VX-556 - Radio MOTOROLA - Free user manual and instructions
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| Product Type | Mobile Two-Way Radio |
| Brand | Motorola (Vertex Standard) |
| Model | VX-556 |
| Category | Radio |
| Frequency Range | VHF 136-174 MHz (programmable) |
| Number of Channels | 128 |
| Channel Spacing | 12.5 / 25 kHz |
| Output Power | 50 W (selectable) |
| Modulation | FM |
| Power Supply | 13.8 V DC ±15% (negative ground) |
| Dimensions (W x H x D) | 140 x 40 x 180 mm |
| Weight | 1.2 kg |
| Operating Temperature | -20°C to +60°C |
| Antenna Connector | SO-239 (UHF female) |
| Display | 18-character alphanumeric LCD with backlight |
| Key Functions | CTCSS/DCS encode/decode, dual-channel standby, scan, busy channel lockout |
| Audio Output | 4 W internal speaker / external speaker jack |
| Maintenance | Clean with dry, lint-free cloth; keep ventilation slots free of dust |
| Safety | FCC Part 90 approved; RF exposure compliant |
| Spare Parts & Repairability | Replacement microphones, antennas, programming cables and control knobs available |
| General Information | Designed for commercial and public safety use |
Frequently Asked Questions - VX-556 MOTOROLA
How do I program channels on the Motorola VX-556?
Use the CE210 programming cable and the Vertex Standard programming software. Connect the radio to a PC, launch the software, select the VX-556 model, and adapt frequency, CTCSS/DCS tones, and channel options. Then write the data to the radio.
Can I set a CTCSS tone for a specific channel?
Yes, during programming, each channel can have a distinct CTCSS or DCS tone. On the radio, press the FUNC key and navigate to the channel setting, or use the software for batch configuration.
How do I adjust the squelch level?
Use the Squelch menu on the front panel. Press the MENU key, then select the Squelch option. Choose a level from 0 to 10; higher number means stronger signal required to break squelch.
Does the VX-556 support scanning?
Yes, it supports dual-channel priority scan. To start scanning, select a channel and press the SCAN button. The radio will scan through channels programmed as scan list members.
What is the power output and typical range?
The transmitter output power is 50 watts (high) and 5 watts (low). Under ideal conditions, the range is up to 15 km in open areas, though buildings and terrain will reduce it.
How do I install the VX-556 in my vehicle?
Use the supplied mounting bracket to attach the radio under the dashboard or on a console. Connect the DC power lead directly to the battery using the fused red wire to positive and black to negative. Connect the antenna to the SO-239 connector.
Can I connect an external speaker?
Yes, there is a 4-pin accessory jack on the rear panel. Connect an external 4-ohm speaker to the designated pins for better audio when the radio is mounted remotely.
How do I maintain the radio for long life?
Keep the radio clean and dry. Use a slightly damp cloth to clean the front panel. Avoid solvents. Periodically inspect the antenna and feedline for damage. Have a qualified technician perform calibration checks annually.
Is the VX-556 compatible with other Motorola radios?
The VX-556 operates in analog FM and can communicate with any analog radio on the same frequency and tone. Digital modes are not supported, so interoperability is limited to analog compatibility.
What accessories are available for the VX-556?
Available accessories include the MH-45B hand microphone, CA-232 programming cable, replacement antennas, external speakers, and DC power cables. These can be ordered from Motorola or authorized dealers.
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USER MANUAL VX-556 MOTOROLA
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Product information
Brand : MOTOROLA
Model : VX-556
Category : Radio