Cobra 29 LTD BT 29LTDBT_MANL_vB - Page 12

Operation RF Meter RF Meter This meter swings proportionately to the RF output (outgoing signal) while transmitting. S-Meter 1 The S/RF-SWR-CAL switch must be in the S/RF position. S-Meter Swings proportionately to strength of incoming signal when receiving. Operation External Speaker & Bluetooth Microphone The external speaker jack is used for remote receiver monitoring. The optional Bluetooth microphone connects to the Ext Mic jack. External Speaker Note The external speaker should have 8-ohm impedance and be rated to handle at least 4.0 watts. When the external speaker is plugged in, the internal speaker is automatically disconnected. Note 1 Connect an external speaker and/or Bluetooth Cobra external speakers are microphone to the jacks on the rear panel. rated at 10 watts. RF Gain Control The RF Gain is used to optimize reception in strong or weak signal areas. RF Gain Control 1 The S/RF-SWR-CAL switch must be in the S/RF position to read the meter. 18 Note The RF Gain is used to optimize reception in weak signal areas. 1 Rotate the RF Gain knob counterclockwise to reduce gain in strong signal areas. In weak signal areas turn clockwise to increase gain. 19