JRC NDH 518 memory unit Service instructions

Below you will find brief information for memory unit NDH 518. The memory unit NDH 518 is designed to store up to 96 frequencies, with 24 channels per channel switch. This allows the user to easily access and recall their favorite frequencies. The memory unit also offers the option of installing a backup battery to prevent data loss in the event of a power outage. This is an important feature for users who need to rely on their radio for critical communications.

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Memory Unit NDH 518 Service Instructions | Manualzz

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Key features

  • Stores up to 96 frequencies
  • 24 channels per channel switch
  • Optional battery backup
  • CMOS static RAM
  • Three-state buffers
  • Power source voltage detecting circuit
  • Low power consumption

Frequently asked questions

Alkaline batteries are recommended for backup as manganese type batteries could leak and cause damage which is not covered by warranty.

Set the receiver in manual mode. Dial the frequency you want to store. Select the desired channel and press the preset button.

Select the channel with the stored frequency and press the button corresponding to the stored frequency.
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