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Gemini G3 - User Manual
59
RF Tests:
Item
Description
RSSI Table
Main Raw = Raw dBm value from main radio receiver
Main Cal = Calibrated dBm value from main receiver DSP
Diversity Raw = Diversity raw dBm value from diversity radio
Diversity Cal = Calibrated dBm value from diversity receiver DSP
Range
-120 to –40 dBm
RSSI
Thresholds
-90 to -60 dBm
E-DBA
Sets the GeminiG3 radiomodem to its normal operating mode. The base channel may
change as the mobile roams to a new base
Test Mode
This mode is used to select the radio channel to be used for test transmissions. Placing the
GeminiG3 radiomodem in test mode suspends roaming function.
Scan
The Scan button forces the unit to scan all channels with valid frequencies
(enabled or not)
and update the last RSSI column.
Roam
The Roam button forces the mobile to roam when in E-DBA mode. The unit will switch to
the channel with the best last “ RSSI”. Button is inactive in Test Mode.
Base
Channel
This read-only field displays the radio channel number against a white square on a blue
background. It indicates the base station to which the mobile is currently registered.
To set frequency, see section 4.7.3.3
Active
Channel
These read-only fields display the active RX and TX radio frequencies (in MHz) with the fre-
quency currently in-use (highlighted)
If the active channel indications do not correspond to the base channel, it indicates either
that roaming is in progress or that testing activity is taking place.
To set frequency, see section 4.7.3.3
Enable
Select as many non zero-frequency channels as desired for
Roam
option.
Vertical scroll to see the fields for all 32 frequencies.
RX (MHz)
TX (MHz)
Channel Type
Tower Steering
Period
Each of these field shows the corresponding value entered for that channel taken from the
web page titled "Setup (Advanced)
→
RF(Freq)" Web Page (4.7.3.3).
Last RSSI
Shows the last RSSI information obtained on that channel.
Information may be out-of-date if
the mobile has been on a single channel for a long time.
GoTo
Available in Test Mode only. Forces the unit to the specified channel
(enabled or not)
.
Enable All
Selects all non-zero frequency fields
Disable All
Deselects all non-zero frequency fields
Set UP
Apply
Activates the “Enable All” or “Disable All” selection