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Thread: XTL5000 W12 Pre-amp - is it switchable from a front key?

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    Default XTL5000 W12 Pre-amp - is it switchable from a front key?

    When you have the W12 Pre-amp enabled, can you switch it on/off from a front key?

    If not, can you switch it on/off in CPS so you can program a bank of frequencies with the Pre-amp on and another bank with the pre-amp off?

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    According to the CPS help screen:

    "Actual Pre-Amp usage (by the radio) varies based on the CPS defined RF AGC settings for the radio’s currently operating channel."

    My understanding us that it's not 'switched on' all the time anyway but why would you want to disable it?
    Andrew

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    Preamp is a radio-wide setting.

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    If you were in a high RF environment, you might want to switch off the pre-amp in order to stop any intermod...although maybe the XTL5000 backs off the front end gain automatically if signals are very strong?

    Why does Motorola not just have the pre-amp enabled as per standard?

    My VHF XTS5000 portable is already very sensitive. If you use an external pre-amp (at the radio end), it does not make much difference to very weak signals...its the same with my MCS2000 and MTS2000..they are all more sensitive than my Kenwood and Icom stuff.

    So is the "pre-amp" already enabled in an XTS5000 portable and an MCS2000/MTS2000? When I looked at the XTS5000 service manual it mentions a discreet pre-amp..so I guess its automatically switched on??

    How much extra gain does the W12 pre-amp provide? Is an XTL5000 without the pre-amp deafer than an XTS5000. MCS2000 and MTS2000?