Kenwood TK-2170 User Manual

36
MONITOR/ SQUELCH OFF
You can use the key programmed as Monitor/ Squelch Off to
listen to weak signals that you cannot hear during normal
operation and to adjust the volume when no signals are
present on your selected channel.
• The icon appears while Monitor/ Squelch Off is activated.
Your dealer can program a key with one of 4 functions:
• Monitor: Press one time to deactivate QT, DQT, DTMF,
5-tone, or Fleetsync Signaling. Press again to return to
normal operation.
• Monitor Momentary: Press and hold to deactivate QT,
DQT, DTMF, 5-tone, or Fleetsync Signaling. Release the
key to return to normal operation.
• Squelch Off: Press one time to hear background noise.
Press again to return to normal operation.
• Squelch Off Momentary: Press and hold to hear
background noise. Release the key to return to normal
operation.
■ SQUELCH LEVEL
To adjust the squelch level:
1 Press the key programmed as Squelch Level.
• The icon and the current squelch level appear.
2 Press the <B and C> keys or rotate the selector to
increase (tighten) or decrease (open) the squelch
level.
3 Press the Side 1, S, or
key to store the new setting
and exit the squelch level adjustment.

Kenwood TK-2170 Specifications

General Specifications

frequency range	136~174MHz
number of channels	Max. 128 per radio
channel spacing	Wide: 25, 30kHz; Narrow: 12.5, 15kHz
battery voltage	7.5V DC ± 20%
antenna impedance	50Ω
channel frequency spread	38MHz

Battery

battery life with KNB-24L (1400mAh)	9 hours
battery life with KNB-25A (1200mAh)	8 hours
battery life with KNB-26N (2000mAh)	12 hours
battery life with KNB-35L (1950mAh)	11 hours

Operating Environment

operating temperature range	–22°F~+140°F (–30°C~+60°C)
frequency stability	± 0.00025% (–22°F~+140°F)

Receiver

sensitivity (12dB SINAD) Wide	0.25µV
sensitivity (12dB SINAD) Narrow	0.28µV
selectivity Wide	70dB
selectivity Narrow	65dB
intermodulation distortion Wide	65dB
intermodulation distortion Narrow	60dB
spurious response	65dB
audio output (8Ω impedance)	500mW with less than 5% distortion

Transmitter

RF power output HI	5W
RF power output LO	1W
spurious response	70dB
modulation Wide	16K0F3E
modulation Narrow	11K0F3E
FM hum & noise Wide	45dB
FM hum & noise Narrow	43dB
audio distortion W/N	Less than 5%

Weight and Dimensions

weight with battery, antenna, and beltclip	12.0 oz. (340 g)
dimensions with KNB-24L or 35L battery	56 x 109 x 31.7 mm
dimensions with KNB-25A or 26N battery	56 x 109 x 37.9 mm