Adjusting The Squelch; Transmitting; Monitor; Function Select Mode - Kenwood TH-D74A Guide De L'utilisateur

BASIC OPERATIONS

ADJUSTING THE SQUELCH

Squelch is used to mute the speaker when no signals are
present. With the squelch level set correctly, you will hear
sound only while actually receiving a signal. The higher the
squelch level selected, the stronger the signals must be in
order to hear them. You can set the squelch level separately
for Bands A and B.
1 Press [F], [MONI].
The squelch level appears on the display.
2 Press [ ]/[ ] or rotate the [ENC] control of your
selected band, when no signals are present, and select
the squelch level at which the background noise is just
eliminated.
3 Press [ENT].
The squelch level is set.

TRANSMITTING

1 Select your desired band and frequency/channel.
2 Press and hold [PTT], and speak into the microphone to
transmit.
3 When you fi nish speaking, release the [PTT].
Selecting an Output Power
Selecting a lower transmit power is the best way to reduce
battery consumption, if communication is still reliable.
Press [F], [MENU] to select high (H), medium (M), low (L), or
economic low (EL) power.
H
M
Battery Pack
KNB-75L
L
EL
Note:
◆ You can program different power settings for bands A and B.
◆ You can not change the output power in transmitting.
◆ You can not set the output power in each frequency band.
◆ Refer to the details instruction manual (User Manual) when using
with an external power supply or Alkaline batteries.

MONITOR

When you are receiving while the squelch function is ON,
weak signals may become intermittent.
1 Press and hold [MONI].
• The speaker is unmuted and you can monitor the signals.
14
Microphone
Approx. 5 W
Approx. 2 W
Approx. 0.5 W
Approx. 0.05 W

FUNCTION SELECT MODE

Press [F] to enter Function Select mode. Press [F] again to
return to the previous screen.
Pressing each key in the Function Select Mode performs the
operation of the second function assigned to each key.
The function of each key may differ depending on the mode
when [F] is pressed (refer to the following table).
Key Second function
[MARK] (0) My position
[VFO] (1) Memory shift
[MR] (2) Memory channel registration
[CALL] (3) Call channel registration
[MSG] (4) APRS message creation
[LIST] (5) APRS/ KISS mode switching
[BCN] (6) Object packet
[REV] (7) Shift
[TONE] (8) Tone frequency
[PF1] (9) Attenuator
[MHz] (*) Fine mode
[PF2] (#) Frequency Step
[MODE] Digital function menu
[MENU] Transmission power
[A/B] Dual or Single band switching
[F] Function select mode end
[MONI] Squelch setting
Note:
◆ The tone frequency changes to the following setting items
depending on the conditions of this transceiver.
Tone OFF: Invalid
Tone ON: Tone frequency
CTCSS ON: CTCSS frequency
DCS ON: DCS frequency
Cross Tone ON: Cross tone combination
Remarks
Built-in GPS is On.
Only in Memory
mode or Call mode
Only in APRS mode
Only in DV/DR
mode