LG TU550, Service Manual

Page: 14 / 186

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Only for training and service purposes
2. PERFORMANCE
- 15 -
2.7 Sound Pressure Level
No Test Item Specification
1 Sending Loudness Rating (SLR) 8 ±3 dB
2 Receiving Loudness Rating (RLR)
Nor -7 ± 3 dB
Max -18 ± 3 dB
3 Side Tone Masking Rating (STMR) Min 17 dB
4 Echo Loss (EL) Min 40 dB
5 Sending Distortion (SD) Refer to Table 30.3
6 Receiving Distortion (RD) Refer to Table 30.4
7 Idle Noise-Sending (INS) Max -64 dBm0p
8 Idle Noise-Receiving (INR)
Nor Under -47 dBPA
Max Under -36 dBPA
9 Sending Loudness Rating (SLR) 8±3dB
10 Receiving Loudness Rating (RLR)
Nor -1 ±3 dB
Max -12 ±3 dB
11 Side Tone Masking Rating (STMR) Min 25 dB
12 Echo Loss (EL) Min 40 dB
13 Sending Distortion (SD) Refer to Table 30.3
14 Receiving Distortion (RD) Refer to Table 30.4
15 Idle Noise-Sending (INS) Max -55 dBm0p
16 Idle Noise-Receiving (INR)
Nor Under -45 dBPA
Max Under -40 dBPA
TDMA Noise
-. GSM : Power Level : 5
DCS/PCS : Power Level : 0
17 (Cell Power : -90 ~ -105 dBm)
-. Acoustic (Max Vol.)
MS/Headset SLR : 8 ± 3dB
MS/Headset RLR : -18 ± 3dB/-15dB
(SLR/RLR : Mid-value setting)
MS
Headset
MS and
Headset
Max -62 dBm