Table 1-2. Electrical Characteristics (Continued)
Characteristic
Description
Digital Voltmeter
Readout
DC accuracy
AC accuracy
AC bandwidth
Auto ranging digital display, 1, 10, 100, 300 volts full
scale. AC-dBm calibrated across 600 ohms.
±1% of full scale ±1 least significant digit
±5% of full scale
50 Hz to
10
kHz
Modulation Source
Code Synthesizer
Frequency range
Resolution
Frequency accuracy
Distortion
Signaling sequences
Tone remote access
Digital private line (DPL)
Fixed 1 kHz
Accuracy
Distortion
External input
Microphone
External Jack
Frequency range
Level
Impedance
Code synthesizer external
output level
SINAD Meter
Input level range
Sinad accuracy
5 Hz to 9.9999 kHz sinewave
0.1 Hz
±0.01%
<1%
Four fixed
1. Tone only
2. Tone with battery saver
3. Tone and voice
4. Group call
Four user programmable
Remote base access sequence as follows
Tone A for 150 msec
Tone B for 40 msec 10 dB below Tone A
Tone A continuously 30 dB below the first Tone A
burst
Codes 000 to 777 and inverted
Equal to master time base
<1%
Standard RTM 4000A microphone interface with IDC.
5 Hz to 10 kHz
7 vrms maximum
10 Kohm nominal
0-3 vrms into a 600 ohm load
0.5V to 10 Vrms
±1 dB at 12 dB Sinad
1-4
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