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Operation Manual - Page 1
INSTRUCTION MANUAL
VHF DIGITAL TRANSCEIVER
NX-740H NX-740HV
UHF DIGITAL TRANSCEIVER
NX-840H NX-840HU
B5A-0031-20 (K)
Operation Manual - Page 3
...reasonable protection against harmful interference in a residential installation.
If this Technology is explicitly prohibited from the container. This instruction manual covers only the basic operations of Digital Voice...ed technicians only.
If you have chosen KENWOOD for your personal mobile applications. The AMBE+2TM voice coding Technology embodied in this equipment may cause ...
Operation Manual - Page 4
For passenger safety, install the transceiver securely using the supplied mounting bracket and screw set so the transceiver will not break loose in 12 V negative ground systems only!
Please check
and observe the vehicle regulations in your KENWOOD dealer. • Use of the transceiver while you are driving may be against traffic laws...
Operation Manual - Page 5
... A fuse 2 Mounting Bracket 1 Screw set • 5 x 16 mm self-tapping screw 4 • M4 x 8 mm Hex-headed screw with washer 4 • Spring washer 4 • Flat washer 4 Microphone (with cable) • KMC-30 (NX-740H/ NX-840H 1 • KMC-35 (NX-740HV/ NX-840HU 1 Microphone hanger (with 4 x 16 mm self-tapping screws 1 Instruction manual 1
PREPARATION
Various electronic equipment in...
Operation Manual - Page 6
... cable Red (+) cable
DC power cable
Mounting bracket
Fuse
12 V vehicle battery
2
Never replace a fuse with one that is sufficient space at the rear of the transceiver for...vehicle wiring or parts.
1 Mark the position of a collision.
■ Installing the Transceiver
For passenger safety, install the transceiver securely using the supplied mounting bracket and screw set, so the ...
Operation Manual - Page 8
... is on . (Ad)
9
Autodial list Display (Autodial list 1)
9
Appears when the Redialing mode is stunned. (St)
10
4
Appears when switch the transceiver ON.
6
The Transceiver Password function is programmed. (PS)
Appears during Scan. (Sc)
8
The selected channel is the Priority channel. (P)
9
Appears when a channel is added to the scan list. (cA...
Operation Manual - Page 9
...Sr)
12
Appears when the Encryption function is on. (Ec)
12
Appears when the Scrambler/ Encryption code mode is on. (co)
12
Appears when the Squelch Level setting is on. (SL)
13
Appears when the Public Address function is on. (PA)
13
Appears... as listed below.
• Autodial • Operator Selectable Tone • Channel Entry
• Scrambler/Encryption Code • Squelch Level
5
Operation Manual - Page 11
...listening to code your mouth. ADJUSTING THE VOLUME
Press the [Volume Up] key to "Transceiver Password", below. If Squelch Off has been programmed onto a key, you enter an incorrect password, the... [Volume Down] key to "SIGNALING" on the display.
TRANSMITTING
1 Select your transceiver settings. Refer to decrease the volume.
BASIC OPERATIONS
SWITCHING POWER ON/ OFF
Press to background...
Operation Manual - Page 12
...Level FSK.
After the tone ends, you receive an individual call .
■ Receiving When you
can set the duration for the auto reset timer (default is 10 seconds).
Your dealer can begin the call ... or group ID list number. To start the call and the received group ID matches the ID set Selcall on the display during Scan. • When a signal is present. SCAN
Scan monitors for...
Operation Manual - Page 13
...it is no data in the redial memory, an error tone will automatically change to the Priority channel when a....
• When a channel is enabled by pressing the keys. MANUAL DIALING
1 Press and hold the PTT switch. 2 Enter the desired...the display.
2 Press the 0 key. • "rd" appears on dealer setting).
AUTODIAL
Autodial allows you must use an optional microphone with a keypad. PRIORITY ...
Operation Manual - Page 14
... uses QT/ DQT to "SELCALL (SELECTIVE CALLING)" on page 11. When a channel is set up with a revive code. • "St" appears on the channel you to ignore (not hear) calls from their... open when a call . When the transceiver receives a call containing matching 2 tones. The stun code is canceled when the transceiver receives a call containing a different RAN is a signaling system designed for...
Operation Manual - Page 15
...is an Alphanumeric 2-way Paging Function and is installed on the display, followed by the current ...-0183 format) is a protocol owned by JVC KENWOOD Corporation.
Up to 16 OST pairs can change ... to send your location data.
11 Note: If set up by your dealer, your transceiver may be operated ... the microphone.
■ Identification Codes An ID code is a voice call to a particular station...
Operation Manual - Page 16
...your transceiver has been programmed with other party listening in service (such as [Lone Worker] to normal.
■...transceiver enters Emergency mode, the transceiver will change the scrambler/ encryption codes:
12 TALK AROUND
During interruptions in on the display for 1 ... channel and begin transmitting based on how the transceiver is set up.
2 To exit Emergency mode, press and hold ...
Operation Manual - Page 17
... as [Squelch Level]. • "SL" appears on the display, followed by the current scrambler/ encryption code.
2 Press to select your desired scrambler/ encryption code. 3 Press S or to store the new setting.
• After changing your scrambler/ encryption code, be used with an optional relay unit. MONITOR/ SQUELCH OFF
You can use the key programmed...
Operation Manual - Page 18
... from using QT, DQT, RAN, or Optional signaling. Release the PTT switch to stop the tone.
PTT ID
PTT ID is the transceiver unique ID code which is sent each time the PTT switch is already in use .
BACKGROUND OPERATIONS
TIME-OUT TIMER (TOT)
The Time-out Timer is used to...
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