46
press “ENT” key to enter Directory-DEL screen as follows.
Use the
or
key to select the number of the entry, the press “ENT” key to delete the entry.
8. TECHNICAL SPECIFICATIONS
Power supply
DC 12 V +30/-10%
Channel capability
55 international channels
1~28, 60~88 simplex & semi-duplex
Frequency Resolution
25 KHz
Method of frequency generation
synthesizer
Dimension
180(W) x 50(H) x 230(D) mm
Weight
1680 g
1. Receiver
Multi Channel Receiver
The receiver incorporates a dual conversion super-heterodyne design.
Tuning frequency range
156.300-162.025 MHz
IF frequency used:
21.4 MHz; 455 KHz
Maximum useable sensitivity
6 dBµ e.m.f. of 20 dB/SINAD
Adjacent Channel selectivity
70 dB
Inter-modulation Rejection
68 dB
Current:
0.9 A (Max Audio)
0.3 A (STBY)
Audio Frequency Response
+1, -3 dB of +6 dB/octave
De-emphasis 300-3000 Hz
Hum and Noise
40 dB
Audio output
3.5 W at less than 10% distortion
with 8 Ohm external speaker
2 W only internal speaker
2. Channel 70 Monitor General specification
Frequency
CH70 (156.525 MHz)
Sensitivity
0 dBµ e.m.f. for 20 dB/SINAD
Band width
16 KHz
First IF frequency used
17.9 MHz
Second IF frequency used
455 KHz
Adjacent Channel Selectivity
70 dB
Inter-modulation Rejection
65 dB
Mode of Reception
16K0G2B
3. Transmitter
Type of emission
16K0F3E(Voice)
13K5G2B(DSC)
Frequency range
156.025 - 157.425 MHz
Output power
25 W, 1 W into 50 Ohms
Audio Harmonic Distortion
10%
Audio Frequency Response
+/-3 dB of +6 dB/octave
Pre-emphasis 300 - 3000 Hz
Hum and Noise
-40 dB
Frequency Deviation
5 KHz max peak
Spurious Emissions (Radiated)
0.25 µW
Current
5 A (25 W)