Hp8920 Encoder; Hp8920 Rx Test Window; Table 3-1. Initial Equipment Control Settings - Motorola MINITOR VI Basic Service Manual

Receive Performance Check: Tone Sensitivity
3.2.1

HP8920 Encoder

Set HP8920 Encoder as below:
• SIGNALING ENCODER (AF GENERATOR 2)
• Symbol Sequence:12
• Symbol
• Definition
Seq. Num. ON Time (ms)
1 1000
2 3000
3 33.0
NOTE: Symbol sequence: sequence of two tones of QC2.
On Time: transmission time of tone
Freq: Tone frequency.
Above setting means that HP8920 transmits 288.5 Hz for 1 second and 2468.2 Hz for 3 seconds in
a row.
3.2.2

HP8920 RX Test Window

Go to HP8920 RX test window:
• RX TEST
1. Set RF Gen Freq as pager RX frequency.
2. Set AF Gen2 TO 1.5 kHz for 12.5 kHz Channel Spacing, 3 kHz for 25 kHz Channel Spacing.
3. Push 'Send' in AFGen2 Freq to send QC2 tones to pager.
4. If pager decoded QC2 signal, it will sound an Alert tone.

Table 3-1. Initial Equipment Control Settings

OFF Time (ms)
0.0
0.0
0.0
RF Gen Freq.
AFGen1 Freq.
AFGen2 Freq.
Filter 1
Amplitude
AFGen1 To FM
AFGen2 To FM
Filter 2
Atten Hold
Ext Load R
Output Port
Sym Freq. (Hz)
0 0.0
1 288.5
2 2468.2
476.025 MHz
1.000 kHz
Send:
Stop: Hz
50Hz HPF
-107 dBm
Off kHz
1.5 kHz
15 kHz LPF
ON/ OFF
8.00 Ω
RF Out/ Dupl
Amptd (%)
100.0
100.0
100.0
3-3