Kenwood TM-271A Service Manual page 26

Vhf fm transceiver
Hide thumbs Also See for TM-271A:
Table of Contents

Advertisement

TM-271A/271E
Item
2. Squelch
1) CH : RX low (Wide)
tight
CH : RX center (Wide/Narrow)
CH : RX high (Wide)
2) SSG output
: –115dBm (0.4µV) (Wide/Narrow)
Mod : 1kHz
Dev : ± 3.0kHz (Wide)
Dev : ± 1.5kHz (Narrow)
3. Squelch
1) CH : RX low (Wide)
open
CH : RX center (Wide/Narrow)
CH : RX high (Wide)
2) SSG output
: –125dBm (0.126µV) (Wide/Narrow)
Mod : 1kHz
Dev : ± 3.0kHz (Wide)
Dev : ± 1.5kHz (Narrow)
4. RSSI
1) CH : RX center (Wide)
writing
2) SSG output : –53dBm (501µV)
Mod : 1kHz
Dev : ± 3.0kHz
5. S-meter
1) CH : RX center (Wide)
S1
2) SSG output : –118dBm (0.28µV)
Mod : 1kHz
Dev : ± 3.0kHz
6. S-meter
1) CH : RX center (Wide)
full scale
2) SSG output : –96dBm (3.54µV)
Mod : 1kHz
Dev : ± 3.0kHz
26
ADJUSTMENT
Condition
Test equipment
SSG
Oscilloscope
AF V.M
Distortion meter
Measurement
Terminal
Parts
ANT
Encoder Adjust to open the squelch
EXT. SP knob
Push
encoder formed by the "Squelch
knob
Adjustment
Specifications/
Method
RSSI value writing is per-
open" item (center wide).
SSG output level is changed
and adjusted after SQ
adjustment.
This adjustment should not
turn the encoder.
Remarks

Hide quick links:

Advertisement

Table of Contents
loading

This manual is also suitable for:

Tm-271e

Table of Contents