Meter Display
(18-0037)
AM8a Instruction Manual
February 10, 2000
0037-S06.L_
6-8
The current measurement circuit has a 500mA slow blow fuse in series with the Tip
sense circuit. Excessive current will open the fuse and disable the current
measurements. See Section 1 for instructions on fuse replacement.
When performing current measurements, holding resistance of 10
Ω
, 330
Ω
, or 430
Ω
can be selected. With the two higher-resistance settings, the measured current may
drop after 10 minutes hold time due to heating of the line feed inductor.
6.4.6
Tone:
This selection is used to measure Level and Frequency of Tones present on the
Tip and Ring of the
LOOP
input jack. The Level is displayed in dBm and the frequency
is displayed in Hz. A measured value of "
UNDER
" in the Level display indicates the
measurement is lower than the acceptable limit. (dBm < -40). The measure display for
the tone selection is as follows:
Tone = - 10 dBm 1004 Hz
Vt-r dc = - 38.9
Содержание AM8a
Страница 1: ...MODEL AM8a PCM VF CALL ANALYZER INSTRUCTION MANUAL...
Страница 13: ...Table of Contents 18 0037 AM8a Instruction Manual February 10 2000 0037 TOC L_ xii...
Страница 17: ...Table of Contents 18 0037 AM8a Instruction Manual February 10 2000 0037 TOC L_ xvi...
Страница 35: ...Front Panel Operation 18 0037 AM8a Instruction Manual February 10 2000 0037 S01 L_ 1 18...
Страница 55: ...Emulation Parameters 18 0037 AM8a Instruction Manual February 10 2000 0037 S03 L_ 3 8...
Страница 65: ...Analysis Parameters 18 0037 AM8a Instruction Manual February 10 2000 0037 S04 L_ 4 10...
Страница 69: ...Auto and Manual Dialing 18 0037 AM8a Instruction Manual February 10 2000 0037 S05 L_ 5 4...
Страница 89: ...Meter Display 18 0037 AM8a Instruction Manual February 10 2000 0037 S06 L_ 6 20...
Страница 115: ...RS232 Entries and Printouts 18 0037 AM8a Instruction Manual February 10 2000 0037 S07 L_ 7 26...
Страница 125: ...Technical Specifications 18 0037 AM8a Instruction Manual February 10 2000 0037 S08 L_ 8 10...
Страница 151: ...Index 18 0037 AM8a Instruction Manual February 10 2000 0037 IDX L_ I 14 Y Yellow 6 14 Z ZCS 2 5 Zero Sup 2 4...