Sharp GX20 Service Manual - Page 39

BAND Select & Channel, 2. TX test

Page 39 highlights

3. Tests CONFIDENTIAL 3.1. BAND Select & Channel Select a band and a channel to test. Settings are applied to all tests. Band selection GX20 Input box [Procedure] 1. Select a band. (GSM, DCS or PCS) 2. Select or enter a channel using Channel bar or Input box. Figure 66 Channel bar 3.2. TX test Test burst transmission. TX frequency of selected channels Current PCL (Read only) PCL bar Data patterns TX ON/OFF button This indicator appears during burst transmission. [Procedure] 1. Select a band and channel. (see 3.1) 2. Select PCL (Power Control Level) using PCL bar. 3. Select Data pattern. 4. Click TX ON to start burst transmission. (You can check each part in this state.) 5. Click TX OFF to end burst transmission. Figure 67 * Data pattern (TSC 5) includes Training Sequence GSM 5, and other part is pseudo random data. 2 - 33

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GX20
2 – 33
CONFIDENTIAL
3. Tests
3.1. BAND Select & Channel
Select a band and a channel to test. Settings are applied to all tests.
Figure 66
[Procedure]
1.
Select a band. (GSM, DCS or PCS)
2.
Select or enter a channel using Channel bar or Input box.
3.2. TX test
Test burst transmission.
Figure 67
[Procedure]
1.
Select a band and channel. (see 3.1)
2.
Select PCL (Power Control Level) using PCL bar.
3.
Select Data pattern.
4.
Click TX ON to start burst transmission.
(You can check each part in this state.)
5.
Click TX OFF to end burst transmission.
*
Data pattern (TSC 5) includes Training Sequence GSM 5, and other part is pseudo random data.
Band selection
Input box
Channel bar
PCL bar
TX frequency of selected channels
Current PCL (Read only)
TX ON/OFF button
This indicator appears during
burst transmission.
Data patterns