Move your mouse on the °∞Connect°±button, then click the right button of the mouse and
select “Com setting”.
b. In the “Dialog Menu”, select the values as explained below.
-Port : select a correct COM port
-Baud rate : 38400
-Leave the rest as default values
B. Tx
1. Selecting Channel
-Select one of GSM or DCS Band and input appropriate channel.
2. Selecting APC
a. Select either Power level or Scaling Factor.
b. Power level
-Input appropriate value GSM (between 5~19) or DCS (between 0~15)
c. Scaling Factor
-A ‘Ramp Factor’ appears on the screen.
-You may adjust the shape of the Ramp or directly input the values.
C. Rx
1. Selecting Channel-Select one of GSM or DCS Band and input appropriate channel.
2. Gain Control Index (0~ 26) and RSSI level
-See if the value of RSSI is close to -16dBm when setting the value between 0 ~ 26 in
GainControl Index.
-Normal phone should indicate the value of RSSI close to -16dBm.