GSi TYMPSTAR 1, Service Manual

Page: 34 / 224

Limits apply for Reflex Decay and ARLT modes.
Limits apply for Reflex Decay only. ARLT not available at 678 Hz.
Limits apply for Reflex Decay only. ARLT limit is 105 dB.
Grason-Stadler
Chapter 2
Intensity levels are reduced as a function of volume at a rate of 1 dB SPL for each .1
ml. Intensity reduction begins at 1.2 ml.
Table 3A: Upper limit of HL range in Reflex Threshold Mode
PureTone Stimulus (Hz) Noise Stimulus Other Stimulus
Probe 250 500 1000 2000 4000
Tone
226 Hz 95
678 Hz 95
1000 Hz 95
226 Hz 110
678 Hz 110
1000 Hz 110
226 Hz n/a
678 Hz 110
1000 Hz 110
Probe 250
LBN HBN BBN Click EXT
(SPL) (SPL)
95 95 95 110 110
95 95 95 110 110
95 95 95 110 110
115 115 115 120 120
115 115 115 120 120
115 115 115 120 120
115 115 115 120 120
115 115 115 120 120
115 115 115 120 120
110 110 105 100
110 110 105 100
110 110 105 100
120 120 120 115
120 120 120 115
120 120 120 115
120 120 120 115
n/a 120 120 115
120 n/a 120 115
Lower limit of HL range for all stimulus signals (35 dB HL).
Hearing Level Increment:
1.0, 2.0, 5.0 dB
Hearing Level Increment Accuracy: ±0.5 dB
Hearing Level Control Linearity:
±1.0 dB
Table 3B: Upper limit of HL range in ARLT and Reflex Decay Modes
Stimulus Selections (Hz) Noise Stimulus Other Stimulus
500 1000 2000 4000 LBN HBN BBN Click EXT
(SPL) (SPL)
120 120
120 120
n/a 110
n/a 110
Tone
226Hz
1
n/a 120 120 120 115 115 115 115
678Hz
2
110 n/a 120 120 115 115 115 115
226Hz
1
n/a 105 110
3
105 100 n/a n/a n/a
678Hz
2
90 n/a 110 100 100 n/a n/a n/a
Ipsi
Pulsed
Contra
Pulsed
Contra
Steady
Contra
Ipsi
2 - 14
1
2
3