USERS MANUAL SC- 980, SC- 980A UHF TRUNKING / CONVENTIONAL TRANSCEIVER SC- 780 VHF TRUNKING / CONVENTIONAL TRANSCEIVER Page 1/12
- FCC NOTICE SAFETY INFORMATION This radio is restricted to occupational use, work related operations only where the radio operator must have the knowledge to control its RF exposure conditions. When the Push-to-Talk (PTT) button is pushed, the transceiver sends out radio frequency (RF) signals. In August 1996, the Federal Communications Commission adopted RF exposure guidelines with safety levels for hand-held wireless devices. The device is authorized to operate at a duty factor not to exceed 50%.
User’s Manual – Part II CAUTION TO USERS The antenna(s) used for this transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This device is approved with emissions having a source-based timeaveraging duty factor not exceeding 50%. NOTE: If you are not sure of the rated power of your radio, contact your representative or dealer and supply the radio model number found on the radio model label.
CONTENTS GENERAL INFORMATION................................................................................ 4 SUPPLIED ACCESSORIES ............................................................................................. 5 PREPARATION.................................................................................................. 5 INSTALLING ................................................................................................................. 6 CONTROL AND CONNECTIONS....................
GENERAL INFORMATION The SC-980 series and SC-780 transceiver is a combination conventional and trunking radio. As the trunking radio, the radio is capable of operating on up to 32 trunking system, and it can operate on E.F.Johnson LTR ® trunking protocol. LTR® is a registered trademark of E. F. Johnson Company. As the conventional radio, the radio is capable of operating on up to 250 channels. Simplex (talk around) and semi-duplex operation are allowed on any system.
SUPPLIED ACCESSORIES The following accessories Microphone (with cable) ………………………1 Microphone hanger ………………………1 DC power cable (with Fuse) ………………………1 (15A Fuse X2) Mounting bracket (with screw) ………………………1 (screw set) Instruction manual ………………………1 PREPARATION POWER CABLE CONNECTION CAUTION The transceiver operates in 12 V negative ground systems only! Check the battery polarity and voltage of the vehicle before installing the transceiver.
INSTALLING WARNING For passenger safety, install the transceiver securely using the supplied mounting bracket and screw set so the transceiver will not break loose in the event of a collision. 1. Mark the position of the holes in the dash by using the mounting bracket as a template. Drill the holes, then attach the mounting bracket using the supplied the screws.
CONTROL AND CONNECTIONS POWER SWITCH / VOLUME CONTROL Push the transceiver on and off, and adjusts the volume. SYSTEM/CONTROL In the conventional and LTR® trunking system, it selects Systems. TX/BUSY LED INDICATOR Lights red during transmission, green during reception or when busy. LCD (Liquid Crystal Display) Indicates Monitor mode, System and Group number, alphanumeric description, in-range, scan memory, telephone interconnect, phone numbers, and key lock.
H (HOME) KEY In the conventional and LTR® trunking system, it returns the radio working system to the programmed HOME system and group. S (SCAN) KEY Pressing this key for longer than 2 seconds changes the radio operation between the conventional / LTR® trunking system. In the conventional and LTR® trunking system, the S (scan) key initiates scanning and is used for storing channels in scan memory.
PROGRAMMABLE KEY FUNCTIONS The following key functions can be programmed by your dealer. Each function can be programmed to any key. Refer to your dealer for programming and operating instructions.
GPS ANTENNA JACK Interface for connecting GPS Antenna (need in optional GPS unit). BASIC OPERATION 1. Push the power switch / volume control clockwise to switch the transceiver on. Push the Power switch / volume control counterclockwise to switch the transceiver off. 2. Rotate the power switch / volume control to adjust the volume. Clockwise increase the volume. Counter clockwise decrease the volume. LTR OPERATION Push the key, or rotate System control to select the desired system channel and talk group.
EMERGENCY When Ext Emergency Switch is pushed more than 2sec, the DTMF emergency signal is automatically transmitted. Note: An emergency functions are programmed by your dealer. To exit emergency mode, press and hold Ext Emergency Switch again or turn off the power switch. OPTION (VOICE SCRAMBLER) When the programmed key is pushed, the Option function can be used. Function on : “▼” appears on the display. Function off : “▼” disappears on the display.
VOICE MEMORY The voice memory function allows you to record receiving message. RECORD Press and hold the key programmed as Voice memory for 2seconds. (The recording storage area retains 20seconds.) PLAY Press and hold the key programmed as Voice memory less than 2seconds.
