Installation of options – Standard Horizon Hx500s User Manual

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HX500S

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(DIMMER)

Function: Setting of the Display brightness level.
Available Values: 00 / 01 / 02 / 03
Default: 02

(AUDIO PITCH CONTROL)

Function: This control changes the speaker audio to have a high or lower
sounding pitch to assist listening in quiet or noisy environments.
Available Values: ON / OFF
Default: OFF

SOS

(STROBE)

Function: Selects the S.O.S. STROBE illumination from Continuously on to
SOS strobe.
Available Values: Continue / SOS
Default: SOS

10. INSTALLATION OF OPTIONS

10.1 FBA-25A Alakline BATTERY Tray
FBA-25A is a battery case that holds six alkaline batteries and is used with
the HX500S transceiver.

1. Slide the batteries into the FBA-25A with the Negative [–] side of the

batteries touching the spring connections inside the FBA-25A.

2. Insert the FBA-25A into the battery compartment on the back of the trans-

ceiver, then close the Battery Pack Latch until it locks in place with a
“click.”

Note: The battery indicator on the transceiver is only applicable to the FNB-
V98LI rechargeable battery. Disregard this indication when using alkaline
batteries.