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Operating Guide CONTINUATION

1. Channel Display: The channel display indicates the current selected channel

2. Channel Selector: This control is used to select the desired transmit and

receive channel.

3. Dimmer / Color Button: This button controls the brightness for the face plate,

meter and the channel display. It also controls the color of the lighting. Quickly

press and release the button to change colors, if you key the microphone and

press the button you can change the color of the meter light also. To dim the

lighting press and hold the button, you will see the display slowly dim. When the

lighting is at the desired level simply release the button.

4. + 10Khz Switch: In the +10kHz position, the frequency is shifted up 10 kHz.

5. Noise Blanker / ANL Switch: When this switch is in the NB position the noise

Blanker circuits are activated. The Noise Blanker is very effective in eliminating

repetitive pulse type noise usually associated with ignition systems. The NB+

position activates both the Noise Blanker and Automatic Noise Limiter (ANL)

Circuitry.

6. Roger Beep: This switch controls the "roger beep" circuitry. Simply put the

roger beep is a tone that sounds when a radio operator un-keys their

microphone. Switch position "1" will sound one short beep when the radio is

un-keyed. Position "2" will sound two short beeps and position "off" de-activates

the roger beep completely.

Mode Switch: This switch allows you to operate in AM, FM or PA mode. The PA

feature allows the radio operator to use their radio as a public address system.

8. Band Selector: Use to select frequency segments A-H.

Transmit Power: This variable control allows the power to be adjusted from 2.5 -

60+ watts.

10.

Mon: The variable Mon control (talk back) is used to monitor your own voice.

This can be used to compare different microphones. To increase the volume of

the talk back rotate the control clockwise. To decrease rotate counterclockwise.

To turn off the talk back rotate the control completely counterclockwise.

11.

AWI Flasher: The AWI flasher will continuously flash red while transmitting if

your antenna has a high SWR. It is normal for the meter light to turn solid red

while transmitting. To prevent damaging your radio it’s critical to repair your

antenna system if the AWI light is flashing! Radios that are Damaged from

operating with a high SWR are not covered under the factory warranty.

Stryker SR-497hpc User Manual

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