PRESIDENT HR2510 Especificações descarregar pdf (Página 15)

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SWR Meter

Afteryou have calibrated the SWRmeter using the SWRCALfunction (inthe previ-

ous section' you are ready to check the SWRofyour HR2510 and antenna system.

Press the Meter button until "SWR"isdisplayed above the meter. At this point,

pressing the PTTswitch on the microphone, or holding down the CW key (ifcon-

nected) to transmit will cause the meterto display the Standing Wave Ratio. When

receiving, the meter reverts to the "S" function.

Note: If you are in USB or LSB modes and using voice, you will not see a steady S WR

indication, since there is no carrier transmitted in these modes. Tosee a steady SWR

indication, you must be in C~ AM, or FM Modes when transmitting.

Warning: Standing WaveRatios in excess of 2:1may cause transmitter damage.

PA Mode

Touse the PAmode ofyour HR2510, you must first connect an external PAspeak-

er to the accessory plug on the rear of the unit. (See the section on the accessory

plug for more information.' With a PAspeaker connected, just pressing the PA

button will enable the PA mode.

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PRESIDENT HR2510 Especificações Página 15