Magnum 257

FEATURES, FUNCTIONS AND SPECIFICATIONS:
In original mode:
· Microprocessor Controlled Transceiver
· 28.000 to 29.699 MHz Frequency Range
· Max 30 Watts RF Output Power
· Variable Power - In All Modes
· FM / USB / LSB / AM
· 1 kHz / 10 kHz / 100 kHz Steps
· 5 Digit Frequency Display
· ECM Microphone with Up and Down Frequency Controls
· 5 Memory Channels - Saves Both Frequency and Mode
· Back Lit LCD Display and Front Panel Controls
· Digital S/RF Meter on LCD
· RF Gain and Microphone Gain Controls
· +/- 1 kHz Clarifier
· Noise Blanker and Automatic Noise Limiter
· Frequency Scan
· Last Channel Recall - Returns to Last Operated Frequency and Mode
· Split Frequency Offset for Repeater Use
· Receive Audio Tone Control
· MARS / CAP Compatible (Permits Required)
· 1 Year Warranty

PLEASE NOTE:
The factory will set the AM/FM carrier from 1-15 Watts. Can be regulated by using the Power Control on the front panel.
Do not readjust FM carrier to exeed 20 Watts.
Using correct measuring equipment will read 80 Watts PEP on AM and 65 - 70 Watts PEP SSB.
If you want to loosen the SSB ALC do not exeed 7.7 Amps using 2-tone test.

Please refer to the owners manual addendum. For SSB transmit the RF Power Control and Mike Gain Control must be set full CW (clock wise). To lower the RF Output power on SSB reduce the mike gain control to desired level