Rain or Moisture. BATTERY INSTALLATION Your uh047sx unit uses the included NiMH battery pack for power. The unit can be powered with optional 4 AAA ALKALINE batteries. If you don't use the uh047sx for long periods, Uniden recommend removing the batteries.
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1. Plug the AC adaptor into the rear of the charge cradle and into the mains power. 2. Place the uh047sx into the charge cradle. The charge light will come on to indicate the unit is charging. 3. Before operating the uh047sx, charge the battery pack for 16 hours.
16 Hrs. BACK LIGHT The uh047sx has an automatic display back light which remains on for 10 seconds after a key press (all keys except PTT key). The back light will work even if the keypad is locked but will not work during low battery alert mode.
/call key for 1.5 seconds to enter keylock on mode. 2. Press /call key for 1.5 seconds while in Keylock mode to exit the Keylock mode. While in Keylock on mode, the uh047sx can still receive and transmit. /call key while turning on /call key while turning on key while turning on the radio.
Emergency Calls. 3. Press ch/hi/lo key momentarily to exit channel select mode. If no key is pressed within 5 sec the uh047sx will exit from the channel select mode. TO TRANSMIT AND RECEIVE The uh047sx uses the 40 UHF-CB Channels (Channels 22 and 23 are for telemetry and telecommand applications.
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AUTOMATIC SQUELCH FEATURE The uh047sx is equipped with an Automatic Squelch System which shuts off weak transmissions and unwanted noise. MONITOR This feature enables users to listen for weak signals on the current channel at the press of a key.
REPLY DELAY While scanning, the uh047sx stops at a busy channel and receives a transmission. When the received signal is over, the unit will wait for 2 seconds for the return of the signal, otherwise, the radio resumes scanning. TO OPERATE IN DUPLEX MODE (REPEATERS) The Duplex function enables you to access local repeater stations.
CTCSS & DCS (Continuous Tone Coded Squelch System) CTCSS is a feature that allows a group to talk to each other without hearing other users on the same channel. 1. Press select/ key momentarily to enter CTCSS mode. The current selected CTCSS tone flashes. 2.
The ‘TX’ icon blinks when the voice level is possible to transmit at the current selected VOX sensitivity level. TRANSMITTING A CALL TONE Your uh047sx radio is equipped with 5 selectable call tones that will be transmitted when the /call key is pressed momentarily.
BCL (Busy Channel Lockout) ON/OFF BCL is used when CTCSS or DCS is selected to prevent transmission when the uh047sx detects a transmission from another unit using the same CTCSS or DCS code. To set BCL ON/OFF: 1.
UHF CB CHANNELS & FREQUENCIES Please follow these guidelines for channel use in Australia: • Channels 05 and 35 are Emergency Channels. • Channel 11 is a Calling Channel. • Channels 22 and 23 are for telemetry and telecommand applications and TX is inhibited on these channels.
Elements of Warranty: Uniden warrants to the original retail owner for the duration of this warranty, its uh047sx UHF CB Transceiver Radio (hereinafter referred to as the Product) to be free from defects in materials and craftsmanship with only the limitations or exclusions set out below.