Nokia 9000i, Service Manual

Page: 179 / 434

After Sales
Technical Documentation
RAE/RAK–1N
Service Software
Page 7– 21
Amendment 1 04/97
3.1.3 – Operation Mode
When burst selection is used,
– synthesizer is controlled by using GSM/PCN receiving/transmission
/measuring synthesizer control sequence
– synthesizer channel numbers are as given with Channel/Monitoring
Channel selections
– if Active Unit is TX, data (selected with TX Data Type) is sent and the TX
power is connected
When continuous selection is used,
– if Active Unit is TX, operation mode is changed to burst mode and
functionality is same than when burst selection is used
– synthesizer is set to a constant frequency
– synthesizer channel number is as given with Continuous Mode
Channel selection
– when Active Unit is RX, AGC is controlled
3.1.4 – TX Data Type
This function changes the transmission data type. Every time when
selection is made, the next value in the list is shown (i.e. 0/1/Random).
After random data, selection 0 is used.
3.1.5 – Continuous Mode Channel
Continuous mode may use any GSM/PCN channel numbers (GSM:
1...124 PCN: 512....885). The used frequency depends on the active unit.
When active unit is RX, then RX frequency is used. If active unit is TX
continuous mode channel is ignored.
3.1.6 – Channel
”Channel” selection numbers are used for both transmission and
receiving.
3.1.7 – Channel; Monitoring Channel
”Monitoring channel” is selected separately for a neighboring monitoring
channel. All GSM/PCN channel numbers (in GSM phone: 1...124 PCN:
512....885) are valid.
3.1.8 – AGC
The AGC can have values of 0...93 dB by 3 dB steps. If the number is not
divisible evenly by 3 the number is rounded to the next bigger number
divisible by 3. Only the number can be edited (not letters dB).
3.1.9 – AFC
Sets the AFC D/A converter value. This can have values from –1024 to
1023.