E F Johnson Company 2425720 사용자 설명서
4-18
Viking™ VP600 Portable Radio Operating Manual
Radio-wide Features
Note
There are no user-serviceable components in the radio. Altering internal adjustments can
cause illegal emissions, void the warranty, and result in improper operation that can
seriously damage the radio.
cause illegal emissions, void the warranty, and result in improper operation that can
seriously damage the radio.
4.14 RSSI
Receive Signal Strength (RSSI) values for the Viking radio are different than for
EFJohnson’s ES Series radio. Changes were made to the RSSI algorithm for the Viking
radio. The new algorithm provides an extended range (40 dBm) and a more linear curve.
The table below shows the VP600 RSSI curve.
EFJohnson’s ES Series radio. Changes were made to the RSSI algorithm for the Viking
radio. The new algorithm provides an extended range (40 dBm) and a more linear curve.
The table below shows the VP600 RSSI curve.
Figure 4.2 VP600 RSSI Curve
4.15 Fire Ground Mode
The Fire Ground Mode allows any radio optioned for Fire Ground Commander Mode to
operate in Fire Commander Mode, and any subscriber optioned for Fire Ground First
Responder mode to run in Fire Responder Mode. A radio can be programmed for both
modes; however, the radio can only operate in one of the modes at a time. The user must
exit the current mode to enter the opposite mode. Fire Ground First Responder is available
operate in Fire Commander Mode, and any subscriber optioned for Fire Ground First
Responder mode to run in Fire Responder Mode. A radio can be programmed for both
modes; however, the radio can only operate in one of the modes at a time. The user must
exit the current mode to enter the opposite mode. Fire Ground First Responder is available