Spare Parts; Schematic Diagram; Installation Method - Ace Instruments Alpha Bedienungsanleitung

SOUND INSULATION VALUES:
Mean
Frequency
attennuation
(HZ)
(dB)
63 17,7
125 14,0
250 19,5
500 27,8
1000 33,9
2000 35,6
4000 39,5
8000 37,5
SNR 29 dB
SNR
SNR
SNR (dB)= 29
H84 (dB) = 34 dB H = 36.3
m
M84 (dB) = 27 dB M
m
L84 (dB) = 19 dB L = 20.9
m
STORAGE: The hearing protector should be stored dark and
dry before and after use. The maximum allowable storage
temperature is +50°C
SPARE PARTS: Sealing cushions can be obtained from ACE
with article number 161386. The sealing cushions can be re-
moved by simply pulling them off and reattached by simply
clicking them on.
Earmuffs that comply with EN352-1 are of „medium size" or
„small size" or „large size". Earmuffs of „medium
size" fit the majority of wearers. Small size" and „large size"
earmuffs are designed to fit wearers for whom
„medium size" earmuffs are not suitable.
ACE_Alpha_Bedienungsanleitung_03-2022.indd 14-15 ACE_Alpha_Bedienungsanleitung_03-2022.indd 14-15
Mean-
Standard
Minus-Std
deviation
Deviation
(dB)
(dB)
1,9 15,8
2,6 11,4
1,7 17,8
2,7 25,0
3,1 30,8
3,6 32,0
4,2 35,2
3,3 34,2
= 31.1
m
= 1.6
s
H = 2.6
s
= 28.8 M = 1.7
s
L = 1.9
s
14

SCHEMATIC DIAGRAM:

Telescopic handle
adjustment
The LINE-IN
interface of the
microphone
LOAD THE BATTERY: The earmuffs are
powered by two No.7 (AAA)1.5V batte-
ries, which need to be installed before
use.

INSTALLATION METHOD:

1. Push up the battery compartment
cover.
2. Install two batteries correctly ac-
cording to the direction or polarity
of the battery sign in the ware-
house, with+as the positive electrode and-as the negative
electrode.
3. Push the battery compartment cover down.
Note: If you don't use headphones for a long time, you need to
take out the battery to prevent the battery from deteriorating
or becoming dangerous!
15
Monitor switch
and volume.
adjusting knob
29.03.2022 12:08:18 29.03.2022 12:08:18