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5. MIC GAIN CONTROL: Adjusts the microphone gain in the transmit and PA modes. This
controls the gain to the extent that full talk power is available several inches away from the
microphone. In the Public Address (PA) mode, the control functions as the volume control.
6. RF POWER CONTROL: This control allows the user to adjust RF power output.
7. DIMMER CONTROL: This knob controls the level of brightness for the faceplate lettering, meter
lamp and channel display.
8. SWR LED: This LED lights red when your SWR is higher than about 3:1. This is not an exact
indicator of 3:1 SWR, but it is an indication that you should check your SWR reading.
9. CHANNEL SELECTOR: This control is used to select the desired transmit and receive channel.
10. FRONT PANEL METER: The front panel meter allows the user to monitor incoming signal
strength, RF output power, SWR level and AM modulation level.
11. ILLUMINATED FACE PLATE: All faceplate lettering will fully illuminate to allow the user
easy viewing at night. This unique, solid state, backlight is designed to maximize night vision while
minimizing eye fatigue. Therefore, it is ideal for switch and control recognition day or night.
12. TALKBACK CONTROL: Adjust this knob for desired volume of Talkback. This is used to
monitor your own voice. For example, you could use this feature to compare different microphones.
13. CLARIFIER CONTROL: Allows tuning of the receive frequency above or below the channel
frequency by up to 1.0KHz. Although this control is intended primarily to tune in SSB signals, it
may be used to optimize AM signals.
14. SWR/MOD/PWR SWITCH: This switch controls the function of the meter during the transmit
mode. In the "SWR" position, the meter indicates the Standing Wave Ratio (SWR) of your antenna.
There are no adjustments because the SWR circuit in this radio calibrates itself automatically. When
the switch is in the "MOD" position, the green scale on the meter indicates your percentage of
modulation in the AM mode only. They are most accurate when testing at maximum power output.
When this switch is in "PWR" position, the meter indicates your power output.
15. NB-ANL/CB/PA SWITCH: When the switch is in the NB/ANL position, the Noise Blanker (NB)
and Automatic Noise Limiter (ANL) circuits are activated. The Noise Blanker is very effective in
eliminating repetitive impulse noise such as ignition interference. In the CB position, the PA
function is disabled and the radio will transmit and receive on the speaker that is connected. In the
PA position, the radio acts as public address amplifier. Your voice will come out of the speaker that
is plugged into the PA. SP. jack on the rear panel. The radio does not operate when you are in the
PA mode.
16. MODE SWITCH: This control allows you to select one of the following operating modes:
AM/USB/LSB.
17. RX/TX LED: This LED is green during receive and red during transmit.
18. CHANNEL DISPLAY: The channel display indicates the current selected channel.
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